Get Virtual Care
  • Primary Care
  • Urgent Care
  • FAQs
  • Support Center
For Businesses
  • Direct Primary Care for Organizations
  • For DMEs and Pharmacies
  • For Health Plans
  • For Providers
About Us
  • Who We Are
  • Why HealthTap
  • Our Standards
  • Contact
Log in
Book a video appointment
Book now
  • Get Virtual Care

    • Primary Care
    • Urgent Care
    • FAQs
    • Support Center
  • For Businesses

    • Direct Primary Care for Organizations
    • For DMEs and Pharmacies
    • For Health Plans
    • For Providers
  • About Us

    • Who We Are
    • Why HealthTap
    • Our Standards
    • Contact
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Overview
Side Effects
Treats
Related questions
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Medications
Famciclovir

Famciclovir

Share

Link copied

Famciclovir is a herpes viruses agent which is a kind of anti-viral drug (antibiotic and antimicrobial).

Dr. Geoffrey Rutledge reviewed this

39 year experience in Internal Medicine

Drug Class

Herpes viruses drug

Brands

Famvir • Ciplafam

Side Effects

Common

Passing gas
Fatigue
Diarrhea
Flatulence
Headache
Itching or burning
Itchy rash
Vomiting
Nausea
Numbness or tingling
Paresthesia
Itchy skin

Serious

Hallucinations
Delirium

Treats

Genital herpes
4.2
125 reviews
Herpes
Condition

Related questions

A 30-year old asked:

Can I cut famciclovir in half?

2 doctor answers • 6 doctors weighed in

A 64-year old female asked:

What are the indications for famciclovir?

1 doctor answer • 4 doctors weighed in

A 39-year old asked:

Worried about the medicine famvir (famciclovir)?

1 doctor answer • 4 doctors weighed in

A 38-year old asked:

Whats an alternative to famvir (famciclovir) 500mg?

1 doctor answer • 3 doctors weighed in

A 20-year old female asked:

I've been prescribed famciclovir 3 times a day. How many hours should be between each time I take the medicine?

1 doctor answer • 9 doctors weighed in

A 48-year old asked:

Is famciclovir an antibiotic?

2 doctor answers • 4 doctors weighed in

A 35-year old asked:

Famvir (famciclovir). Is this an antibiotic?

3 doctor answers • 8 doctors weighed in

A 36-year old asked:

Will famciclovir (famvir) affect blood sugar?

2 doctor answers • 7 doctors weighed in

A 41-year old asked:

Is it ok to cut famciclovir in half to swallow?

1 doctor answer • 2 doctors weighed in

A 30-year old asked:

What is a cheaper alternative medicine to famciclovir (famvir tablets)?

1 doctor answer • 3 doctors weighed in

A 47-year old asked:

Is famvir (famciclovir) effective for cold sores?

1 doctor answer • 3 doctors weighed in

A 44-year old asked:

Acyclovir and famvir, (famciclovir) can I take both?

1 doctor answer • 5 doctors weighed in

A 33-year old asked:

What are side effects to look for when starting famciclovir for cold sores?

1 doctor answer • 3 doctors weighed in

A 28-year old female asked:

Im in 10 DPO & still bfn.I catch shingel and dr gave me famciclovir.As its not severe and if i be pregnant its better to take famciclovir or not ?

2 doctor answers • 2 doctors weighed in

A 42-year old asked:

Diarrhea. Famvir (famciclovir) side effects or false alarm?

1 doctor answer • 2 doctors weighed in

A 20-year old female asked:

Is vaginal dryness and itchyness a side effect from Famciclovir 500mg?

1 doctor answer • 2 doctors weighed in

A 44-year old male asked:

Been on famciclovir 250mg for 4 days. Still open sores and "moving" er?

1 doctor answer • 2 doctors weighed in

A 44-year old asked:

Can you drink alcohol whiled taking famvir famciclovir for shingles?

2 doctor answers • 6 doctors weighed in

A 27-year old female asked:

What's the best antiviral for HSV of these three: acyclovir, famciclovir or valacyclovir? And why? How to know which type of HSV a person has? Help!

1 doctor answer • 1 doctor weighed in

A 77-year old male asked:

Severe constipation due to possible drug interaction. Am taking famciclovir 500mg, Gabapentin 600mg and benzonatate 100 mg?

3 doctor answers • 4 doctors weighed in

A 32-year old male asked:

I just finished a 6 day treatment (Famciclovir) for herpes zoster and i feel fine just small fatigue but i cannot smell or taste anything. how come?

1 doctor answer • 1 doctor weighed in

A 34-year old female asked:

Dr prescription famciclovir & mupirocin. Culture shows negative 4 staph. I've been putting this in my nose per doc but it specifically says not to. Is it ok to?

2 doctor answers • 2 doctors weighed in

A 36-year old asked:

The cheapest place to get Valtrex (valacyclovir) or famvir?

1 doctor answer • 1 doctor weighed in

A 36-year old asked:

What's best for herpes 2 Valtrex (valacyclovir) or acyclovir or famvir?

1 doctor answer • 5 doctors weighed in

A 40-year old asked:

Which of these Valtrex (valacyclovir) or acyclovir and famvir pill doesn't block my dilantin?

1 doctor answer • 3 doctors weighed in

A 26-year old female asked:

Currently on 50mg Doxycycline for 6 weeks and my skins so much worse. I am also taking Famvir (anti-viral) medication and a Zinc Supplement. Do i need to stop taking the Zinc + Famvir for the Doxy to work correctly and QUICKLY??

1 doctor answer • 2 doctors weighed in

A 34-year old female asked:

Am I dying?

2 doctor answers • 2 doctors weighed in

A 19-year old asked:

Am I dying?

2 doctor answers • 2 doctors weighed in

A 37-year old female asked:

Im a nurse?

1 doctor answer • 1 doctor weighed in

A 22-year old female asked:

I have cold?

2 doctor answers • 5 doctors weighed in

HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited

For Businesses

Direct Primary Care for OrganizationsFor DMEs and PharmaciesFor Health PlansFor Providers

Company

About UsSupport CenterContact Us

Health Content

Health TopicsDoctor Q&A by Specialty

Join Us

For DoctorsJobs
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.