Learn about this serious condition in which the upper part of the body's main artery becomes weak and may rupture.
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
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
Tooth abscess
A bacterial infection at the tip of the tooth root usually occurs from an untreated dental cavity, an injury or prior dental work.
Disease
Total anomalous pulmonary venous return (TAPVR)
In this heart condition present at birth, the lung's blood vessels attach to the wrong places in the heart. Know the symptoms and how it's diagnosed.
Disease
Transient global amnesia
When your memory suddenly disappears, it can be frightening — but transient global amnesia is typically temporary and harmless.
Disease
Transient ischemic attack (TIA)
This short bout of stroke-like symptoms doesn't cause permanent damage. But it may serve as a warning sign of a future stroke.
Disease
Transposition of the great arteries
This serious, rare heart condition present at birth needs surgery to correct. Know the symptoms and treatment.
Disease
Tricuspid atresia
Learn how this congenital heart defect blocks blood flow from the heart to the lungs. Treatment involves multiple surgeries.
Disease
Truncus arteriosus
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Disease
Vaginal agenesis
In this rare condition that occurs before birth, the vagina doesn't develop and the uterus may only develop partially or not at all. Learn about treatment.
Disease
Vaginal atrophy
Read about this condition that causes vaginal and urinary symptoms, often after menopause. It's also called genitourinary syndrome of menopause.