Penvir 500 Tablet
Manufacturer
Hetero Drugs Ltd
Salt Composition
Famciclovir (500mg)
Key Information
Short Description
Penvir 500 Tablet is an antiviral medicine used to treat viral infections such as herpes labialis, herpes simplex virus infections, shingles, and genital herpes infection.
Dosage Form
Tablet
Introduction
Penvir 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. If you miss a dose, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule to avoid overdose. You should drink plenty of water while on treatment with this medicine as it helps to prevent dehydration and kidney damage.
Directions for Use
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Penvir 500 Tablet may be taken with or without food but it is better to take it at a fixed time.
Safety Information
Side Effects
headache dizziness vomiting nausea fatigue fever
Alcohol Warning
It is not known whether it is safe to consume alcohol with Penvir 500 Tablet. Please consult your doctor.
Breastfeeding Warning
Penvir 500 Tablet is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.
Pregnancy Warning
Penvir 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.
Interacting Medicines
Abacavir Adefovir Didanosine Entecavir
How it works
Penvir 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.
Related Medicines
Microvir 500 Tablet
Famcimac 500 Tablet
Famtag 500mg Tablet
Famtrex 500mg Tablet
Famdac 500mg Tablet
Amdyvir 500mg Tablet
Virovir 500 Tablet
Famir 500 Tablet
Famnova 500mg Tablet
Herpinil-F 500mg Tablet
Frequently asked questions
Does Penvir 500 Tablet prevent transmission of infection to others?
No, you can still infect other people, even while being treated with Penvir 500 Tablet. Herpes infections are contagious. Avoid touching infected areas and contact with other people. Wash your hands frequently to prevent transmitting the infection. Practice safe sex by using condoms when in doubt. Do not engage in sexual activity if you have genital sores or blisters.
Is Penvir 500 Tablet effective?
Penvir 500 Tablet is effective only if used at the prescribed dosage and duration by your doctor. Do not stop taking it even if you see improvement in your condition, as stopping early may result in symptoms returning or worsening. Follow your doctor's instructions for treatment duration.
Can I stop taking Penvir 500 Tablet when I feel better?
No, do not stop taking Penvir 500 Tablet without consulting your doctor even if you are feeling better. Your symptoms may improve before the infection is completely cured. It's crucial to continue your treatment as prescribed for complete healing.
What should I tell my doctor before starting treatment with Penvir 500 Tablet?
Before taking Penvir 500 Tablet, inform your doctor of any other health problems you may have, such as kidney or liver issues. Certain medical conditions might influence treatment and require dose adjustments. Also, let your doctor know about all the medications you are currently taking to prevent potential interactions.
What are the serious side effects of Penvir 500 Tablet?
Serious side effects are rare but if you experience them, seek medical attention promptly. These rare side effects include hives, blistering or peeling rash, yellowing of skin or eyes, unusual bruising or bleeding, loss of consciousness, fits (seizures), difficulty breathing, hallucinations, and swelling of the face, tongue, lips, or throat.
Do elderly patients need to be more careful while taking Penvir 500 Tablet?
Older adults (over age 65 years) may experience more side effects from Penvir 500 Tablet because their kidneys might filter the drug out of their system slower than younger people's kidneys. To minimize these potential side effects, elderly patients should drink plenty of water and have their kidney function checked regularly. Doctors can adjust the dose accordingly for older patients.
What if I forget to take a dose of Penvir 500 Tablet?
If you forget a dose, take it as soon as possible, remembering that your next scheduled dosage must be taken at the correct time. Double dosing is not recommended and might increase side effects.
What can happen if somebody takes more than the recommended dose of Penvir 500 Tablet accidentally?
Accidental, repeated overdoses of oral Penvir 500 Tablet over several days have resulted in nausea, vomiting, confusion and headache. In case of accidental overdose, consult your doctor immediately.
Can I get resistant to Penvir 500 Tablet treatment?
Patients with advanced HIV disease or patients with an impaired immune system have reported drug resistance to Penvir 500 Tablet. If you are not responding to Penvir 500 Tablet, it's crucial to determine the possibility of drug resistance through further testing.
