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

Do tb skin tests leave scars for lifetime or they disappear aftr some time? do they disappear only for negative cases or disappr in positive cases too

A doctor has provided 1 answer
Dr. Richard Zimon answered

Specializes in Internal Medicine

Usually TB tests: do not leave scars however a rare highly positive test can lead to minor skin damage and a "reminder" (scar) never to have another TB test again!!! (The first "positive" especially the "severe" ones should result in TREATMENT with anti-TB medication (INH) Hope this helps! Dr Z

Answered 8/13/2016

1.1k views

Thank
Show 1 more comment

Related Questions

A member asked:

If you have a TB skin test and it turns a little red and looks like a bug bite is this a positive or negative test?

A doctor has provided 1 answer

A member asked:

What do you suggest if my previous TB skin test while negative while current is positive?

A doctor has provided 1 answer

A member asked:

I had positive result with the skin test for TB, but it was negative for the X-Ray. Do I get latent TB?

A doctor has provided 1 answer

A member asked:

If I had a positive TB skin test but a negative xray do I need medication? My doctor didn't say I did

A doctor has provided 1 answer

A member asked:

Is it okay to donate blood if i had a positive TB skin test but negative chest x-ray?

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 a TB skin test leave a permanent red scar? It's been a weak and the skin is still red. When should she start worrying about the scar permanency?
On TB treatment.all liver function tests normal except GGT high at 70. Skin allergy appeared 2d ago too. Dr asked to continue treatment. Is that ok?
I have a small oval patch of skin on my upper arm, it is where my old TB scar is, The patch is noticeable & scaly, lighter in colour than my skin.
Negative TB skin, but positive blood test, what's wrong?
What does it mean if I have a negative TB skin test yet a positive blood one?

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.