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
HealthTap
Telehealth
A member asked:

Mouth herpes-- how long does valacyclovir take to work?

A doctor has provided 1 answer
Dr. Valentin Drezaliu answered

1 day: You should start feeling better within 1 day if you took it properly( at the onset of symptoms).

Dr Singh and another doctor agreed

Answered 5/9/2013

5.8k views

Thank

Related Questions

A member asked:

Woman I am involved with has herpes over 20 years, takes valtrex (valacyclovir). How safe are we if we start having sex?

5 doctors weighed in across 2 answers

A member asked:

Just found out I hVe herpes. Have valtrex (valacyclovir). How often to take it. Can stress cause breakouts! Help!!!!!!!!!!!

A doctor has provided 1 answer

A member asked:

How often should I take a daily 500 mg Valtrex (valacyclovir) tab for general herpes' suppressive therapy? Rest of my life? Only w a partner? Never?

A doctor has provided 1 answer

A member asked:

W/ genital herpes, a gyno said take 500mg Valtrex (valacyclovir) every day forever to protect my partner; another said taking it my whole life is bad. What to do...?

A doctor has provided 1 answer

A member asked:

I take herpes pill called valacyclovir. Once every morning, I accidentally took it at night should I be worried or no? First time taking it twice... I don't know if I should be worried or okay??

A doctor has provided 1 answer

People also searched for:

Its been 9 weeks since herpes blister appeared on my lip. The blister is gone but redness remains. Am I still contagious? Taking Valtrex (valacyclovir) for herpes
I have Herpes Type II. For a month now Ive had tingling & burning sensation & lip quivering on my upper lip but no cold sore has appeared. Ive taken valacyclovir 1 g for 14 days but has not relieved symptoms Am I having an outbreak? Or something else
I have had a white painful line in my mouth for almost a year been to multiple doctors but it remains a mystery I have herpes 1 and 2 so rheumatologist has been treating me with Valtrex and gabapentent but almost a year later and it is now spreading to th
If you are not having any symptoms of herpes do you have to continue to take Valtrex (valacyclovir) everyday?
Can i take Valtrex (valacyclovir) for a herpes outbreak while pregnant? This is not my first outbreak I have had this for 6 years with 1 to 2 outbreaks per year.

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
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.