HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

51 years old recurrent cold sores since fall. had 4 since mid dec (heal 4-5 days)soon as stop 5 days of valtrex (valacyclovir) 500mg twice daily i get another. help?

A doctor has provided 1 answer

Longer treatment: Once the virus is established , it is often necessary to treat for a long time. Fortunately, the medicine is usually well tolerated.

Dr Sherris agreed

Answered 1/29/2014

4.5k views

Thank

Related Questions

A member asked:

I started taking 2 Valtrex (valacyclovir) tablets 1000mg for my cold sores last night. I am about to take the last 2 pills. When will the sores go away?

A doctor has provided 1 answer

A member asked:

How long are cold sores contagious after taking valtrex (valacyclovir)?

A doctor has provided 1 answer

A member asked:

Is valacyclovir hcl 1 as effective as valtrex for cold sores taken at the first sign?

A doctor has provided 1 answer

A member asked:

How will I know if I'm having a ghsv1 outbreak on daily Valtrex (valacyclovir)? Won't it get rid of or greatly lessen symptoms?

4 doctors weighed in across 2 answers

A member asked:

I have 2 cold sores- I took Valtrex (valacyclovir) but they are still there. I feel pain on the right side of my neck. Do I need meds or will it eventually go away?

2 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I'm a 49 year old bisexual man. My new boyfriend, same age, has herpes. My boyfriend got them in his 20s and is on valtrex. if we use a condom and I also take valtrex am I safe? I've taken valtrex before for cold sores, I get 1 a year now?
I have hsv2. I lay in bed with fever and body aches 2-3 days a month. Valtrex (valacyclovir) makes my hair fall out. I feel like death. Will these experiences stop?
Past 6 mths, hsv-1. Been on Valtrex (valacyclovir) 500mg 2x/day, now aciclovir 400mg 3x/day. Meds not helping suppress daily sores. Is breastfeeding activating it?
How effective is Valtrex (valacyclovir) for cold sores?
Is there anything better than Valtrex (valacyclovir) for cold sores?

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
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.