Dermatographism: Some people get hives when the skin is scratched. This results in linear welts and itching that lasts 1-2 hours. Most cases are not associated with any conditions, but it can be associated with other conditions.
Answered 5/14/2013
5.1k views
9 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question