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compositionComposition:VALACICLOVIR-500MG
prescription
Prescription Medicine
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VALAMAC 500MG TABLET is used to treat viral infections. It plays a vital role in treating cold sores (an inflamed blister in or near the mouth caused by infection with the herpes simplex virus), genital herpes (a common sexually transmitted infection marked by genital pain and sores), and herpes zoster (a viral infection that causes a painful rash). It contains valacyclovir, which prevents the multiplication of viruses in human cells and slowly leading to the viral infection clearing up. Sometimes, you may experience side effects such as headaches, dizziness, nausea or vomiting, diarrhoea, and skin sensitivity to sunlight. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

VALACICLOVIR-500MG

Manufacturer/Marketer :

Macleods Pharmaceuticals Ltd

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About VALAMAC 500MG TABLET

VALACICLOVIR is an oral antiviral prescription medicine used to treat viral infections caused by the herpes family of viruses. It is primarily prescribed to manage shingles, cold sores around the mouth, and genital herpes outbreaks. By targeting the virus directly, it helps clear up painful blisters and prevents the infection from spreading further.

To get the best results, you must take this medication consistently at evenly spaced intervals as directed by your doctor. You can take VALACICLOVIR with or without food, though taking it with a meal may help prevent mild stomach upset. Making simple lifestyle adjustments, such as drinking plenty of fluids and keeping the affected areas clean, will support your body's recovery.

Most people tolerate this medication well, but you may experience common side effects like mild headaches or nausea. If you notice more serious signs, such as confusion, extreme drowsiness, or a significant decrease in urination, you should stop taking it and consult your doctor immediately.

Before starting this medicine, tell your doctor if you have kidney disease, a weakened immune system, or any history of severe drug allergies. Do not take this if you have had an allergic reaction to this medicine or similar antiviral treatments in the past.

This medication can interact with other drugs that strain your kidneys, and mixing it with heavy alcohol use can increase drowsiness or dehydration. If you are pregnant, planning to become pregnant, breastfeeding, or are an elderly individual, consult your healthcare provider to ensure this treatment is safe for your specific situation.

Uses of VALAMAC 500MG TABLET

VALACICLOVIR is used to treat viral infections caused by the herpes family of viruses. The detailed uses of VALACICLOVIR are as follows:

  • Shingles (Herpes Zoster): VALACICLOVIR treats shingles by stopping the virus from multiplying, which speeds up the healing of painful rashes and lowers the risk of prolonged nerve pain.
  • Cold Sores (Herpes Labialis): It accelerates the healing process of painful blisters on the lips and surrounding skin, especially when taken at the first sign of tingling or burning.
  • Genital Herpes: VALACICLOVIR is prescribed to treat active genital outbreaks and can also be used as a daily suppressive therapy to significantly reduce the frequency of future flare-ups.
  • Chickenpox: In certain cases, healthcare providers use this medication to treat chickenpox in children and adolescents, helping to reduce the severity and duration of the fever and rash.
     

Key Benefits

VALACICLOVIR helps manage infections caused by herpes viruses by stopping the virus from multiplying and spreading within the body. When started promptly and taken as prescribed, it can reduce the severity and duration of symptoms, support faster healing, and lower the risk of certain complications. This medicine offers several key benefits:

  • Faster Recovery from Outbreaks: One of the main benefits of VALACICLOVIR is its ability to significantly shorten the lifespan of viral blisters. It stops the virus from replicating, allowing your skin to heal and clear up much faster than it would without treatment.
  • Effective Pain and Discomfort Relief: By halting viral activity quickly, this medication provides rapid relief from the intense burning, itching, and stinging sensations associated with shingles, cold sores, and genital herpes.
  • Reduced Risk of Complications: When taken promptly for shingles, VALACICLOVIR helps protect your nerve fibres. This reduces the likelihood of developing postherpetic neuralgia, a type of severe, long-lasting nerve pain that can persist after the rash clears.
  • Lower Risk of Transmission: For individuals managing genital herpes, taking this medicine daily as a suppressive therapy lowers the amount of virus active on the skin, which helps reduce the chance of passing the virus to intimate partners.
     
