Review: could Benadryl cause Serotonin syndrome?
Summary: Serotonin syndrome is found among people who take Benadryl, especially for people who are female, 60+ old, have been taking the drug for < 1 month, also take medication Zoloft, and have Depression.
We study 26,437 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.
You are not alone: join a support group for people who take Benadryl and have Serotonin syndrome >>>
Benadryl has active ingredients of diphenhydramine hydrochloride. It is often used in allergies. (latest outcomes from 29,401 Benadryl users)
Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time) has been reported by people with depression, pain, stress and anxiety, major depression, bipolar disorder. (latest reports from 6,559 Serotonin syndrome patients)
On Mar, 28, 2015: 26,437 people reported to have side effects when taking Benadryl. Among them, 19 people (0.07%) have Serotonin Syndrome.
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.
Get connected: join our support group of benadryl and serotonin syndrome on
Do you have Serotonin Syndrome while taking Benadryl?
You are not alone! Join a support group on :
- support group for people who take Benadryl and have Serotonin Syndrome
- support group for people who take Benadryl
- support group for people who have Serotonin Syndrome
Drugs in real world that are associated with:
Could your condition cause:
Recent Benadryl related drug comparison:
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.
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
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