4 doctors weighed in:

Took zyrtec allergy 10 mg with benadryl (diphenhydramine). Is this bad?

4 doctors weighed in
Dr. Michael Fisher
Dermatology
3 doctors agree

In brief: Drug interaction

According to epocrates caution is advised because the combination of zyrtec and Benadryl (diphenhydramine) may increase the risknof CNS depression, psychomotor impairment.

In brief: Drug interaction

According to epocrates caution is advised because the combination of zyrtec and Benadryl (diphenhydramine) may increase the risknof CNS depression, psychomotor impairment.
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