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

When to apply zovirax (acyclovir) to a cold sore?

A doctor has provided 1 answer

5 times a day: You should start applying as soon as possible every 3 hours 5 times a day.

Answered 10/3/2016

5.7k views

Thank

Related Questions

A member asked:

What can trigger frequent cold sore once every 2months? some years I get just one/year but since September I get 1 almost every 2-3 months. For the last year I used Zovirax cream almost daily hoping to prevent them.could this made me more sensitive?

A doctor has provided 1 answer

A member asked:

Took zovirax (acyclovir) for 10 days about two weeks ago & my genital sore cleared. now I have another. do I need to take it everyday? was only given for 10 days

A doctor has provided 1 answer

A member asked:

I applied zovirax (acyclovir) cream to my fever sore and vaseline because it was so dried out. I then touched the corner of my eye about an hour or so later.

3 doctors weighed in across 3 answers

A member asked:

What could be causing whitish thread like substances protruding from the skin of parts of my friend every morning and the later on falling off? She thinks that she accidentally transfered herpes from her sore. She is taking zovirax. What could it be?

A doctor has provided 1 answer

A member asked:

Had a cold sore 7 months ago and left a red mark that wont go away. Been applying acyclovir cream nd taking medication everyday. Will this ever go away And is it still contagious?

A doctor has provided 1 answer

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:

Can I nurse while applying Zovirax (acyclovir) ointment to my lip for treatment of a cold sore?
Should I use zovirax (acyclovir) ointment for a cold sore on my lip?
Is it possible to use zovirax (acyclovir) ointment for a cold sore on my lip?
How effective is releev (benzalkonium chloride) for cold sore treatment compared to zovirax (acyclovir)?
I have a cold sore on my lip can I use Zovirax (acyclovir) ? But the cold sore has a crack. Please help!!

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.