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A member asked:
Should i take benadryl (diphenhydramine) before exercising to try and prevent exercise induced extremely itchy painful hives all over my body and sore throat?
A doctor has provided 1 answer
No: Benadryl (diphenhydramine) can be too sedating. Take zyrtec, Allegra or Claritin every morning for 2 or 3 weeks and see if the regular use of one of these meds will prevent it. If it continues, see an allergist and/or dermatologist.
Answered 11/28/2017
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