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  1. Home
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  3. Virex 800mg Tablet

Virex 800mg Tablet, Pack of 1 Tablet
Virex 800mg Tablet, Pack of 1 Tablet
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy

Virex 800mg Tablet is an antiviral medication used to treat herpes zoster (shingles), genital herpes infection, labialis, and chicken pox. This medicine acts on the virus's DNA and stops the virus's multiplication in human cells. Common side effects include headaches, dizziness, nausea, vomiting, diarrhoea, and sensitivity of the skin to sunlight.

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Composition :

ACYCLOVIR-800MG

Manufacturer/Marketer :

BDH Industries Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

About Virex 800mg Tablet

Virex 800mg Tablet belongs to a class of antiviral medication used to treat viral infections such as 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 is also used to treat chickenpox. Virex 800mg Tablet does not cure herpes, but prevents the infection from spreading and treats its symptoms.

Virex 800mg Tablet contains acyclovir, an antiviral medication. It prevents the multiplication of viruses in human cells by acting on their DNA, resulting in decreased viral overload. Virex 800mg Tablet kills or stops the growth of fungi and treats the infection.

The dose and duration depend on your condition and how you respond to Virex 800mg Tablet. You may sometimes experience headaches, dizziness, nausea, vomiting, diarrhoea, and skin sensitivity to sunlight. Most of these side effects of Virex 800mg Tablet are temporary, do not require medical attention, and gradually resolve over time. However, if the side effects persist, contact your doctor.

Do not take Virex 800mg Tablet if you are allergic to acyclovir or any of its ingredients. Check with your doctor if you are pregnant, currently breastfeeding, or taking 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. If you have a weak immune system, please inform your doctor before taking Virex 800mg Tablet as you may require a dose adjustment.

Uses of Virex 800mg Tablet

Virex 800mg Tablet is an antiviral drug that is primarily used to treat herpesvirus infections. The detailed uses of Virex 800mg Tablet are as follows:
• Herpes Simplex Virus (HSV) Infections: It helps control oral and genital herpes by lowering symptoms and preventing new sores.
• Shingles (Herpes Zoster): Used to cure shingles by shortening the duration and severity of the symptoms.
• Chickenpox (Varicella): Sometimes given for chickenpox, particularly in people with weaker immune systems.
• Herpetic Kerato-Uveitis Therapy: Effective in treating herpes-related eye infections.
• Recurrence Prevention: Used as suppressive therapy for people who experience recurring herpes outbreaks.
• Severe Forms of Herpes Zoster: Treats severe forms, such as face or ophthalmic zoster.

Directions for Use

• Virex 800mg Tablet can be taken with or without food.
• Your doctor will decide the dose and duration depending on the severity of your symptoms.
• Swallow the medicine as a whole with a glass of water.
• Do not crush, chew, or break Virex 800mg Tablet as it may affect how the medication is absorbed.

Medicinal Benefits

Virex 800mg Tablet contains acyclovir, which is an antiviral medication. Virex 800mg Tablet prevents the multiplication of viruses in human cells by acting on its DNA, resulting in decreased viral overload and preventing new viruses' formation. Virex 800mg Tablet is used to treat viral infections such as 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). In addition to this, it is also used to treat chickenpox.

How Virex 800mg Tablet Works

Virex 800mg Tablet contains acyclovir, which is an antiviral medication. Virex 800mg Tablet prevents the multiplication of viruses in human cells by acting on their DNA, resulting in decreased viral overload. Virex 800mg Tablet kills or stops the growth of fungi and treats the infection.

Storage

Store in a cool and dry place away from sunlight

What if I have taken an overdose of Virex 800mg Tablet

Avoid exceeding the recommended dose as it could lead to an overdose. Symptoms of overdose may include agitation, seizures, extreme tiredness, loss of consciousness, decreased urination, and swelling of the hands, ankles, feet, or lower legs. If you experience these symptoms or suspect you have taken an overdose, seek immediate medical attention.

Drug Warnings

Do not take Virex 800mg Tablet if you are allergic to any of its ingredients. Inform your doctor about all other medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. If you are 65 years of age, have kidney disease or kidney transplant, have a heart problem or history of heart problems, have HIV/AIDS, are pregnant, or plan to become pregnant, Virex 800mg Tablet should be taken with caution and only if a doctor prescribes you. Virex 800mg Tablet may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position, especially when you start taking Virex 800mg Tablet so please get up gradually. Also, do not drive a car or operate machinery requiring concentration as Virex 800mg Tablet may cause dizziness. Please do not take Virex 800mg Tablet if you have ever developed a rash due to a fever. If you have a weak immune system, please inform your doctor before taking Virex 800mg Tablet, as a dose adjustment may be required.

Diet & Lifestyle Advise

  • Avoid alcoholic beverages with Virex 800mg Tablet as they can make you dehydrated and may affect your sleep.
  • Try to include heart-healthy omega-3 fatty acid-containing foods in your daily diet. You can also use low-fat cooking oils like olive, soybean, canola, and coconut oil.
  • Include turmeric or yellow mustard in your diet to avoid constipation caused by antiviral drugs, and increase your fluid intake to stay hydrated.
  • Take enough Vitamin D and fresh air, as it is known to improve the symptoms of herpes infection.
  • Try to reduce emotional and physical stress by spending time with family or doing whatever makes you happy.
  • Eat a healthy and balanced diet and sleep at least 8 hours daily for a speedy recovery.
  • If you are going in strong sunlight, please wear a lip balm with SPF 50 or higher, as the Virex 800mg Tablet makes you sensitive to UV and sunlight.

