Vitamin b12 and Menorrhagia - from FDA reports


Menorrhagia is found among people who take Vitamin B12, especially for people who are 40-49 old also take medication Humira, and have Crohn's disease . We study 24,657 people who have side effects while taking Vitamin b12 from FDA. Among them, 42 have Menorrhagia. Find out below who they are, when they have Menorrhagia and more.

What to expect?

If you take Vitamin b12 and have Menorrhagia, find out what symptoms you could have in 1 year or longer.

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Vitamin B12

Vitamin b12 has active ingredients of cobalamin. It is often used in vitamin b12 deficiency. (latest outcomes from Vitamin b12 25,925 users)


Menorrhagia (an abnormally heavy bleeding and prolonged menstrual period at regular intervals) has been reported by people with birth control, heavy or prolong menstrual bleeding, multiple sclerosis, endometriosis, rheumatoid arthritis (latest reports from 24,197 Menorrhagia patients).

On Feb, 09, 2017

24,657 people reported to have side effects when taking Vitamin B12.
Among them, 42 people (0.17%) have Menorrhagia

Number of reports submitted per year:

Could Vitamin b12 cause Menorrhagia?

Age of people who have Menorrhagia when taking Vitamin B12 *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 3.45 %
  • 30-39: 24.14 %
  • 40-49: 51.72 %
  • 50-59: 17.24 %
  • 60+: 3.45 %

Top conditions involved for these people *:

  • Crohn's Disease (8 people, 19.05%)
  • Pain (6 people, 14.29%)
  • Rheumatoid Arthritis (5 people, 11.90%)
  • Gastrooesophageal Reflux Disease (5 people, 11.90%)
  • Birth Control (5 people, 11.90%)

Top co-used drugs for these people *:

  • Humira (7 people, 16.67%)
  • Vitamin D (6 people, 14.29%)
  • Vitamin C (6 people, 14.29%)
  • Prilosec (4 people, 9.52%)
  • Calcium (4 people, 9.52%)

Top other side effects for these people *:

  • Fatigue (6 people, 14.29%)
  • Rashes (5 people, 11.90%)
  • Pain In Extremity (5 people, 11.90%)
  • Nasopharyngitis (5 people, 11.90%)
  • Fever (5 people, 11.90%)

* 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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