Generic Famvir (Famciclovir)
Famvir is an anti-viral medication which treats Herpes simplex (types I and II), Varicella zoster, and the Epstein-Barr virus (EBV).
Per Pills
250 mg x 12 pills
250 mg x 30 pills
250 mg x 60 pills
250 mg x 90 pills
250 mg x 120 pills
Per Pills
500 mg x 30 pills
500 mg x 60 pills
Product Description

Famvir - thanks for

FDA polyposis titration B. Interactive image. Famvir famciclovir is an established drug. Accomplished 21 April Structurally, this drug should only be used in original if there needed. Famciclovir also may not be effective in Black or African-American people with genital herpes, and may not be effective in any person with shingles herpes zoster affecting the eyes. Interactive image. Famvir drug interactions in more detail. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects. You may need to decide whether to stop breastfeeding or stop taking this medication. Your email: is required Error: This is required Error: Not a valid value. Famciclovir may cause side effects. Purine nucleosides. Chronic suppression of recurrent genital herpes: Immunocompetent patients: mg orally twice a day HIV-infected patients: mg orally twice a day has been recommended by the CDC Therapy should be continued as clinically appropriate, although the safety and efficacy of famciclovir therapy beyond 1 year have not been established. Do not miss any doses and do not use this medicine more often or for a longer Famvir than your doctor ordered. Also, do not administer famciclovir for at least 14 days after vaccination. The information on this page has been compiled for use by healthcare practitioners and consumers in the United States and therefore neither Everyday Health or its licensor warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Tell your doctor if you are pregnant or plan to become pregnant during treatment. Famciclovir will not prevent the spread of genital herpes. Cubist Pharmaceuticals H. This medicine is for you. Do not take extra medicine to make up the missed dose. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. The herpes zoster virus is the cause of shingles. Famvir side effects in more detail. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Because of similar chemical structures and possible cross-sensitivity, famciclovir should not be used in patients with acyclovir hypersensitivity, ganciclovir hypersensitivity, valacyclovir hypersensitivity, or valganciclovir hypersensitivity. Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. Headache Drink plenty of water and ask your pharmacist to recommend a suitable painkiller. Famvir is sometimes used in people with human immunodeficiency virus HIV who develop herpes outbreaks around the mouth, genitals, or anal area. Famciclovir was patented in and approved for medical use in Famciclovir may cause side effects. Subscribe to our newsletters. If you are pregnant, your name may be listed on a pregnancy registry to track the effects of famciclovir on the baby. Famciclovir is marketed under the trade name Famvir Novartis. The dose of this medicine will be different for different patients. Clinical practice guidelines suggest an antiviral plus oral corticosteroid within 72 hours of symptom onset to modestly increase probability of functional facial nerve recovery. For acute treatment of recurrent episodes of herpes labialis in immunocompetent patients or orolabial herpes in HIV-infected patients. Inhibition of DNA synthesis of virus-infected cells inhibits viral replication. Interferon alfa 2b Peginterferon alfa-2a. Herpes infections are contagious and you can infect other people, even while you are being treated with Famvir. For cold sores or genital herpes, you should start taking Famvir as soon as possible after the first appearance of symptoms such as tingling, burning, blisters. By using this site, you agree to the Terms of Use and Privacy Policy. In case of overdose, call the poison control helpline at For people with kidney problems: If you have kidney problems or a history of kidney disease, you may not be able to clear this drug from your body well. The dose of this medicine will be different for different patients. However, genital herpes can be spread to others, even when you do not have symptoms. Views Read Edit View history. Nucleic acid inhibitors Cidofovir. Always read the label. If you have genital herpes, it is very important to Famvif herpes lesions during pregnancy. This is not a complete list of side effects and others may occur. If you miss a dose, take it as soon as possible and continue with your regular schedule. Mayo Clinic does not endorse any of the third party products and services advertised. Subscribe to Drugs. To Famir avoid interactions, your doctor should manage all of your medications carefully. Always consult your healthcare provider to ensure the information displayed Famvir this page applies to your personal circumstances. If you experience any other symptoms which you think may be due to the medicine, speak with your doctor or pharmacist for further advice. There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. For children: This medication has not been approved for use in children. Many medications can cause side effects. But if you remember just a few hours before your next scheduled dose, take only one dose. Safety and efficacy for the treatment of recurrent herpes labialis in children was evaluated during an open-label, single-arm study. The efficacy of famciclovir in other herpes infection such as ophthalmic zoster, disseminated zoster varicellaor immunocompromised patients with herpes zoster has not been determined. According to the manufacturer, famciclovir should only be used in nursing mothers if the potential benefits to the mother outweigh the potential risks to the infant. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine. Famciclovir is only available as a generic drug. Mayo Clinic does not endorse any of the third party products and services advertised. Required field. By using this site Famvirr agree Famvir our use of cookies. The awkward case of 'his or her'. Patients who have developed famciclovir hypersensitivity or penciclovir hypersensitivity should not receive famciclovir. If you have kidney problems, your doctor will give you a lower dosage of this drug. Safety and efficacy have not been established. Are you concerned that you may have herpes? Call your doctor for medical advice about side effects. This can be harmful or prevent the drug from working well. For children: This medication has not been approved for use in children. For herpes genitalis prophylaxis in immunocompetent patients, give mg PO after each dialysis session. There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Famciclovir comes as a tablet to take by mouth with or without food. The herpes zoster virus is the cause of shingles. It is used to treat and suppress herpes labialis cold sores and recurrent episodes of genital herpes infection. When famciclovir is used to treat herpes infection in people infected with HIV, it is usually taken twice a day for 7 days. For HIV-infected patients with extensive cutaneous lesions or visceral involvement, the guidelines recommend as stepdown therapy after IV acyclovir to complete a 10 to 14 day course. Take the missed dose as soon as you remember. A class of drugs is a group of medications that work in a similar way. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. PDR Search. Do not take two doses at one time. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. According to the manufacturer, famciclovir should only be used in nursing mothers if the potential benefits to the mother outweigh the potential risks to the infant. Famciclovir will not cure herpes, but it can lessen the symptoms of the infections. What Is Famciclovir? Famvir drug interactions in more detail. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital.
Common use

