Synthroid and Rectal bleeding - from FDA reports


Rectal bleeding is found among people who take Synthroid, especially for people who are female, 60+ old also take medication Lasix, . This review analyzes which people have Rectal bleeding with Synthroid. It is created by eHealthMe based on reports of 140,558 people who have side effects when taking Synthroid from FDA , and is updated regularly.

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On Sep, 21, 2017

140,558 people reported to have side effects when taking Synthroid.
Among them, 77 people (0.05%) have Rectal bleeding

Number of reports submitted per year:

Could Synthroid cause Rectal bleeding?

Gender of people who have Rectal bleeding when taking Synthroid *:

  • female: 89.47 %
  • male: 10.53 %

Age of people who have Rectal bleeding when taking Synthroid *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 1.47 %
  • 30-39: 5.88 %
  • 40-49: 2.94 %
  • 50-59: 22.06 %
  • 60+: 67.65 %

Top co-used drugs for these people *:

  • Lipitor (13 people, 16.88%)
  • Lasix (13 people, 16.88%)
  • Xenical (11 people, 14.29%)
  • Xanax (11 people, 14.29%)
  • Premarin (11 people, 14.29%)

Top other side effects for these people *:

  • Weakness (10 people, 12.99%)
  • Nausea (10 people, 12.99%)
  • Haemoglobin Decreased (10 people, 12.99%)
  • Diarrhea (9 people, 11.69%)
  • Hypotension (8 people, 10.39%)

* Approximation only. Some reports may have incomplete information.

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Do you have Rectal bleeding when taking Synthroid?

Expand the study to include all drugs with the same ingredients

Rectal bleeding and drugs with ingredients of levothyroxine sodium.

Expand the study to include reports from both FDA and eHealthMe

Rectal bleeding and Synthroid from FDA and eHealthMe reports


Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 149,656 users)

Rectal bleeding

Rectal bleeding (bleeding from rectum) has been reported by people with bladder discomfort, hiv infection cdc category a1, fluid retention, esophagitis, allergy to mold - dander - dust (latest reports from 3,189 Rectal bleeding patients).

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