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Disease

Thoracic outlet syndrome

This group of conditions is caused by pressure on the blood vessels or nerves between the collarbone and rib. The pressure can cause pain and numbness.
Disease

Throat cancer

Learn more about this type of cancer that affects your throat (pharynx), voice box (larynx) or tonsils.
Disease

Thrombocytopenia (low platelet count)

Problems with how blood clots can lead to excessive bleeding or blood clotting. Learn about the risks and treatments for a low blood platelet count.
Disease

Thrombocytosis

This condition occurs when your body produces too many platelets, the cells that help blood clot. Thrombocytosis can cause clotting or bleeding problems.
Disease

Thrombophlebitis

Learn more about this inflammation of a blood vessel that can interrupt flow.
Disease

Thumb arthritis

This common condition can cause pain and mobility issues, making simple tasks difficult. Treatment may include medications, splints and sometimes surgery.
Disease

Thunderclap headaches

These headaches are sudden and severe, and can warn of a life-threatening condition — so seek immediate medical attention.
Disease

Thyroid cancer

Learn about thyroid cancer diagnosis and treatment, including thyroid surgery, radioactive iodine and thyroid hormone therapy.
Disease

Thyroid nodules

Find out what can cause lumps in the thyroid gland and how they can be treated.
Disease

Tinea versicolor

Learn about the symptoms, causes, treatments of this common skin infection that usually responds to treatment.
Disease

Tinnitus

Tinnitus can be caused by many health conditions. As such, the symptoms and treatment options vary by person. Get the facts in this comprehensive overview.
Disease

Toe walking in children

Walking on toes or the balls of the feet is fairly common in children who are learning to walk. Most children outgrow it.

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