Anticholinergic: Because most first generation Antihistamine including Promethazine have anticholinergic activity and dries up the Bronchial Secretions and can make asthma worse
Answered 10/1/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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