U.S. doctors online nowAsk doctors free
A 37-year-old female asked:

Spots of dry skin on forearms...itchy...i scratched them..and now they are red welts?

1 doctor answer1 doctor weighed in
Dr. John Chiu
Allergy and Immunology 58 years experience
Dermatographism: When the skin welts up after scratching, it is call dermatographism. Antihistamine often helps control this condition. Sometimes dry skin can cause it as well and you may try applying a moisturizer to the area especially right after bathing to see if this helps.

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

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

Similar questions

United Kingdom (Great Britain)
A 25-year-old female asked:

Why does my skin get red and itchy when it's hot?. I don't have dry skin.

2 doctor answers3 doctors weighed in
Dr. Michael Tomeo
Dermatology 39 years experience
Hives : Some individuals have what is referred to as cholinergic urticaria --- hives brought on my heat. The increased temperature can cause a release of histamine , resulting in itching , redness and swellings (hives).
Last updated Oct 3, 2017

Disclaimer:

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.