A 17-year-old female asked:
2 days ago got tested for allergies (scratch test) only spots w/reaction were histamine+mold. now there are red spots (not the pricks) itchy, causes?
1 doctor answer • 1 doctor weighed in
Allergy and Immunology 57 years experience
ST reaction: The skin test response to allergen may start within minutes followed by a delayed response from 2-8 hrs later. The delayed reaction may linger for a few days. However the reaction consists usually of a raised wheal and not just redness. Are your red spots raised or flat?
3457 viewsAnswered >2 years ago
Last updated Dec 8, 2014
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