Yes, usually: Benadryl (diphenhydramine) lasts 4 to 6 hrs. Loratadine lasts 24hrs.
Answered 5/16/2021
4.8k views
A doctor has provided 1 answer
10 doctors weighed in across 3 answers
2 doctors weighed in across 2 answers
4 doctors weighed in across 2 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