A member asked:

What happens to the mucus in throat and lungs after taking a strong antihistamine like diphenhydramine? feels like it really dries everything up great

2 doctors weighed in across 2 answers

Dr. John Chiu answered

Yes: Antihistamine, especially the older ones like Benadryl (diphenhydramine) has a drying effect due to its anticholinergic action. For the nose , it is fine but for the lungs not so good.

Answered 9/16/2014

3.7k views

Thank

Dr. Murray Grossan answered

Mucous: After taking an antihistamine, there is simply less secretion made or secreted. see www.grossaninstitute.com for mechanism.

Answered 9/16/2014

3.7k views

Thank

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A member asked:

What happens to the mucus in throat and lungs after taking a strong antihistamine like diphenhydramine? feels like it really dries everything up great

2 doctors weighed in across 2 answers

Dr. John Chiu answered

Dr. Murray Grossan answered

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