Depends...: On which side-effect, how much you took, & your personal susceptibility. If you took a standard dose for hives, say 10-25 mg, and had sleepiness as a side-effect, expect resolution in 8-24 hours. For more specific answers discuss your concern with your physician or other health care provider.
Answered 6/13/2021
4.9k 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
2 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