Penvir 250 Tablet | Uses, Side Effects, Price

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Composition:FAMCICLOVIR-250MG

Prescription Medicine

Penvir 250 Tablet is an antiviral drug 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).

Written By Santoshini Reddy G , M Pharmacy

Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy

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More about the Product

Composition :

FAMCICLOVIR-250MG

Manufacturer/Marketer :

Hetero Drugs Ltd

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Penvir 250 Tablet

Penvir 250 Tablet is used to treat genital herpes (A common sexually transmitted infection marked by genital pain and sores), and herpes zoster (a viral infection that causes a painful rash). Penvir 250 Tablet does not cure herpes, but it prevents the infection from spreading and treats its symptoms.

Penvir 250 Tablet contains famciclovir, which prevents viral multiplication in human cells.

In some cases, you may experience headaches, feeling dizzy, feeling or being sick (nausea or vomiting), diarrhoea, and itching. Most of these side effects do not require medical attention and gradually resolve over time. However, if the side effects persist, reach out to your doctor.

Do not take Penvir 250 Tablet if you are allergic to Penvir 250 Tablet, famciclovir, or any of its ingredients. Check with your doctor if you're pregnant, breastfeeding, or taking any other prescribed or non-prescribed medicines. Use protection while having sexual intercourse to avoid the transfer of genital herpes (a sexually transmitted disease) to your partner.

Uses of Penvir 250 Tablet

Penvir 250 Tablet is used in the treatment of herpes zoster skin infection(shingles) and genital herpes. The detailed uses of Penvir 250 Tablet are as follows:

Treats Herpes Zoster (Shingles): Penvir 250 Tablet helps relieve pain and rash associated with shingles by stopping the replication of the varicella-zoster virus.
Manages Genital Herpes: Penvir 250 Tablet used to treat and suppress recurrent outbreaks of genital herpes caused by herpes simplex virus (HSV).

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Directions for Use

Penvir 250 Tablet can be taken with or without food, or as advised by a doctor.
Follow your doctor’s recommendations on the dosage and timing of this medication to achieve optimal results.
Swallow it as a whole with a glass of water.
Do not crush, chew, or break it.

Key Benefits

Reduces pain and expedites the healing of skin rashes, which aids in the treatment of shingles (herpes zoster).
Minimizes the severity and duration of genital herpes outbreaks.
When used early, it efficiently treats herpes labialis, or cold sores.
When taken as preventive therapy, it reduces the chance of recurring herpes episodes.
Lessens shingles-related nerve pain (post-herpetic neuralgia).
Aids those with compromised immune systems in controlling herpes infections.
Reduces viral shedding, potentially preventing the infection from spreading to other people.

How Penvir 250 Tablet Works

Penvir 250 Tablet contains famciclovir, which is an antiviral medication. It is used in treating viral infections by preventing the multiplication of viruses in human cells. As a result, this stops the proliferation of viruses, slowly clearing up the viral infection.

Storage

Store in a cool and dry place away from sunlight

Side effects of Penvir 250 Tablet

Headache

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.

Nausea

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.

Loose And Watery Stools

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.

Vomiting

To prevent, manage, and treat Constipation caused by medication usage, follow these steps:

Preventing Vomiting (Before it Happens)
Take medication exactly as prescribed by your doctor. This can help minimize side effects, including vomiting.
Having a small meal before taking your medication can help reduce nausea and vomiting.
Talk to your doctor about taking anti-nausea medication along with your prescribed medication.
Managing Vomiting (If it Happens)
Try taking ginger in the form of tea, ale, or candy to help alleviate nausea and vomiting.
What to Do if Vomiting Persists
Consult your doctor if vomiting continues or worsens, consult the doctor for guidance on adjusting your medication or additional treatment.

Fatigue

Rest well; get enough sleep.
Eat a balanced diet and drink enough water.
Manage stress with yoga and meditation.
Limit alcohol and caffeine.
Physical activities like walking or jogging might help boost energy and make you feel less tired.

Stomach Pain

Drink water or other clear fluids.
To prevent worsening of pain, limit intake of tea, coffee, or alcohol.
Include bland foods like rice, toast, crackers, and rice in your diet.
Avoid lying down immediately after eating as it may cause indigestion or heartburn.
Avoid acidic and spicy food as it may cause indigestion.

