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A member asked:

Can antihistamines taken at 40mg daily for few weeks cause migraines? taking for severe hives

A doctor has provided 1 answer
Dr. Michael Sanders answered

Specializes in Pulmonology

Guess it's possible: I've never heard of that, but I did look up side effects of antihistamines. It can cause a headache, but didn't specifically say migraines.

Dr Fowler agreed

Answered 6/3/2017

671 views

Thank

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Hives urticaria x 3 weeks. Antihistamines and prednisone are moderately effective only with consistent use. Would a skin biopsy help determine cause?

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Hi I was diagnosed with have chronic urticaria, angiodema in 2011. Have had 30 anaphylaxis since I'm take antihistamines, break out in hives daily. Developing lipomas & cysts everywhere. ?

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