A member asked:

Are anti histamines immunosuppressants? like, will taking claritin for my allergies suppress my immune response if i get sick?

6 doctors weighed in across 2 answers
Dr. Sue Ferranti answered

Specializes in Internal Medicine

Antihistamines do not decrease antibodies-they decrease the amount of histamine which causes allergic symptoms. Taking Claritin will not decrease your immune response if you get sick-but, it will allow you to feel better during your allergy season. Best of luck to you!!

Answered 4/10/2021

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Not aware of any OTC or prescription anti-histamine that has even immunomodulator effect, and the OTC Claritin is safe and effective for allergic rhinitis/ sinusitis. No need to worry about your immune system.

Answered 4/12/2021

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