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:

Could lysine reduce the healing time for a cold sore?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Yes: Brief supplementation w lysine 1, 000mg orally 3x a day at the onset, can hasten healing.

Answered 2/12/2014

4.5k views

Thank

Related Questions

A member asked:

When im feeling a cold sore coming, is it OK to take lysine supplement with my emergency dose of valtrex( 8 pillsX 2times-12 hours )...?

2 doctors weighed in across 2 answers

A member asked:

How can I get rid of my cold sore faster? Its not a cold sore anymore. Its just a scab. And im taking lysine already. Is there a way i can get rid of it faster?

A doctor has provided 1 answer

A member asked:

Is it safe to take L-lysine pills while breastfeeding to help control cold sore breaks outs?

A doctor has provided 1 answer

A member asked:

I put baking soda, lysine & apple cider vinegar on a cold sore & it swelled up. Did i mess up?

A doctor has provided 1 answer

A member asked:

I have a bad cold sore on my lip so I have taken 2 valacyclovir pills in 24 hours. I have both 86 and 87, unsure how much I should be taking or even which one. I am also using Lysine as a topical ointment. I need it to heal as soon as possible?

3 doctors weighed in across 2 answers

People also searched for:

What can I use to speed healing of a cold sore? I'm using abreva, vitamin C and valtrex, (valacyclovir) will a cold compress and lysine work?
My five years old started with a cold sore for the first time. Is there any medication or treatment for this condition?
Can you let me know how many mg of l-lysine to take for a cold sore?
So i'm curious if i crush up my lysine pill and put it on my cold sore will it speed up the process?
Would it be okay to take some lysine for a cold sore in the mouth?

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.