Does hypothyroidism cause constipation?

The thyroid helps regulate the pace of many body processes. When it produces too little hormone, intestinal muscles may move stool more slowly. You may notice hard or dry stools, straining, a feeling that the bowel has not emptied, or longer gaps between bowel movements. Constipation can also follow changes in fluids, fibre, activity, medicines, or routine, so this symptom alone cannot identify its cause.

Keep a regular toilet routine and allow enough time without straining. Drink fluids regularly, add fibre gradually through vegetables, fruit, beans, and whole grains, and include gentle movement if you are able. A clinician can review your symptoms, medicines, and thyroid treatment. Do not change thyroid medicine or start a laxative plan without advice, especially if constipation is new or persistent.

Arrange medical advice if constipation continues, keeps returning, or comes with tiredness, feeling unusually cold, dry skin, or changes in weight. Seek urgent care for severe or worsening abdominal pain, repeated vomiting, a swollen abdomen, blood in the stool, or inability to pass stool and gas.

Ask whether thyroid testing is appropriate, whether your current medicine and timing need review, and which bowel measures are suitable for you. Mention when the change began, your stool pattern, other symptoms, and every medicine or supplement you take.