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
Valacyclovir

Valacyclovir

Share

Link copied

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

Dr. Jeff Livingston reviewed this

24 year experience in Obstetrics and Gynecology

Drug Class

Herpes viruses drug

Brands

Valtrex

Side Effects

Common

Fatigue
Dizziness
Abdominal pain
Diarrhea
Fever
Vomiting
Joint pains
Nausea
Headache
Rash
Excessive menstrual cramps

Serious

Aggressive behavior
Delirium
Loss of temper

Treats

Genital herpes
4.4
74 reviews
Brain infection
3.8
10 reviews
Encephalitis
3.2
14 reviews
Herpes
Condition

Related questions

A 35-year old asked:

Is it ok to take expired valacyclovir?

1 doctor answer • 2 doctors weighed in

A 39-year old asked:

What is Valtrex (valacyclovir) used for?

1 doctor answer • 1 doctor weighed in

A 46-year old asked:

How long does valacyclovir take to work?

1 doctor answer • 2 doctors weighed in

A 45-year old asked:

What exactly does Valtrex (valacyclovir) do?

1 doctor answer • 1 doctor weighed in

A 28-year old female asked:

Risks for taking Valtrex (valacyclovir) daily?

3 doctor answers • 4 doctors weighed in

A 31-year old asked:

Will 1 year expired Valtrex (valacyclovir) still work?

1 doctor answer • 2 doctors weighed in

A 28-year old male asked:

Please describe the medication: valtrex (valacyclovir)?

2 doctor answers • 3 doctors weighed in

A 41-year old asked:

Will Valtrex (valacyclovir) still work after 1 expired?

1 doctor answer • 1 doctor weighed in

A 47-year old asked:

What happens when you take expired valtrex (valacyclovir)?

1 doctor answer • 1 doctor weighed in

A 38-year old asked:

What would happenif you take an expired valtrex (valacyclovir)?

2 doctor answers • 3 doctors weighed in

A 39-year old asked:

Is it ok to take Valtrex (valacyclovir) that is 2 years expired?

1 doctor answer • 3 doctors weighed in

A 49-year old asked:

Is Valtrex (valacyclovir) thzt expired 2 yrsago still ok to take?

1 doctor answer • 2 doctors weighed in

A 40-year old male asked:

Would generic Valtrex (valacyclovir) be as good as the real thing?

1 doctor answer • 1 doctor weighed in

A 36-year old female asked about a 36-year old female:

How many times a day should u take the Valtrex (valacyclovir) pill?

1 doctor answer • 1 doctor weighed in

A 47-year old asked:

What can I use instead of Valtrex (valacyclovir) which is too expensive?

2 doctor answers • 2 doctors weighed in

A 38-year old female asked:

What happens if i accidentally take two doses of valacyclovir in one day?

1 doctor answer • 3 doctors weighed in

A 30-year old asked:

Im on Valtrex (valacyclovir) 1mg for 10 days and no result, what can I do?

1 doctor answer • 2 doctors weighed in

A 26-year old female asked:

I took a valacyclovir 500 MG tablet that expired 8/8/15. Will the medicine still be effective?

1 doctor answer • 1 doctor weighed in

A 45-year old female asked:

Is it possible to become resistant to Valtrex (valacyclovir) and it stops working as well as before?

1 doctor answer • 4 doctors weighed in

A 29-year old male asked:

Can taking 500 mg Valtrex (valacyclovir) daily cause more outbreaks if you decide to not take it anymore?

1 doctor answer • 1 doctor weighed in

A 29-year old asked:

Is it ok if I take a lot more Valtrex (valacyclovir) pills now so they'll work faster; or will I overdose?

1 doctor answer • 4 doctors weighed in

A 49-year old asked:

Can the generic version of Valtrex (valacyclovir) (vacyclovier) be as effectives as brand name valtrex (valacyclovir)?

1 doctor answer • 1 doctor weighed in

A 23-year old female asked:

Should i be worried about future problems because i take Valtrex (valacyclovir) everyday? I take 500 every 12 hours. Thanks

2 doctor answers • 2 doctors weighed in

A 25-year old male asked:

I think I might have accidentally taken 2 valacyclovir 1G pills today. Do I have anything to worry about? Thanks in advance?

1 doctor answer • 2 doctors weighed in

A 26-year old female asked:

I take Valtrex (valacyclovir) every day, twice if I feel anything off. Why am I still getting outbreaks & what can I do to stop them?

1 doctor answer • 4 doctors weighed in

A 42-year old asked:

Does valacyclovir work well with lysine?

1 doctor answer • 3 doctors weighed in

A 37-year old asked:

Can Valtrex (valacyclovir) help herpagina?

1 doctor answer • 1 doctor weighed in

A 38-year old female asked:

What happens of i miss a dose of valacyclovir?

1 doctor answer • 1 doctor weighed in

A female asked:

Is mylan valacyclovir hcl1 as effective as valtrex?

1 doctor answer • 2 doctors weighed in

A 38-year old male asked:

Is it OK to take melatonin while taking valacyclovir?

2 doctor answers • 2 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.