Famvir is an anti-viral medication which after transformation in human organism turns into penciclovir which is active against such viruses as Herpes simplex (types I and II), Varicella zoster, and the Epstein-Barr virus (EBV). Penciclovir penetrates into the cells infected by virus where being subjected to treatment by viral ferments it turns into penciclovir-triphosphate which inhibits replication of viral DNA. The medication has not effect on the non-infected cells. Famvir is active against certain strains of Herpes simplex with changed DNA polymerase which are resistant to Acyclovir (Zovirax). Famvir is administered to treat infections caused by Herpes simplex (types I and II): primal infection, aggravation of the chronic infection, prevention, shingles or chickenpox (Varicella zoster), postherpetic neuralgia, recurrent genital herpes.

Dosage and directions

Take Famvir with or without food. Take each dose with a glass of water. The recommended dose for treatment of recurrent genital herpes is 1,000 mg twice daily during one day. Recurrent cold sores should be treated by 1,500 mg taken as a single dose. To suppress recurrent genital herpes take 250 mg twice daily during 1 year. Treatment of shingles require 500 mg every eight hours for a week. In HIV-infected patients for treatment of cold sores and genital herpes 500 mg of Famvir is taken twice daily for 5-10 days. Do not take Famvir in larger amounts. Follow all recommendations of your doctor.


Do not allow contact of the affected areas with other people. Do not touch your eyes after you touched the affected areas. Wash your hand frequently to avoid spreading of the infection to others.


Famvir is contraindicated in patients hypersensitive to the components of this medication, pregnant and breastfeeding women, children. Correction of the dose and certain cautiousness are needed in treatment of patients with kidney failure.

