Penvir 500 Tablet
Prescription Required
Product introduction
Penvir 500 Tablet is an antiviral medicine. It helps in treating viral infections like herpes labialis, herpes simplex virus infections, shingles, and genital herpes infection. It prevents the multiplication of virus in human cells and therefore helps in clearing the infection.
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.
Some side effects of this medicine include headache, dizziness, vomiting, nausea, fatigue, and fever. Inform your doctor if these side effects persist for a longer duration. Please consult your doctor if you are pregnant, planning to conceive or breastfeeding.
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.
Some side effects of this medicine include headache, dizziness, vomiting, nausea, fatigue, and fever. Inform your doctor if these side effects persist for a longer duration. Please consult your doctor if you are pregnant, planning to conceive or breastfeeding.
Uses of Penvir Tablet
Benefits of Penvir Tablet
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. Penvir 500 Tablet can speed up healing of herpes labialis and also prevent recurrence of the sores.
In Herpes Simplex Virus Infections
Penvir 500 Tablet is an antiviral medicine. It slows the growth and spread of the herpes virus in the body. It will not cure herpes and neither it prevents passing on the infection to others. However, it can speed up healing of the sores and decrease the symptoms such as tingling, pain, burning, itching. Follow your doctor’s instructions carefully to get maximum benefit.
In Shingles
Shingles is a viral infection that causes a painful rash. Penvir 500 Tablet can shorten the length and severity of shingles. 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 shingles. Maintaining good hygiene is another way of preventing shingles.
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. Penvir 500 Tablet helps in treating the symptoms effectively and also prevents multiplication of the infection causing virus.
Side effects of Penvir Tablet
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Penvir
- Headache
- Dizziness
- Nausea
- Rash
- Abdominal pain
- Itching
- Abnormal liver function tests
- Increased lipase in the blood
- Elevated levels of serum amylase
How to use Penvir Tablet
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.
How Penvir Tablet 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.
Safety advice
Alcohol
CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Penvir 500 Tablet. Please consult your doctor.
Pregnancy
SAFE IF PRESCRIBED
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.
Breast feeding
CONSULT YOUR DOCTOR
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.
Driving
UNSAFE
Penvir 500 Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
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Kidney
CAUTION
Penvir 500 Tablet should be used with caution in patients with kidney disease. Dose adjustment of Penvir 500 Tablet may be needed. Please consult your doctor.
Liver
CAUTION
Penvir 500 Tablet should be used with caution in patients with severe liver disease. Dose adjustment of Penvir 500 Tablet may be needed. Please consult your doctor.
Limited information is available on the use of Penvir 500 Tablet in these patients. No dose adjustment is recommended in patients with mild to moderate liver disease.
Limited information is available on the use of Penvir 500 Tablet in these patients. No dose adjustment is recommended in patients with mild to moderate liver disease.
What if you forget to take Penvir Tablet?
If you miss a dose of Penvir 500 Tablet, 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. Do not double the dose.
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Fact Box
Chemical Class
Nucleoside analog
Habit Forming
No
Therapeutic Class
ANTI INFECTIVES
Action Class
Antiviral (Non-HIV) drugs
Interaction with drugs
Taking Penvir with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Probenecid may slow down the removal of Famciclovir through the kidneys.
If concurrent use is essential, watch out for symptoms such as sedation, nausea, dizziness, fatigue or con
Famciclovir may reduce the efficacy of Herpes Zoster / Shingles Vaccine (Recombinant, Adjuvanted).
Ensure a gap of at least 48 hours after discontinuing Famciclovir before taking
Famciclovir may reduce blood levels of Favipiravir.
Talk to your doctor if you notice any unusual symptoms.
Patient concerns
User feedback
Patients taking Penvir 500 Tablet
Once A Day
100%
What are you using Penvir Tablet for?
Herpes simple*
68%
Others
16%
Genital herpe*
11%
Shingles
5%
*Herpes simplex virus infections, Genital herpes infection
How much was the improvement?
Poor
50%
Average
28%
Excellent
22%
What were the side-effects while using Penvir 500 Tablet?
Dizziness
50%
No Side Effec*
50%
*No Side Effect
How do you take Penvir Tablet?
With food
67%
Empty stomach
17%
With or witho*
17%
*With or without food
Please rate Penvir 500 Tablet on price
Expensive
75%
Average
25%
FAQs
Does Penvir 500 Tablet prevent transmission of infection to others?
No, you can infect other people, even while you are being treated with Penvir 500 Tablet. Herpes infections are contagious, so avoid letting infected areas come into contact with other people. Avoid touching your eyes after touching an infected area. Wash your hands frequently to prevent transmitting the infection to others. You should practice safe sex by using condoms. You should not have sex if you have genital sores or blisters.
Is Penvir 500 Tablet effective?
Penvir 500 Tablet is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Penvir 500 Tablet too early, the symptoms may return or worsen.
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. Therefore, for better and complete treatment, it is advised to continue your treatment for the prescribed duration.
What should I tell my doctor before starting treatment with Penvir 500 Tablet?
Before starting treatment with Penvir 500 Tablet, tell your doctor if you have any other health problems, like kidney or liver-related issues. This is because certain medical conditions may affect your treatment and you may even need dose modifications. Let your doctor know about all the other medicines you are taking because they may affect, or be affected by, this medicine. Inform your doctor if you are planning a baby, if you are pregnant or breastfeeding.
What are the serious side effects of Penvir 500 Tablet?
Serious side effects are rare, but if you experience them, you should seek medical advice right away. These rare side effects include hives, blistering or peeling rash, yellow skin or eyes, unusual bruising or bleeding, loss of consciousness, fits, difficulty in 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) tend to experience more side effects when taking Penvir 500 Tablet. The reason being, their kidneys do not flush the drug out of their system as quickly as a younger person’s kidneys would do. Elderly patients should drink plenty of water while taking Penvir 500 Tablet, and their kidney function should be monitored. These patients should be given a lower dose and should be monitored for neurological problems.
What if I forget to take a dose of Penvir 500 Tablet?
If you forget a dose of Penvir 500 Tablet, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing 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. Consult your doctor in case of overdose.
Can I get resistant to Penvir 500 Tablet treatment?
Patients with advanced HIV disease or patients with an impaired immunity have reported resistance to Penvir 500 Tablet. If you are not responding to Penvir 500 Tablet, the possibility of drug resistance should be checked.
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Disclaimer:
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.References
- Acosta EP, Flexner C. Antiviral Agents (Nonretroviral). In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. New York, New York: McGraw-Hill Medical; 2011. pp. 1601-602.
- Safrin S. Antiviral Agents. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 847-48.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 531-32.
- Famciclovir. Hatfield, Hertfordshire: Generics UK T/A Mylan; 2009 [revised 24 Aug. 2018]. [Accessed 28 Jan. 2019] (online) Available from:
- Famciclovir. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 1994 [revised Apr. 2013] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
Marketer details
Name: Hetero Drugs Ltd
Address: 7-2-A2, Hetero Corporate, Industrial Estates, Sanath Nagar, Hyderabad – 500 018. Telangana, INDIA
Country of origin: India
Expires on or after: April, 2027
A licensed vendor partner from your nearest location will deliver Penvir 500 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
Expires on or after: April, 2027
A licensed vendor partner from your nearest location will deliver Penvir 500 Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.
In case of any issues, contact us
Email ID: [email protected]Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India
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