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Review: could Benadryl cause Tachycardia?

Summary: Tachycardia could be caused by Benadryl, especially for people who are female, 60+ old, have been taking the drug for < 1 month, also take Ativan, and have Pain.

We study 26,326 people who have side effects while taking Benadryl from FDA and social media. Among them, 621 have Tachycardia. Find out below who they are, when they have Tachycardia and more.

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Benadryl

Benadryl (latest outcomes from 29,278 users) has active ingredients of diphenhydramine hydrochloride. It is often used in allergen.

Tachycardia

Tachycardia (a heart rate that exceeds the range of 100 beats/min) (latest reports from 260,715 patients) has been reported by people with high blood pressure, depression, schizophrenia, pain, acupuncture and pain.

On Apr, 10, 2014: 26,199 people reported to have side effects when taking Benadryl. Among them, 621 people (2.37%) have Tachycardia. They amount to 0.24% of all the 259,963 people who have Tachycardia on eHealthMe.

Trend of Tachycardia in Benadryl reports

Time on Benadryl when people have Tachycardia * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ years
Tachycardia82.00%16.00%0.00%0.00%0.00%0.00%2.00%

Gender of people who have Tachycardia when taking Benadryl * :

FemaleMale
Tachycardia63.28%36.72%

Age of people who have Tachycardia when taking Benadryl * :

0-12-910-1920-2930-3940-4950-5960+
Tachycardia1.05%4.72%4.55%7.17%11.71%20.80%19.23%30.77%

Severity of Tachycardia when taking Benadryl ** :

leastmoderateseveremost severe
Tachycardia0.00%33.33%50.00%16.67%

How people recovered from Tachycardia ** :

while on the drugafter off the drugnot yet
Tachycardia20.00%20.00%60.00%

Top conditions involved for these people * :

  1. Pain (54 people, 8.70%)
  2. Breast cancer (28 people, 4.51%)
  3. Crohn's disease (25 people, 4.03%)
  4. Depression (20 people, 3.22%)
  5. Breast cancer metastatic (20 people, 3.22%)

Top co-used drugs for these people * :

  1. Ativan (138 people, 22.22%)
  2. Decadron (116 people, 18.68%)
  3. Zofran (113 people, 18.20%)
  4. Tylenol (98 people, 15.78%)
  5. Albuterol (84 people, 13.53%)

* 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.

Related topic: Benadryl, Tachycardia

You can also:

On eHealthMe, Benadryl (diphenhydramine hydrochloride) is often used for allergen. 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?

Comments from related studies:

  • From this study (2 years ago):

  • The length of time I've struggled with sleep disorders has resulted in higher than normal Benadryl usage, but I wake up every day (after only a few hours of sleep) with my ears feeling plugged now. Benadryl is the only thing I have found to relieve the pressure, increasing my usage of the drug even more.

    Reply

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