HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Atrial fibrillation..can i take benadryl (diphenhydramine) antihistamine or could it make it worse?thanks

A doctor has provided 1 answer
Dr. Al Hegab answered

Specializes in Allergy and Immunology

Caution: With your health conditions you have to be very cautious with drugs, given your history too, please call your doctor and don't self medicate, unless it is a true emergency and you get minimal effective dose, good that you are asking, wish you wellness

Answered 5/2/2018

1.2k views

Thank

Related Questions

A member asked:

Will over-the-counter antihistamines like Benadryl (diphenhydramine) have any bad interactions with ssris like zoloft?

A doctor has provided 1 answer

A member asked:

Is it possible to be allergic to more than one antihistamine? Not the fillers in the pills but the medicene itself. Hives from Benadryl (diphenhydramine) and xyzal?

A doctor has provided 1 answer

A member asked:

Can you develop a reaction to antihistamines like Benadryl (diphenhydramine). I have been taking it for a few days and little red bumps are forming on my cheeks?

A doctor has provided 1 answer

A member asked:

What is the best antihistamine for adjunct therapy to treat anaphylaxis (of course after epi... Injection vs pills ex: Atarax or Benadryl (diphenhydramine)?

A doctor has provided 1 answer

A member asked:

Have you ever heard of anyone w/true allergy to benadryl (diphenhydramine)? Would this allergy be likely to turn serious? How can someone be allergic to antihistamines?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Can I take Benadryl (diphenhydramine) with another antihistamine? Thanks in advance.
I seem to have developed an allergy to our new dogs. Tried several antihistamines but Benadryl (diphenhydramine) works best. Can i take on a regular basis?
What amount of does take to get high off of diphenhydramine hci/antihistamine and how long does it take to kick in?
If diphenhydramine is a sleeping pill and an antihistamine, then why is it safe to take daily for allergy but not when insomnia is the issue?
Is there any other antihistamines that have as strong of or stronger anti allergic properties than benadryl (diphenhydramine)?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
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 question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
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.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.