Habit Forming

No

Therapeutic Class

ANTIVIRALS

Virex 800mg Tablet Substitute

Substitutes safety advice

  • Alovir 800mg Tablet

    by Others

    ₹19.95per tablet

  • Alovix 800mg Tablet

    by Others

    ₹27.00per tablet

  • Acycop 800mg Tablet

    by Others

    ₹19.89per tablet

  • Acicloder 800mg Tablet

    by Others

    ₹27.00per tablet

  • Acycloveer G 800mg Tablet

    by Others

    ₹18.90per tablet

Product Substitutes

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Alcohol

Caution

Alcohol is not known to cause any unpleasant side effects if taken along with Virex 800mg Tablet. But intake of alcohol with Virex 800mg Tablet may damage your liver. So intake of alcohol should be avoided with Virex 800mg Tablet.

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Pregnancy

Caution

Virex 800mg Tablet is a pregnancy Category B medicine. It is unknown whether Virex 800mg Tablet will affect pregnant women or fetus. Hence, the intake of Virex 800mg Tablet should be only if prescribed and under medical supervision.

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Breast Feeding

Caution

The safety of Virex 800mg Tablet in breastfeeding women is not known. Hence, Virex 800mg Tablet should only be taken if prescribed by a doctor and under medical supervision.

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Driving

Caution

Virex 800mg Tablet can affect alertness and coordination. So, operating machinery which requires concentration should be avoided.

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Liver

Caution

Virex 800mg Tablet to 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

Virex 800mg Tablet to 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

Safe if prescribed

Virex 800mg Tablet is safe if prescribed by a child specialist.

Have a query?

FAQs

Virex 800mg Tablet belongs to a class of antiviral medication used to treat viral infections such as cold sores (an inflamed blister in or near the mouth, caused by infection with the herpes simplex virus), genital herpes common sexually transmitted infection marked by genital pain and sores), and herpes zoster (a viral infection that causes a painful rash).

Virex 800mg Tablet works by killing or stopping the growth of the fungi. Thereby preventing the spread of infection.

No, you should not take Virex 800mg Tablet if you have HIV (Human Immunodeficiency Virus) infection. It can increase the risk of Thrombotic Thrombocytopenic Purpura (blood clot formation in small blood vessels).

No, Virex 800mg 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.

If you miss a dose of Virex 800mg Tablet, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and take the scheduled dose. Do not take a double dose to make up for a missed one.

No, Virex 800mg Tablet does not cure herpes infection. Instead, it reduces pain and itching caused due to the infection and prevents a new sore formation.

Do not stop taking Virex 800mg Tablet without talking to your doctor. If you suddenly stop taking Virex 800mg 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, Virex 800mg Tablet is not known to affect contraception (condoms). Also, to avoid transmission of herpes infection as it is a sexually transmitted disease, please use any form of contraception.

Virex 800mg Tablet may cause tiredness as a side effect in some people. If you are feeling more tired than usual while taking Virex 800mg Tablet, please talk to your doctor to rule out other causes.

Take Virex 800mg Tablet for the duration prescribed by your doctor, depending on the condition being treated. For most viral infections, Virex 800mg Tablet is typically taken for 5-10 days, starting as soon as your symptoms appear. When used to prevent outbreaks of genital herpes, Virex 800mg Tablet is usually taken for up to 12 months. Please consult the doctor if you have any concerns regarding the duration of treatment.

Virex 800mg Tablet is an antiviral medication effective against the herpes zoster (shingles) virus. It does not cure the infection but helps reduce the severity of the symptoms and shorten the duration of the infection. It does not eliminate the virus from your body, but it can help prevent future outbreaks.

Virex 800mg Tablet does not completely prevent the transmission of the herpes virus infection to others. However, it helps reduce the spread of the virus within your body and lowers the risk of passing it on to others. Please talk to your doctor about ways to prevent the spread of herpes virus infection.

The serious side effects of Virex 800mg Tablet may include easy bruising or bleeding, purple or red pinpoint spots under your skin, changes in behaviour, confusion, hallucinations (seeing or hearing things that do not exist), pain or difficulty when urinating, swelling in your feet or ankles, feeling tired, shortness of breath, bloody diarrhoea, seizures, or loss of consciousness. These side effects are rare, but if you experience them, please inform your doctor right away.

Yes, elderly patients may need to be more careful when taking Virex 800mg Tablet because they may be at a higher risk of kidney problems. This can cause the drug to stay in the body longer, which may increase the risk of side effects. Therefore, elderly patients should drink plenty of water while taking Virex 800mg Tablet, and their kidney function should be regularly monitored by their doctor.

Taking more than the recommended dose of Virex 800mg Tablet may lead to side effects such as nausea, vomiting, confusion, or dizziness. If you are concerned that you have taken too much of Virex 800mg Tablet, please contact your doctor for advice.

While resistance to Virex 800mg Tablet is uncommon, skipping doses may increase the risk of your virus developing resistance to the medication. Therefore, use Virex 800mg Tablet for the duration prescribed by your doctor, even if your symptoms improve quickly.

Hair loss is not a common side effect of Virex 800mg Tablet, but it may occur in rare cases. If hair loss does occur, it is usually temporary and should resolve over time. If you have concerns about the side effects, please consult your doctor.

Country of origin

India
Other Info - VI58363

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Santoshini Reddy GDoctor badge

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

May 8, 2025 | 11:31 AM IST

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Reference

  1. https://www.medicines.org.uk/emc/files/pil.4334.pdf
  2. https://www.nhs.uk/medicines/aciclovir/
  3. https://www.medicines.org.uk/emc/files/pil.9273.pdf
  4. https://www.webmd.com/drugs/2/drug-941/acyclovir-oral/details
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