Benadryl and Constipation - from FDA reports


Summary

Constipation 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 Zometa, and have Pain . We study 40,660 people who have side effects while taking Benadryl from FDA. Among them, 1,185 have Constipation. Find out below who they are, when they have Constipation and more.

What to expect?

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Benadryl

Benadryl has active ingredients of diphenhydramine hydrochloride. It is often used in allergies. (latest outcomes from Benadryl 44,713 users)

Constipation

Constipation has been reported by people with osteoporosis, pain, high blood pressure, multiple sclerosis, multiple myeloma (latest reports from 135,620 Constipation patients).

On Jan, 28, 2017

40,660 people reported to have side effects when taking Benadryl.
Among them, 1,185 people (2.91%) have Constipation


Number of reports submitted per year:

Could Benadryl cause Constipation?

Time on Benadryl when people have Constipation *:

  • < 1 month: 51.22 %
  • 1 - 6 months: 24.39 %
  • 6 - 12 months: 21.95 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 2.44 %

Gender of people who have Constipation when taking Benadryl *:

  • female: 66.26 %
  • male: 33.74 %

Age of people who have Constipation when taking Benadryl *:

  • 0-1: 0.58 %
  • 2-9: 1.98 %
  • 10-19: 1.52 %
  • 20-29: 3.85 %
  • 30-39: 6.65 %
  • 40-49: 19.02 %
  • 50-59: 19.95 %
  • 60+: 46.44 %

Top conditions involved for these people *:

  • Pain (151 people, 12.74%)
  • Multiple Myeloma (87 people, 7.34%)
  • High Blood Pressure (81 people, 6.84%)
  • Breast Cancer (72 people, 6.08%)
  • Metastases To Bone (69 people, 5.82%)

Top co-used drugs for these people *:

  • Zometa (323 people, 27.26%)
  • Decadron (300 people, 25.32%)
  • Zofran (251 people, 21.18%)
  • Tylenol (248 people, 20.93%)
  • Avastin (212 people, 17.89%)

Top other side effects for these people *:

  • Fatigue (524 people, 44.22%)
  • Nausea (475 people, 40.08%)
  • Pain (395 people, 33.33%)
  • Breathing Difficulty (354 people, 29.87%)
  • Weakness (350 people, 29.54%)

* 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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