Side effects of Valamac 500mg Tablet
Overcome Medication-Induced Nausea: A 9-Step Plan
  • Inform your doctor about the nausea and discuss possible alternatives to the medication or adjustments to the dosage.
  • Divide your daily food intake into smaller, more frequent meals to reduce nausea.
  • Opt for bland, easily digestible foods like crackers, toast, plain rice, bananas, and applesauce.
  • Avoid certain foods that can trigger nausea, such as fatty, greasy, spicy, and smelly foods.
  • Drink plenty of fluids, such as water, clear broth, or electrolyte-rich beverages like coconut water or sports drinks.
  • Use ginger (tea, ale, or candies) to help relieve nausea.
  • Get adequate rest and also avoid strenuous activities that can worsen nausea.
  • Talk to your doctor about taking anti-nausea medication if your nausea is severe.
  • Record when your nausea occurs, what triggers it, and what provides relief to help you identify patterns and manage your symptoms more effectively.
Here are the steps to cope with constipation as a side effect of medication:
  • Inform your doctor about your constipation symptoms. They may adjust your medication or advise alternative treatments.
  • Stay hydrated by drinking sufficient of water (at least 8-10 glasses a day) to help soften stool and promote bowel movements.
  • Increase fibre intake by eating foods high in fibre, such as fruits, whole grains, vegetables and legumes, to help bulk up the stool.
  • Establish a bowel routine by trying to go to the bathroom at the same time each day to train your bowels.
  • Engaging in regular exercise, like walking or yoga, can support in bowel movement stimulation.
  • Consult your doctor if constipation persists, and discuss alternative treatments or adjustments to your medication.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
Managing depression as a side effect of medication: a comprehensive guide.
  • Remember, managing depression as a side effect of medication requires patience, persistence, and collaboration with your healthcare team.
  • Tell your doctor about your depression symptoms to adjust medication.
  • Consult a therapist or counsel for emotional support.
  • Engage in regular exercise to release endorphins (neurotransmitters).
  • Practice stress-reducing techniques like meditation and deep breathing.
  • Build a support network of friends, family, and support groups.
  • Establish a consistent sleep schedule.
  • Eat a nutritious diet rich in fruits, vegetables, and whole grains.
  • Limit or avoid alcohol and recreational substances.
  • Keep a mood journal to track symptoms and progress.
  • Avoid taking raw fruits, nuts and vegetables.
  • Do not share your personal things with others like toothbrushes.
  • Clean the wounds and cuts using soap and water.
  • Wash your hands thoroughly and frequently and maintain hygiene.
  • Get a good quality of sleep.
Here are the precise steps to cope with diarrhoea caused by medication usage:
  • Inform Your Doctor: Notify your doctor immediately about your diarrhoea symptoms. This allows them to adjust your medication or provide guidance on managing side effects.
  • Stay Hydrated: Drink plenty of fluids to replace lost water and electrolytes. Choose water, clear broth, and electrolyte-rich drinks. Avoid carbonated or caffeinated beverages to effectively rehydrate your body.
  • Follow a Bland Diet: Eat easy-to-digest foods to help firm up your stool and settle your stomach. Try incorporating bananas, rice, applesauce, toast, plain crackers, and boiled vegetables into your diet.
  • Avoid Trigger Foods: Steer clear of foods that can worsen diarrhoea, such as spicy, fatty, or greasy foods, high-fibre foods, and dairy products (especially if you're lactose intolerant).
  • Practice Good Hygiene: Maintain good hygiene to prevent the spread of infection. To stay healthy, wash your hands frequently, clean and disinfect surfaces regularly, and avoid exchanging personal belongings with others.
  • Take Anti-Diarrheal Medications: If your doctor advises, anti-diarrheal medications such as loperamide might help manage diarrhoea symptoms. Always follow your doctor's directions.
  • Keep track of your diarrhoea symptoms. If they don't get better or worse or are accompanied by severe stomach pain, blood, or dehydration signs (like extreme thirst or dark urine), seek medical help.
  • Avoid driving or operating machinery or activities that require high focus until you know how the medication affects you.
  • Maintain a fixed sleeping schedule, create a relaxing bedtime routine and ensure your sleeping space is comfortable to maximize your sleep quality.
  • Limit alcohol and caffeine as these may worsen drowsiness and disturb sleep patterns.
  • Drink plenty of water as it helps with alertness and keeps you hydrated and for overall well-being.
  • Moderate physical activity can improve energy levels, but avoid intense workouts right before bedtime.

