Tag: urticaria
Antihistamine Allergies: Understanding Cross-Reactivity and Symptoms to Watch For
Some people experience allergic reactions to antihistamines themselves, worsening symptoms instead of treating them. This rare condition involves paradoxical reactions where the medication triggers urticaria. Cross-reactivity between antihistamine classes complicates diagnosis. Symptoms include worsening hives, rash, or swelling. Proper diagnosis requires specialized testing and management by an allergist.