A member asked:

Can like to know if both antihistamine and decongestant thicken mucus?

A doctor has provided 1 answer
Dr. Al Hegab answered

Specializes in Allergy and Immunology

Antihistamines: do dry up secretions, decongestants constrict blood vessels so less blood flows into the area and congestion is relieved, drink plenty of water/fluids while on those drugs, avoid decongestants if having high blood pressure

Answered 3/12/2018

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