Directions for Use

Swallow the tablet whole with a full glass of water. Do not chew, crush, or break the tablet, as this can affect how the medicine is absorbed into your body. You can take this medication with or without food, but taking it alongside a light meal can help protect your stomach if you are prone to nausea.

For the best results, start taking VALACICLOVIR at the very first sign of an outbreak, such as tingling, itching, or burning, even before blisters appear. Always complete the entire course of treatment prescribed by your doctor, even if your symptoms disappear after a few days. Stopping the medicine too early may allow the infection to return.
 

How VALAMAC 500MG TABLET Works

VALACICLOVIR is an antiviral medication known as a prodrug. After you swallow the tablet, your body rapidly converts it into its active antiviral form. This active compound specifically targets and penetrates the cells infected by the herpes virus. Once inside the infected cells, the active medicine interferes with the virus's DNA polymerase, which is the essential tool the virus uses to copy its genetic material. By blocking this copying process, the medicine prevents the virus from multiplying and spreading to surrounding healthy cells. This gives your body's natural immune system a vital advantage, allowing it to contain the infection and heal existing sores more efficiently.
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Alcohol

Caution

No interaction was found. However, it is advisable not to take or limit alcohol as a precautionary measure.

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Pregnancy

Caution

Please consult the doctor. There are no adequate and well-controlled studies on pregnant women. Your doctor will prescribe only if the benefits outweigh the risks.

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Breast Feeding

Caution

Consult your doctor; there is no substantial research yet on using VALAMAC 500MG TABLET in breastfeeding/nursing mothers.

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Driving

Unsafe

VALAMAC 500MG TABLET can affect alertness and coordination. So, operating machinery which requires concentration should be avoided.

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Liver

Caution

VALAMAC 500MG TABLET should be taken with caution, especially if you have a history of Liver diseases/conditions. The dose may have to be adjusted by your doctor.

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Kidney

Caution

VALAMAC 500MG TABLET should be taken with caution, especially if you have a history of Kidney diseases/conditions. The dose may have to be adjusted by your doctor.

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Children

Caution

VALAMAC 500MG TABLET should not be given to children below the age of 12 years.

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Heart

Caution

Exercise caution before using VALAMAC 500MG TABLET in case of heart problems. Please consult your doctor if you have any concerns.

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Geriatrics

Caution

VALAMAC 500MG TABLET should be used under extreme caution in geriatric patients as it may cause central nervous system adverse effects. Please consult your physician.

What if I have taken an overdose of VALAMAC 500MG TABLET

Do not take more than the prescribed dose of VALAMAC 500MG TABLET as it may cause overdose. The symptoms of overdose include extreme tiredness, change in the amount of urine, loss of consciousness, seizures (fits) and mental/mood changes. If you suspect you have taken overdose or notice signs of overdose, please consult a doctor immediately.

Diet & Lifestyle Advise

  • Increase fluid intake: Drink a generous amount of water throughout the day. This helps your kidneys process and clear the medication safely, reducing the risk of kidney strain.
  • Prioritise immune-boosting nutrition: Focus on a diet rich in vitamins C and E, zinc, and antioxidants by eating fresh vegetables, fruits, and lean proteins to support your body's natural defences.
  • Manage daily stress: High stress is a major trigger for herpes and shingles outbreaks. Practice relaxation techniques like progressive muscle relaxation, meditation, or gentle yoga.
  • Keep the rash area clean and dry: Wash any active blisters gently with mild soap and warm water. Avoid picking or scratching the sores, as this can cause secondary bacterial infections or scarring.
  • Wear loose-fitting clothing: If you have shingles or a genital outbreak, wear loose cotton clothing to minimise friction and irritation against sensitive skin.
     
