Does the thyroid affect bowel movements?
Andrew Mccoy
Updated on January 04, 2026
Can low thyroid cause bowel problems?
Digestive symptoms of an underactive thyroid can include dyspepsia (chest pain), low stomach acid, poor absorption, constipation, gallstones, anemia and bacterial overgrowth in the small intestine. The thyroid gland can have a significant impact on the gastrointestinal system.Does underactive thyroid affect bowels?
Hypothyroidism, or low levels of thyroid hormone, can have many effects on your health, including your bowel movements.What are early warning signs of thyroid problems?
7 Early Warning Signs of Thyroid Issues
- Fatigue.
- Weight gain.
- Weight loss.
- Slowed heart rate.
- Increased heart rate.
- Sensitivity to heat.
- Sensitivity to cold.
How does hyperthyroidism affect bowel movements?
Patients with hyperthyroidism often have mild to moderate diarrhea and frequent bowel movements. Because patients with hyperthyroidism often have intestinal hypermotility, it decreases small bowel transit time, which can contribute to diarrhea.Thyroid and Digestion - Supporting with Digestive Enzymes (That Are Simple and Effective!)
Can thyroid problems cause IBS?
Although there are numerous health problems that IBS patients experience at a higher rate than others, there's no evidence that having thyroid disease causes IBS or vice versa. That said, thyroid disease can cause similar gastrointestinal symptoms to those of IBS, so it can be easy to conflate them.What are the symptoms of thyroid problems in females?
Symptoms
- Fatigue.
- Increased sensitivity to cold.
- Constipation.
- Dry skin.
- Weight gain.
- Puffy face.
- Hoarseness.
- Muscle weakness.
What food should be avoided in thyroid?
These foods contain goitrogens or are known irritants if consumed in large amounts: Soy-based foods: tofu, tempeh, edamame beans, soy milk, etc. Certain fruits: peaches, pears, and strawberries. Beverages: coffee, green tea, and alcohol — these beverages may irritate your thyroid gland ( 27 , 28 , 29 )How do thyroid issues make you feel?
Symptom: Changes in Energy or MoodThyroid disorders can have a noticeable impact on your energy level and mood. Hypothyroidism tends to make people feel tired, sluggish, and depressed. Hyperthyroidism can cause anxiety, problems sleeping, restlessness, and irritability.
What happens when your thyroid is low?
Hypothyroidism is a common condition where the thyroid doesn't create and release enough thyroid hormone into your bloodstream. This makes your metabolism slow down. Also called underactive thyroid, hypothyroidism can make you feel tired, gain weight and be unable to tolerate cold temperatures.What helps with thyroid constipation?
Time Meals Wisely. Be aware that fiber in your diet (and fiber supplements) may affect the absorption of your thyroid hormone. This is why it's important to take your thyroid medication first thing in the morning and then wait two to three hours before eating or taking any other medications or supplements.Can underactive thyroid cause loose stools?
Diarrhea in the hypothyroid state is mainly the result of increased bacterial growth secondary to bowel hypomotility[66,67]. Exceptionally, hypothyroidism may be the cause of gastrointestinal bleeding refractory to usual treatments[68], most probably by means of acquired coagulopathy[69].Can thyroid cause belly fat?
Weight gainEven mild cases of hypothyroidism may increase the risk of weight gain and obesity. People with the condition often report having a puffy face as well as excess weight around the stomach or other areas of the body.
Does low thyroid cause gas?
Digestive systemHypothyroidism slows the movement of food through your stomach and intestines. Slowed digestion can lead to symptoms like heartburn, constipation, and bloating.
Is banana good for thyroid?
Hypothyroid persons can take all fruits including banana in moderation.Is coffee good for thyroid?
Coffee: Time Your First Cup Carefully in the MorningPer a study in the journal Thyroid, caffeine has been found to block absorption of thyroid hormone replacement. "People who were taking their thyroid medication with their morning coffee had uncontrollable thyroid levels, and we couldn't figure it out," says Dr. Lee.