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Disease

Thrombocytosis

This condition occurs when your body produces too many platelets, the cells that help blood clot. Thrombocytosis can cause clotting or bleeding issues.
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 make simple tasks hard to do. Treatment may include medicines, 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.
Disease

Tongue cancer

Learn how doctors use innovative operations, such as transoral robotic surgery, and radiation technology, including protons, for tongue cancer treatment.
Disease

Tongue-tie (ankyloglossia)

In this condition present at birth, a band of tissue (lingual frenulum) tethers the tongue to the floor of the mouth, restricting the range of motion.
Disease

Tonic-clonic (grand mal) seizure

Learn about this type of seizure that can cause convulsions. Also know how to help if you see someone having one.

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