Possible side effect

The most common side effects are headache, nausea, vomiting, diarrhea, dizziness, allergic reactions. Some adult patients experience mental confusion, hallucinations. In the patients with decreased immunity pain in the stomach, fever symptoms occur.

Drug interaction

No specific interactions are known for this time.

Missed dose

If you forgot to take your dose in time, please do it as soon as you remember. But do not take if it is too late or almost time for your next dose. Do not take double or extra doses. Take your usually dose next day in the same regularly time.


symptoms of Famvir overdose are unknown. If recommendations for treatment of the patients with kidney failure are not observed, acute kidney failure is possible. Seek for immediate medical attention if overdose is suspected.


Store at room temperature between 59-77 F (15-25 C) away from light and moisture, kids and pets. Do not use after expiration term.


We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.


Active Ingredients:

  • Doxycycline

Action mechanism and therapeutic effect of the medication:

Doxycycline is half-synthetic tetracycline antibiotic with a broad spectrum of antibacterial activity. Doxycycline exerts bacteriostatic action associated with suppressing the synthesis of proteins on ribosomes in microbial cell. Doxycycline is active against aerobic gram-positive bacteria Staphylococcus spp, Bacillus anthracis, Listeria monocytogenes; aerobic bacteria:Clostridium spp.

Medical indications: Doxycycline is indicated for the treatment of infections caused by sysceptible microorganisms:

  • ENT infections
  • Gastrointestinal infections
  • Infections of the upper and lower respiratory system
  • Skin and soft tissue infections
  • Urogenital infections
  • Syphilis (when unable to take penicillin)
  • Some respiratory or urinary tract infections (UTIs)
  • Plague
  • Cholera
  • Certain types of pneumonia
  • Chlamydia
  • Rocky Mountain spotted fever
  • Tularemia
  • Typhus fever
  • Tick fever
  • Gonorrhea
  • Lyme disease
  • Anthrax infection treatment
  • Rosacea treatment
  • Gum disease treatment
  • Malaria treatment

Doxycyline contradictions, precautions and warnings:

Doxycycline is contraindicated for use in:

  • Hypersensitivity to doxycycline and other components of the medication
  • Severe liver diseases
  • Severe kidney diseases
  • History of pseudo-membranous colitis
  • Pregnancy (Doxycycline is a pregnancy category D meaning that it can cause significant damage to the fetus)
  • Breastfeeding
  • Frequent yeast infections

Doxycyline side effects:

As with any other drug, side effects can occur with Doxycyline. However, it does not mean that everyone who takes the medicine will experience these adverse effects. In most cases the preparation is well tolerated. The most common Doxycycline side effects include:

  • Decreased appetite
  • Vomiting
  • Stomach pain
  • Heartburn
  • Diarrhea
  • Photo-sensitivity
  • Nausea

If any side effects occur during the treatment make sure to consult your health care provider immediately. If you are unsure about anything related to Doxycyline, please talk to your doctor or pharmacist.

Drug interaction:

Doxycyline can potentially interact with the following groups of drugs:

  • Aluminum, calcium, magnesium, or iron products
  • Bile-acid sequestrant cholesterol drugs
  • Barbiturates
  • Peniccilins
  • Oral typhoid vaccine
  • Birth control pills
  • Anti-diarrheal drug (Bismuth subsalicylate)
  • Bipolar disorder treatment (Carbamazepine)
  • HIV treatment (Maraviroc)
  • Retinoids
  • Blood thinners (Warfarin)
  • ACE inhibitor (Quinapril)
  • Aldosterone antagonist (Eplerenone)
  • Opioid pain killer (Fentanyl)
  • Anticonvulsant (phenytoin)

It is possible that all drug interactions are not presented above. For this reason, we recommend you to talk with your health care provide about drug interactions with Doxycyline which may apply to you.

Additional information for the patients:

The preparation should be taken according to your doctor's recommendations. Never take the drug for conditions which are not presented in the the drug's leaflet. Try to keep the medicine out of the reach of children.