Get famciclovir (generic for Famvir) online prescriptions for herpes

Get convenient and affordable famciclovir prescriptions available for same-day pickup at your pharmacy. Famciclovir is a prescription antiviral medication used for the treatment of symptoms caused by various forms of herpes. Talk to a health care provider on Sesame to start treatment right away.

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Product Overview

Famciclovir (generic for Famvir)

  • What is famciclovir?
    Famciclovir is a prescription antiviral medication used for the treatment of symptoms caused by herpes zoster–also known as shingles. It is also prescribed as a treatment for recurring outbreaks of herpes cold sores (herpes labialis) and genital herpes. Additionally, famciclovir is prescribed to patients managing human immunodeficiency virus (HIV) as a treatment for viral infections of the mucus membranes (the lips and mouth) and genitals.

    Talk to your doctor about whether famciclovir is right for you.

  • What are the most common side effects of famciclovir?
    Famciclovir has been shown to cause adverse side effects in some patients. If these reactions become severe or do not go away after a day or two, seek medical attention right away.


The most common side effects of famciclovir use include:

  • Stomach pain
  • Gas
  • Nausea
  • Diarrhea
  • Vomiting
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Medically Reviewed By Dr. Allison Edwards, MD

Frequently asked questions about famciclovir

Famciclovir is a prescription antiviral medication used for the treatment of symptoms caused by herpes zoster–also known as shingles. It is also prescribed as a treatment for recurring outbreaks of herpes cold sores (herpes labialis) and genital herpes. Additionally, famciclovir is prescribed to patients managing human immunodeficiency virus (HIV) as a treatment for viral infections of the mucus membranes (the lips and mouth) and genitals. While famciclovir cannot cure herpes, it can help reduce symptoms and prevent recurring outbreaks.

Famciclovir is available under its generic drug name or under the brand name Famvir. It is only available via prescription.

Famciclovir is used to treat various types of herpes infections. This includes herpes zoster (shingles), genital herpes, and cold sores. This drug is prescribed to patients with healthy immune systems and patients who have been diagnosed with HIV.

Shingles, also known as herpes zoster, is a viral infection that causes an outbreak of a painful rash or blisters on the skin. Shingles can appear anywhere on the body but commonly occur as a single stripe on one side of the body. The infection is caused by the same virus - the varicella-zoster virus- that causes chickenpox. Once you’ve had chickenpox as a child, the virus stays dormant in your nervous system even after you’ve recovered. Years later, the virus can reactivate and travel through nerve pathways, causing shingles.

Common symptoms of shingles include:

  • Burning pain, itching, or tingling in the affected area of the skin
  • A red rash, usually occurring in a single stripe
  • Fluid-filled blisters that break open and scab over
  • Fever
  • Headaches
  • Fatigue
  • Chills
  • Nausea

Genital herpes is a common sexually transmitted infection (STI) caused by the herpes simplex virus (HSV), which can reactivate many times in a year. Genital herpes is most commonly spread via sexual contact. Symptoms of genital herpes include pain, itching, and lesions (abnormal skin tissue) in the genital region, or you may not show any symptoms at all. The virus will usually produce sores at the initial point of entry. By touching the sore and then rubbing or scratching another part of your body, including your eyes, you can spread the virus to other parts of your body. If you have been infected by genital herpes, it is important to know that you may be contagious even if you show no symptoms.

Cold sores - also known as oral herpes or herpes labialis - are small fluid-filled blisters that appear on or around the lips. Cold sores are caused by the herpes simplex virus type 1 (HSV-1). This viral infection is spread through skin-to-skin contact (like a kiss) or through saliva.

The fever blisters that result from an HSV-1 infection will often occur in clusters in what’s called a cold sore outbreak. These small lesions will break open and leave a crusted-over scab on and around the lips. The healing time for these breaks is usually about 2-3 weeks.

Once you’ve been infected by the herpes simplex virus, you cannot get rid of it. The virus will stay dormant for weeks or months at a time and will only reappear during an outbreak or flare-up. Herpes infections are contagious even if sores aren’t present.

Famciclovir belongs to a classification of medications known as antivirals. These drugs work by limiting the virus’ ability to replicate within your body and infect healthy cells. By fighting the spread of the virus, famciclovir reduces the risk of future outbreaks. When taken to treat existing outbreaks, famciclovir may help reduce pain and itching caused by herpes sores, as well as aid with the healing of these sores.

Famciclovir has been shown to cause some adverse side effects. Talk to your health care provider if these side effects become severe, or do not go away within a few days.

Common symptoms reported while taking famciclovir include:

  • Stomach pain
  • Gas
  • Nausea
  • Diarrhea
  • Vomiting
  • Fatigue
  • Headache
  • Heavy menstrual bleeding
  • Cramps

More serious side effects include:

  • Rash
  • Itching
  • Pain or tingling in the hands or feet
  • Confusion
  • Hives
  • Mood changes
  • Hallucinations

Seek medical attention right away if you begin to notice any of these symptoms. These are signs of a serious adverse reaction and medical treatment is required.

As with all prescription medication, inform your doctor of any medical conditions you are currently managing. Tell them about any and all medication, prescription drugs, and supplements you are taking before starting treatment with famciclovir. This medication can interact with substances in the body, causing potentially serious adverse reactions.

Let your provider know if you have or have had HIV, AIDS, or lactose intolerance. You should also inform your provider if you have or have had heart, liver, or kidney disease.

Famciclovir can cause drowsiness. Because of this, you should not operate a motor vehicle or heavy machinery until you know how this medication affects you.

Finally, let your doctor know if you are pregnant or plan on becoming pregnant before starting treatment with famciclovir. If you become pregnant while taking this medication, inform your health care provider immediately.

Famciclovir is commonly supplied as an oral tablet. The specific dosage and form of famciclovir ordered by your health care provider will depend on your condition, age, and body weight. Take this medication exactly as ordered. Do not increase or discontinue the dosage without consulting with your health care provider first.

It is generally recommended that you take famciclovir as soon as you start noticing the signs of a herpes outbreak. These signs may include pain, burning, or blisters in the affected area.

Keep all medication bottles out of reach of small children, and at room temperature. Avoid exposing the medication to excess heat or moisture.

If you begin to notice any adverse side effects like those listed above, notify your health care provider immediately.

If you miss a dose of famciclovir, take it as soon as you can. If it’s nearly time for your next dose, skip the missed dose and take your regularly scheduled dose. Do not take a double dose of famciclovir. Famciclovir can be taken with or without food.

Famciclovir is currently only available via prescription. This means that a licensed health care provider must authorize the use of this medication.

If you are looking for a prescription, doctors on Sesame can write a prescription–or refill an existing one–during a virtual or in-person visit. Note that not all drugs can be prescribed via an online video appointment. In some cases, an in-person doctor visit is required for a prescription.

Depending on the medication, you can arrange for same-day pickup at your pharmacy. Book an appointment with a provider on Sesame today to discuss whether or not famciclovir is right for you.

Note that all prescriptions are at the discretion of your health care provider. Sesame cannot guarantee that you will be provided a prescription after a video or in-person appointment. Providers on Sesame are unable to prescribe controlled substances. For more information about controlled substances, check out the Drug Enforcement Agency’s scheduling guidelines here.

Good news! If deemed clinically appropriate, providers on Sesame can write a prescription for famciclovir to be picked up near you – often within the same day! Simply talk to a clinician and get your online doctor prescription or refill ordered right away for fast and convenient pickup from a pharmacy of your choice.

Note that all prescriptions are at the discretion of your healthcare provider.

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