Valasivir 500 Tablet is an antiviral medicine used in the treatment of herpes labialis, genital herpes infection, and herpes zoster infections. It prevents the multiplication of viruses in human cells and clears up the infection. Valasivir 500 Tablet should be taken in the dose and duration as advised by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. It may be taken with or without food, but it is better to take it at a fixed time. You should drink plenty of water while on treatment with this medicine as it helps to prevent dehydration and kidney damage. Valasivir 500 Tablet may cause a few common side effects like headache, nausea, and stomach pain. Inform your doctor if these bother you or persist for a longer duration. Please consult your doctor if you are pregnant, planning to conceive, or breastfeeding.
Written by: Shubham Kumar Singh, B pharmacy
Reviewed by: Dr. Jay Faldu, MBBS
Last updated on: 24-06-2025
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Valasivir 500 Tablet is an antiviral medicine used in the treatment of herpes labialis, genital herpes infection, and herpes zoster infections. It prevents the multiplication of viruses in human cells and clears up the infection. Valasivir 500 Tablet should be taken in the dose and duration as advised by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. It may be taken with or without food, but it is better to take it at a fixed time. You should drink plenty of water while on treatment with this medicine as it helps to prevent dehydration and kidney damage. Valasivir 500 Tablet may cause a few common side effects like headache, nausea, and stomach pain. Inform your doctor if these bother you or persist for a longer duration. Please consult your doctor if you are pregnant, planning to conceive, or breastfeeding.
Herpes labialis / Genital herpes infection / Herpes zoster
In Herpes labialis Herpes labialis, commonly known as cold sores, is a viral infection that primarily affects the lip. Symptoms typically include a burning pain followed by small blisters or sores. The first attack may also be accompanied by fever, sore throat, and enlarged lymph nodes. Valasivir 500 Tablet can speed up the healing of herpes labialis and also prevent recurrence of the sores. In Genital herpes infection Genital herpes infection is a common sexually transmitted infection marked by genital pain and sores. It can affect both men and women. Symptoms include pain, itching, and irritation. Valasivir 500 Tablet helps in treating the symptoms effectively and also prevents the multiplication of the infection-causing virus. In Herpes zoster Herpes zoster infection is a viral infection that causes a painful rash. Valasivir 500 Tablet can shorten the length and severity of the infection. It is most effective if you start taking it as soon as possible after the rash appears. Keeping the immune system healthy is the best way to prevent it. Maintaining good hygiene is another way of preventing herpes zoster infection.
The majority of side effects typically do not necessitate medical intervention. and disappear as your body adjusts to the medicine. Doctor consultation is advised if they persist or if you're worried about them. ['Nausea, Abdominal pain']
Follow your doctor's guidance regarding the dose and duration of this medication. Ingest it without breaking or crushing. Do not chew, crush or break it. Valasivir 500 Tablet can be taken it with or without food, although it's advisable to take it consistently at the same time.
Valasivir 500 Tablet is an antiviral medication. It prevents the multiplication of virus in human cells. This stops the virus from producing new viruses and clears up your infection.
Alcohol
Consult your Doctor: Please consult your doctor regarding the safety of consuming alcohol with Valasivir 500 Tablet . Experts have not found evidence of alcohol impairing the effectiveness of the medicine.
Pregnancy
Safe when prescribed by an expert: Valasivir 500 Tablet is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Breast feeding
Safe when prescribed by an expert: Valasivir 500 Tablet is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Driving
Not Safe: Valasivir 500 Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney
Caution Advised: Valasivir 500 Tablet should be used with caution in patients with kidney disease. Dose adjustment of Valasivir 500 Tablet may be needed. Doctor consultation is advised. Drink plenty of water while you are taking this medicine to lower the side effects on the kidney.
Liver
Safe when prescribed by an expert: Valasivir 500 Tablet is safe to use in patients with liver disease. No dose adjustment of Valasivir 500 Tablet is recommended.
If a dose of Valasivir 500 Tablet is missed, take it promptly. However, if your next dose is approaching, skip the missed dose and resume your regular schedule. Avoid doubling the dose.
Store in a cool and dry place, and keep the temperature below 30�C
Do not skip any doses and finish the full course of treatment even if you feel better. Drink plenty of water while on treatment with this medicine. This helps to prevent dehydration and kidney damage. If you have genital herpes, use barrier methods (condoms) for contraception and avoid sexual contact while the sores are present. Inform your doctor if you are pregnant or planning to conceive or breastfeeding.
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