Get Virtual Care
For Businesses
About Us
A member asked:
I am about to take an antihistamine for the first time but my friends tell me to use it before bedtime. will i still feel the effects the next day?
A doctor has provided 1 answer
Depends on the med: Some antihistamines are more sedating than others. Medications like Benadryl (diphenhydramine) can definitely cause sedation. Newer antihistamines like Allegra and Claritin are non-sedating and Zyrtec is sedating in roughly 10-20% of patients.
Answered 3/1/2018
3.8k views
Thank
Related Questions
A member asked:
What is the highest dosage of antihistamine that one person can take at one time?
7 doctors weighed in across 2 answers
A member asked:
Is it safe to take two 24-hour antihistamine pills at the same time?
A doctor has provided 1 answer
A member asked:
If i take an antihistamine, would this stop an allergic reaction? (if taken 30mins/1hr beforehand with enough time to take effect)
A doctor has provided 1 answer
A member asked:
Last night I took a generic brand of zyrtek..which contains Cetrizine, Hydrochloride & Antihistamine. May I still take Dayquil this morning?
A doctor has provided 1 answer
A member asked:
Can you tell me if i could take two antihistamines at once?
A doctor has provided 1 answer
People also searched for:
Can you tell me how many antihistamines can you take per day ?
I am suffering from maxillary sinitius from last one month. My doctor told me to use antihistamine nasal spray 2 time a day. But sometime I do not feel the need of taking it, should I take it or not. Can I use it for 2 weeks?
I have nasal congestion and little allergic on my thort but no pain about 14 days.no cough probably no fever but little hot to touch 2/3 times a day.i take antihistamines.does covid 19 symptoms worsen day by day?I did not go out about 14 days.
What is the best time to take an antihistamine?
How many milligrams of antihistamine can a person take at one time?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