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How Soon It Starts Working

The time required for VALAMAC 500MG TABLET to start to work: The time required for VALAMAC 500MG TABLET to show its action is unknown. The time for which the effects of VALAMAC 500MG TABLET last: The duration of action for VALAMAC 500MG TABLET is unknown.

What if you forget to take VALAMAC 500MG TABLET

If you miss a dose of VALAMAC 500MG TABLET, take it as soon as you remember. However, if it is almost time for the next dose, skip the missed one and continue with your regular schedule. Do not take a double dose to make up for the missed one.

Storage

•Store VALACICLOVIR tablets at room temperature, strictly between 15°C and 30°C (59°F to 86°F). •Keep the tablets inside their original packaging to protect them from light and moisture.

Drug Warnings

  • Initiate treatment early: Start taking VALACICLOVIR as soon as possible, ideally within 24 hours of feeling the first tingling sensation for herpes, or within 72 hours of seeing a shingles rash.
  • Avoid physical contact during outbreaks: To prevent spreading the virus to others, avoid kissing when cold sores are present and refrain from sexual contact when managing active genital herpes symptoms.
  • Continue using protection: Daily suppressive therapy reduces but does not completely eliminate the risk of transmitting genital herpes; always use barrier protection like latex condoms.
  • Monitor kidney function: If you are over 65 or have pre-existing kidney issues, ensure your doctor performs regular kidney health checks while you are taking this medication.
  • Watch for neurological changes: Be alert for signs of confusion, dizziness, or speech changes, especially if you have reduced kidney function, and contact your doctor immediately if these occur.
  • Do not share your prescription: Even if someone has identical symptoms, this antiviral is formulated for your specific medical needs and should never be shared.

 

Drug-Drug Interactions

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Drug-Drug Interactions

  • Kidney-damaging medications: Taking VALACICLOVIR alongside other drugs that strain the kidneys, such as NSAID pain relievers (like ibuprofen or naproxen) or certain transplant medications (like cyclosporine), can significantly increase the risk of kidney damage.
  • Kidney clearance reducers: Medications like probenecid or cimetidine can block your kidneys from filtering out VALACICLOVIR, causing it to build up in your bloodstream and increase your risk of severe side effects.

Drug-Disease Interactions

  • Kidney disease: If your kidneys are already weakened, your body cannot eliminate this drug efficiently. This can cause toxic build-ups, requiring your doctor to prescribe a lower, more spaced-out dosage.
  • Weakened immune systems (HIV/AIDS or bone marrow transplants): Patients with severe immune suppression have a higher risk of developing a rare, life-threatening blood cell disorder when taking this antiviral. Your doctor will weigh the risks carefully before prescribing.
     
valacyclovirCidofovir
Critical
valacyclovirIopromide
Severe

Drug-Drug Interactions

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valacyclovirCidofovir
Critical
How does the drug interact with Valamac 500mg Tablet:
Taking Cidofovir with Valaciclovir can increase the risk of kidney problems.

How to manage the interaction:
Taking Valamac 500mg Tablet with Cidofovir is not recommended as it can lead to an interaction, but can be taken together if prescribed by a doctor. However, if you experience nausea, vomiting, loss of hunger, increased or decreased urination, sudden weight gain or loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, or an irregular heart rhythm, consult a doctor. Do not discontinue any medications without consulting a doctor.
valacyclovirIopromide
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of iopromide with Valamac 500mg Tablet may increase the risk of side effects.

How to manage the interaction:
Although taking iopromide and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirEverolimus
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of everolimus with Valamac 500mg Tablet may increase the risk of kidney problems.

