OK: In general, a non-sedating antihistamine taken together with an older antihistamine isn't a problem. The bigger problem, however, is that one antihistamine is inadequate, and you feel the need to take more. When that's the case, you'll do best by getting evaluated by an allergist.
Answered 9/30/2016
4.8k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
5 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question