Hypothyroidism

March 11, 2024 - This can cause a condition called Small Intestinal Bacterial Overgrowth (SIBO), found in over half of all hypothyroidism patients. SIBO can lead to symptoms such as a lost appetite, stomach pain, nausea, diarrhea, and bloating. One of the ...

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 ...

June 2, 2025 - Addison’s disease (primary adrenal insufficiency). ... Rheumatoid arthritis. Sjögren’s syndrome. Your healthcare provider will start by asking about your symptoms and medical history and doing a physical exam. During the exam, they’ll gently feel your thyroid gland to check if it’s enlarged or if there are noticeable nodules.

An underactive thyroid (hypothyroidism) is a common condition where the thyroid gland in your neck does not make enough hormones. This can cause symptoms like tiredness and weight gain.

Patients with hyperthyroidism may experience weight loss, frequent bowel movements, diarrhea, malabsorption of important nutrients, nutrient deficiencies, abdominal pain and fullness, belching, nausea, and/or vomiting, and sometimes increased hunger. Hypothyroidism, on the other hand, delays ...

April 18, 2024 - Individuals with bacterial overgrowth show symptoms such as bloating, flatulence and abdominal discomfort which are improved with antibiotics. Reduced hollow viscera motility, including stomach, colon, esophagus, and small intestine, have been observed in myxedema which gets reversed with replacement therapy for thyroid hormone.

While “thyroid problems” can ... symptoms of thyroid dysfunction range from insomnia, constipation, and hair loss to fluid retention, fatigue and temperature intolerances....

As thyroid hormones act on almost all organs within the gastrointestinal tract (gut and viscera), hyperthyroidism induces several symptoms and signs, and causes different biologic and metabolic derangements. Digestive symptoms may represent the only manifestations of hyperthyroidism.

The gastrointestinal manifestations of thyroid disease are generally due to reduced motility in hypothyroidism, increased motility in hyperthyroidism, autoimmune gastritis, or esophageal compression by a thyroid process. Symptoms usually resolve with treatment of the thyroid disease.

March 8, 2023 - The thyroid gland is an example of another factor that affects digestion, even though it isn’t technically part of the digestive system. Through the hormones it releases, the thyroid regulates numerous aspects of human health, including metabolism and digestion. This is also why problems like thyroid disease can cause gastrointestinal symptoms.

December 10, 2022 - Understand what happens when your thyroid is underactive and learn about treatment for this condition.

May 2, 2025 - Even mild cases of hypothyroidism may increase the risk of weight gain and obesity. People with the condition often report having a puffy face and excess weight around the stomach or other areas of the body.

Read about the symptoms of an overactive thyroid (hyperthyroidism), which include anxiety, hyperactivity and feeling tired all the time.

May 6, 2025 - Some medications can be taken under the tongue to bypass stomach irritation. Seek medical help if digestive symptoms persist despite proper medication timing and diet changes. Severe symptoms like persistent vomiting, intense abdominal pain, or swallowing difficulties require immediate evaluation. Untreated thyroid conditions can lead to complications like heart disease or infertility.

Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect your breathing, heart rate, weight, digestion, and moods.

December 17, 2025 - If surgery is needed for thyroid nodules or a goiter, a head and neck surgeon may also be involved. At Penn Medicine, our thyroid specialists provide advanced diagnostic and treatment options for all forms of thyroiditis. ... Thyroiditis can cause different symptoms depending on how the inflammation affects your thyroid hormone levels.

While it might not be a primary symptom, feeling particularly down in the dumps can be a debilitating side effect of hypothyroidism. With an underactive thyroid turning many body functions down to low, it's not surprising that your mood might sink too.

October 28, 2025 - Delays in gastric emptying and reduced intestinal motility can lead to feelings of fullness and discomfort in the stomach, resulting in nausea. This symptom may be particularly noticeable after eating.

February 10, 2025 - The effectiveness of the tablets can be altered by other medications, supplements or foods, so they should be swallowed with water on an empty stomach, and you should avoid eating for 30 minutes afterwards. If you forget to take a dose, take it as soon as you remember, if this is within a few hours of your usual time. If you don’t remember until later than this, skip the dose and take the next dose at the usual time, unless advised otherwise by your doctor. An underactive thyroid is a lifelong condition, so you’ll usually need to take levothyroxine for the rest of your life.

1 week ago - Additionally, there’s a risk of thyroid crisis, also known as thyroid storm. When this happens, your symptoms suddenly become worse, usually because of an infection or stress. Thyroid crisis is a medical emergency that causes a high fever, stomach pain, and decreased awareness.