Review: could Benadryl cause Atrial fibrillation?
We study 26,366 people who have side effects while taking Benadryl from FDA and social media. Among them, 397 have Atrial fibrillation. Find out below who they are, when they have Atrial fibrillation and more.
Stay connected: join a mobile support group for people who take Benadryl and have Atrial fibrillation >>>
Benadryl (latest outcomes from 29,327 users) has active ingredients of diphenhydramine hydrochloride. It is often used in allergies.
Atrial fibrillation (fibrillation of the muscles of the atria of the heart) (latest reports from 389,402 patients) has been reported by people with high blood pressure, osteoporosis, rheumatoid arthritis, diabetes, multiple myeloma.
On Aug, 15, 2014: 26,364 people reported to have side effects when taking Benadryl. Among them, 404 people (1.53%) have Atrial Fibrillation. They amount to 0.10% of all the 397,878 people who have Atrial Fibrillation on eHealthMe.
Time on Benadryl when people have Atrial fibrillation * :
|< 1 month||1 - 6 months||6 - 12 months||1 - 2 years||2 - 5 years||5 - 10 years||10+ years |
|Atrial fibrillation||74.29%||20.00%||2.86%||0.00%||0.00%||2.86%||0.00% |
Gender of people who have Atrial fibrillation when taking Benadryl * :
|Atrial fibrillation||55.73%||44.27% |
Age of people who have Atrial fibrillation when taking Benadryl * :
|Atrial fibrillation||0.00%||0.00%||0.27%||5.32%||1.33%||8.78%||14.63%||69.68% |
Severity of Atrial fibrillation when taking Benadryl ** :
|least||moderate||severe||most severe |
|Atrial fibrillation||0.00%||50.00%||0.00%||50.00% |
How people recovered from Atrial fibrillation ** :
|while on the drug||after off the drug||not yet |
|Atrial fibrillation||50.00%||0.00%||50.00% |
Top conditions involved for these people * :
- Pain (36 people, 8.91%)
- Insomnia (33 people, 8.17%)
- Nausea (28 people, 6.93%)
- Constipation (21 people, 5.20%)
- Depression (21 people, 5.20%)
Top co-used drugs for these people * :
- Aspirin (140 people, 34.65%)
- Lasix (126 people, 31.19%)
- Coumadin (97 people, 24.01%)
- Ativan (89 people, 22.03%)
- Digoxin (88 people, 21.78%)
* Approximation only. Some reports may have incomplete information.
** Reports from social media are used.
How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.
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Get connected! Join a mobile support group:
- group for people who take Benadryl and have Atrial Fibrillation
- group for people who take Benadryl
- group for people who have Atrial Fibrillation
Comments from related studies:
From this study (3 months ago):
Excessive use of Benedryl as well as Imodium
From this study (2 years ago):
Richard Augello on Apr, 22, 2012:
Could Benadryl Allergy Liquigels cause A-FIB? I have a history of A-Fib and am on meds for it. My allergies are in full force so I started taking benadryl for the past few days, 1 or 2 liqui gels a day and this morning I went into A-fib.
Lady from NJ on Jan, 24, 2013:
I am a 57 year old lady from NJ. Never had any issues with my heart EVER till I took two Benedryl the other night and woke up in the morning with Atrial Fibrullation - heart beating 610 beats per minute, had to check into emergency room and the problems that ensued were horrible.
This stuff is DANGEROUS and it definitely CAUSED the ATRIAL FIBRULLATION however you spell it.
From this study (3 years ago):
Amy on Dec, 20, 2011:
Took Benadryl with my Multaq last night, had heart issues a-fib type arythmias.... Different from any other heart arythmia ever experienced before... corrected with Metaplol.
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On eHealthMe, Benadryl (diphenhydramine hydrochloride) is often used for allergies. Find out below the conditions Benadryl is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.
What is Benadryl used for and how effective is it:
Other drugs that are used to treat the same conditions:
Could it be a symptom from a condition:
Drugs in real world that are associated with:
Could your condition cause it?
NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.
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