Painful Periods

What if I have taken an overdose of Penvir 250 Tablet

Do not take more than the prescribed dose of Penvir 250 Tablet as it may affect the kidneys. If the dose is not adjusted properly, it may, in rare cases, result in kidney failure in those who already have kidney problems. If you suspect you have taken an overdose, please consult a doctor immediately.

Drug Warnings

Do not take Penvir 250 Tablet if you are allergic to Penvir 250 Tablet or any of its ingredients.
Inform your doctor about all other OTC medications, vitamins, nutritional supplements, and herbal products that you are already taking.
Take Penvir 250 Tablet with caution if you have kidney disease or liver disease.
Do not drive a car or operate any machinery which requires concentration, as Penvir 250 Tablet may cause dizziness.
Use protection while having sexual intercourse to avoid the transfer of genital herpes (a sexually transmitted disease) to your partner.
If you have a weak immune system, please inform your doctor before taking Penvir 250 Tablet as a dose adjustment may be required.
Inform your doctor before taking Penvir 250 Tablet if you have a known intolerance to some sugars, e.g. lactose.

Drug-Drug Interactions

No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

Drug-Food Interactions

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

Drug-Food Interactions

Diet & Lifestyle Advise

Diet:

Try to include heart-healthy omega-3 fatty acid-containing foods in your daily diet.
Include turmeric or yellow mustard in your diet to help prevent constipation caused by antiviral drugs, and increase your fluid intake to stay hydrated.
Drink plenty of water to improve the body's food processing.
Avoid sugary foods such as cake, cookies, packaged baked food or soda. Also, avoid heavy salt foods.
Avoid foods containing saturated fats, such as fried foods, fatty cuts of meat, sour cream, butter, and other high-fat dairy products, as they may lead to weight gain and result in fatty liver.

Lifestyle changes:

To avoid infecting people with herpes, practice good personal cleanliness.
During active outbreaks, stay away from intimate physical or sexual contact.
Recurrences of herpes can be brought on by stress, so manage it using relaxing techniques.
To strengthen your immune system and aid in your recuperation, get enough sleep.

Hygeine:

Clean your hands often, especially after handling afflicted areas.
To encourage healing, keep the affected area dry and clean.
To stop the infection from spreading, don't share personal goods like lip balms, razors, or towels.

Habit Forming

Therapeutic Class

[ANTIVIRALS]

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Alcohol

Unsafe

Consumption of alcohol with Penvir 250 Tablet may increase the risk of side effects.

Pregnancy

Consult your doctor

Penvir 250 Tablet is a pregnancy Category B medicine. It is not known whether Penvir 250 Tablet will affect pregnant women or the fetus or not. Hence, the intake of Penvir 250 Tablet should be prescribed only under medical supervision.

Breast Feeding

Consult your doctor

Penvir 250 Tablet is a pregnancy Category B medicine. It is not known whether Penvir 250 Tablet passes through the milk of breastfeeding women. Hence, Penvir 250 Tablet should only be taken if prescribed by a doctor and under medical supervision.

Driving

Unsafe

Penvir 250 Tablet can cause dizziness, drowsiness or confusion. So, operating machinery which requires concentration should be avoided.

Liver

Caution

Penvir 250 Tablet to be taken with caution, especially if you have a history of liver disease. The dose may have to be adjusted by your doctor.

Kidney

Caution

Penvir 250 Tablet to be taken with caution, especially if you have a history of kidney disease. The dose may have to be adjusted by your doctor.

Children

Unsafe

Penvir 250 Tablet should not be given to children below the age of 12 years.

Heart

Safe if prescribed

Penvir 250 Tablet is safe for use in heart patients if prescribed by the physician.

Geriatrics

Caution

Penvir 250 Tablet can be given in elderly patients with extreme caution and only if prescribed by the doctor. Dose adjustments may be needed.

Country of origin

INDIA

Manufacturer/Marketer address

2nd Floor, 8-3-166/7/1 Erragadda, Hyderabad-500018

Other Info - PEN0021

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Author Details

Written By

Santoshini Reddy G

M Pharmacy

Reviewed By

Bayyarapu Mahesh Kumar

M Pharmacy

Last Updated

Mar 4, 2026 | 7:59 AM IST

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