Review: could Benadryl cause Serotonin syndrome?
We study 26,370 people who have side effects while taking Benadryl from FDA and social media. Among them, 19 have Serotonin syndrome. Find out below who they are, when they have Serotonin syndrome and more.
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Benadryl (latest outcomes from 29,327 users) has active ingredients of diphenhydramine hydrochloride. It is often used in allergies.
Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time) (latest reports from 34,517 patients) has been reported by people with depression, pain, stress and anxiety, major depression, bipolar disorder.
On Aug, 12, 2014: 26,364 people reported to have side effects when taking Benadryl. Among them, 19 people (0.07%) have Serotonin Syndrome. They amount to 0.06% of all the 34,500 people who have Serotonin Syndrome on eHealthMe.
Time on Benadryl when people have Serotonin syndrome * :
|< 1 month||1 - 6 months||6 - 12 months||1 - 2 years||2 - 5 years||5 - 10 years||10+ years |
|Serotonin syndrome||100.00%||0.00%||0.00%||0.00%||0.00%||0.00%||0.00% |
Gender of people who have Serotonin syndrome when taking Benadryl * :
|Serotonin syndrome||68.42%||31.58% |
Age of people who have Serotonin syndrome when taking Benadryl * :
|Serotonin syndrome||0.00%||0.00%||20.00%||0.00%||13.33%||20.00%||20.00%||26.67% |
Severity of Serotonin syndrome when taking Benadryl ** :
|least||moderate||severe||most severe |
|Serotonin syndrome||0.00%||100.00%||0.00%||0.00% |
How people recovered from Serotonin syndrome ** :
|while on the drug||after off the drug||not yet |
|Serotonin syndrome||0.00%||0.00%||100.00% |
Top conditions involved for these people * :
- Depression (8 people, 42.11%)
- Atrial fibrillation (3 people, 15.79%)
- Insomnia (3 people, 15.79%)
- Ill-defined disorder (3 people, 15.79%)
- Mood swings (2 people, 10.53%)
Top co-used drugs for these people * :
- Zoloft (7 people, 36.84%)
- Seroquel (5 people, 26.32%)
- Geodon (5 people, 26.32%)
- Wellbutrin (4 people, 21.05%)
- Zofran (3 people, 15.79%)
* 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 Serotonin Syndrome
- group for people who take Benadryl
- group for people who have Serotonin Syndrome
Comments from related studies:
From this study (1 week ago):
I am taking an over the counter sleep aid made by boots chemist and have got dryes can the tablets b the reason
From this study (2 weeks ago):
For about four months I am often awakened with tachycardia. No other symptoms. I am able to go back to sleep almost immediately. I have just discontinued Advil pm caplet 1 to see if symptom goes away
From this study (2 weeks ago):
BP ranges 125-130 over 75-87 when getting up prior to meds to 90-50 sometimes in the evening. I am a little stressed and so diphenhydramine helps me sleep along with melatonin. THese are OTC
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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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