How to manage the interaction:
Although taking everolimus and Valamac 500mg Tablet together can result in an interaction, it can be taken if a doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirIodamide
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of iodamide with Valamac 500mg Tablet may increase the effect of iodamide.

How to manage the interaction:
Although taking iodamide and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirMetrizamide
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of metrizamide with Valamac 500mg Tablet may increase the risk of side effects.

How to manage the interaction:
Although taking metrizamide and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirIoversol
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of ioversol with Valamac 500mg Tablet may increase the risk of side effects.

How to manage the interaction:
Although taking ioversol and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirTenofovir alafenamide
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of tenofovir alafenamide with Valamac 500mg Tablet may increase the risk of kidney problems.

How to manage the interaction:
Although taking tenofovir alafenamide and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirIoxaglic acid
Severe
How does the drug interact with Valamac 500mg Tablet:
The combined use of ioxaglic acid and Valamac 500mg Tablet can increase the risk of side effects.

How to manage the interaction:
Taking Valamac 500mg Tablet with Ioxaglic acid together can possibly result in an interaction, but it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased or decreased urination, sudden weight gain or weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not discontinue any medications without consulting your doctor.
valacyclovirSirolimus
Severe
How does the drug interact with Valamac 500mg Tablet:
Coadministration of Sirolimus with Valamac 500mg Tablet may increase the risk or severity of kidney problems.

How to manage the interaction:
Although taking Sirolimus and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if a doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.
valacyclovirIodixanol
Severe
How does the drug interact with Valamac 500mg Tablet:
Co-administration of iodixanol with Valamac 500mg Tablet may increase the effect of iodixanol.

How to manage the interaction:
Although taking iodixanol and Valamac 500mg Tablet together can possibly result in an interaction, it can be taken if your doctor has prescribed it. However, consult the doctor immediately if you experience symptoms such as nausea, vomiting, loss of appetite, increased urination, weight loss, swelling, shortness of breath, muscle cramps, tiredness, weakness, dizziness, confusion, and irregular heart rhythm. Do not stop using any medications without consulting a doctor.

Drug-Food Interactions

verifiedApollotooltip
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTIVIRALS]

