1 doctor weighed in:
Is there any side effects when you take antihistamines for a longer period than a month?
1 doctor weighed in

Dr. Lee Perry
Internal Medicine - Allergy & Immunology
In brief: Unlikely
Antihistamines are generally safe to take for prolonged periods of time, as long as you're taking the proper dose.
These medicines are notorious for causing drowsiness, although some over the counter antihistamines are non-drowsy.

In brief: Unlikely
Antihistamines are generally safe to take for prolonged periods of time, as long as you're taking the proper dose.
These medicines are notorious for causing drowsiness, although some over the counter antihistamines are non-drowsy.
Dr. Lee Perry
Dr. Lee Perry
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