Synthroid and Loose stools - from FDA reports


Loose stools is found among people who take Synthroid, especially for people who are female, 60+ old also take medication Xenical, and have Osteoarthritis. This review analyzes which people have Loose stools with Synthroid. It is created by eHealthMe based on reports of 137,091 people who have side effects when taking Synthroid from FDA, and is updated regularly.

What to expect?

If you take Synthroid and have Loose stools, find out what symptoms you could have in 1 year or longer.

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On Apr, 21, 2017

137,091 people reported to have side effects when taking Synthroid.
Among them, 109 people (0.08%) have Loose Stools

Number of reports submitted per year:

Could Synthroid cause Loose stools?

Gender of people who have Loose Stools when taking Synthroid *:

  • female: 88.07 %
  • male: 11.93 %

Age of people who have Loose Stools when taking Synthroid *:

  • 0-1: 0.0 %
  • 2-9: 0.94 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 3.77 %
  • 40-49: 8.49 %
  • 50-59: 27.36 %
  • 60+: 59.43 %

Top conditions involved for these people *:

  • Osteoporosis (5 people, 4.59%)
  • Osteoarthritis (5 people, 4.59%)
  • Irritable Bowel Syndrome (4 people, 3.67%)
  • Hormone Replacement Therapy (3 people, 2.75%)
  • High Blood Pressure (3 people, 2.75%)

Top co-used drugs for these people *:

  • Xenical (27 people, 24.77%)
  • Prilosec (17 people, 15.60%)
  • Zocor (15 people, 13.76%)
  • Lipitor (13 people, 11.93%)
  • Premarin (12 people, 11.01%)

Top other side effects for these people *:

  • Nausea (35 people, 32.11%)
  • Weakness (21 people, 19.27%)
  • Fatigue (18 people, 16.51%)
  • Constipation (18 people, 16.51%)
  • Steatorrhea (16 people, 14.68%)

* Approximation only. Some reports may have incomplete information.

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.

Do you have Loose stools when taking Synthroid?


Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 145,886 users)

Loose Stools

Loose stools has been reported by people with osteoporosis, rheumatoid arthritis, high blood cholesterol, depression, irritable bowel syndrome (latest reports from 2,381 Loose stools patients).

Browse all side effects of Synthroid

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Drugs that are associated with Loose stools

Loose stools

Could your condition cause Loose stools

Loose stools

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What would happen?

Forecast new side effects and undetected conditions when you take Synthroid and have Loose stools.

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