FAQs

VALAMAC 500MG TABLET is used to treat viral infections. It plays a vital role in treating cold sores (an inflamed blister in or near the mouth caused by infection with the herpes simplex virus), genital herpes (a common sexually transmitted infection marked by genital pain and sores), and herpes zoster (a viral infection that causes a painful rash).
VALAMAC 500MG TABLET contains valacyclovir, which is an antiviral medication. VALAMAC 500MG TABLET is used in treating viral infection by preventing the multiplication of viruses in human cells. As a result, this stops the proliferation of viruses and produces new viruses, slowly leading to the viral infection clearing up.
No, VALAMAC 500MG TABLET should not be taken if you have HIV (Human Immuno Deficiency Syndrome). It can increase the risk of Thrombotic Thrombocytopenic Purpura (blood clot formation in small blood vessels).
If you miss a dose of VALAMAC 500MG TABLET, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take two doses at the same time to make up for a missed dose. Consult your doctor or pharmacist if you frequently miss doses.
No, VALAMAC 500MG TABLET does not cure herpes infections such as genital herpes or shingles. It works by preventing the virus from multiplying, which helps reduce symptoms, shorten the duration of outbreaks, relieve pain and itching, and reduce the formation of new sores. However, the virus remains dormant in the body and may reactivate in the future. Consult your doctor for advice on long-term management.
Do not stop taking VALAMAC 500MG TABLET without talking to your doctor. If you suddenly stop taking VALAMAC 500MG TABLET, you may experience confusion, fever, mental state changes, or severe muscle stiffness. Your doctor will probably decrease your dose gradually depending upon your disease condition.
No, VALAMAC 500MG TABLET should be taken in the dose and duration as advised by the doctor. If you take it in more than the recommended dose, it might cause unpleasant side effects. If you think your symptoms are not improving, please consult your doctor.
VALAMAC 500MG TABLET should be taken for as long as it has been prescribed by the doctor. The doctor will determine the duration of the treatment based on your condition.
No, VALAMAC 500MG TABLET is not an antibiotic or a steroid. It contains valacyclovir, an antiviral agent.
VALAMAC 500MG TABLET can significantly reduce the risk of transmitting genital herpes to others, especially when taken regularly as prescribed. However, it does not completely eliminate the risk because viral shedding can occur even when no symptoms are present. To further reduce transmission, practice safer sex by using condoms and avoid sexual activity during active outbreaks.
VALAMAC 500MG TABLET be given to children for chicken pox if prescribed by the doctor. Please consult the doctor if you have any concerns.
Do not take more than the prescribed dose of VALAMAC 500MG TABLET as it may cause an overdose. The symptoms of overdose include extreme tiredness, change in the amount of urine, loss of consciousness, seizures (fits) and mental/mood changes. If you suspect you have taken an overdose or notice signs of overdose, please consult a doctor immediately.
VALAMAC 500MG TABLET should be used with caution in elderly patients and only if advised by the doctor. Please consult the doctor if you have any concerns.
VALAMAC 500MG TABLET may cause side effects like headaches, dizziness, feeling sick (nausea or vomiting), diarrhoea, and skin sensitivity to sunlight. Most of these side effects of VALAMAC 500MG TABLET are temporary, do not require medical attention, and gradually resolve over time. However, if the side effects are persistent, reach out to your doctor.
You should only take VALACICLOVIR during pregnancy or while breastfeeding if your doctor determines that the benefits outweigh the potential risks. The medication can pass into breast milk, so it is crucial to consult your healthcare provider to discuss safety for your baby. Talk to your doctor or pharmacist for personalised advice.
VALACICLOVIR begins working shortly after your first dose to stop the virus from multiplying. However, it may take a few days for you to notice a visible improvement in your sores or rash. For the best results, it is important to start the medication as soon as you notice the first signs of an outbreak. Talk to your doctor if your symptoms do not improve.
There is no direct chemical interaction between alcohol and VALACICLOVIR. However, alcohol can cause dehydration and weaken your immune system, making it harder for your body to fight off the viral infection. It can also increase the risk of side effects like dizziness or headache. Talk to your doctor or pharmacist about safe alcohol consumption while on this medication.
In rare cases, especially in elderly patients or those who are already dehydrated, VALACICLOVIR can cause kidney strain or damage. Staying well-hydrated by drinking plenty of water during your treatment helps prevent this. Talk to your doctor immediately if you experience changes in urination, swelling in your legs, or lower back pain.
Yes, VALACICLOVIR can be prescribed for long-term daily use (suppressive therapy) to help prevent frequent outbreaks of genital herpes. Your doctor will periodically evaluate your health to ensure the treatment remains safe and effective for you. Talk to your doctor to determine if long-term treatment is right for you.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. U.S. Food and Drug Administration (FDA). 020487S007Rel2 Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026]Check here
  2. Drugs.com Clinical Review Team. Valacyclovir Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
  3. Drugs.com Clinical Review Team. Valacyclovir Drug Interactions Reference. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
  4. Drugs.com Clinical Review Team. Valacyclovir Pregnancy and Lactation Reference Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
  5. Valtrex 500mg Tablets - Summary of Product Characteristics (SmPC) - (emc) [Internet]. Medicines.org.uk. 2022 [Accessed on 19 May 2022]Check here
  6. Valtrex 500mg Tablets - Patient Information Leaflet (PIL) - (emc) [Internet]. Medicines.org.uk. 2022 [Accessed on 19 May 2022]Check here
  7. CDSCO [Internet]. Cdsco.gov. 2022 [Accessed on 19 May 2022]Check here

Country of origin

India

Manufacturer/Marketer address

Atlanta Arcade, Marol Church Road, Andheri (East), Mumbai - 400059, INDIA.
Other Info - VAL0172
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