A 34-year-old female asked:
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got a methylprednisone shot today, but it isn't working. woke up with severe allergies. how much benedryl can i take?

1 doctor answer
Dr. Jeffrey Juchau
33 years experience Family Medicine
Allergies: you have to give the steroids some time to work. It isn't instantaneous. Benadryl (diphenhydramine) can be taken at a dose of 25-50 mg every 6 hours. However, newer antihistamines are less sedating such as Zyrtec and Claritan.
Answered on Oct 22, 2014
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