• Tachycardia

• Takayasu Arteritis

• Tapeworms

• Tardive Dyskinesia

• Tay-Sachs Disease

• Temporal Arteritis

• Temporomandibular Joint Syndrome (TMJ)

• Tendinitis

• Tennis Elbow

• Tenosynovitis

• Testicular Cancer

• Testicular Injuries

• Testicular Torsion

• Tetanus

• Tetralogy of Fallot

• Thalassemia

• Thoracic Aortic Aneurysm

• Thoracic Outlet Syndrome

• Thrombocytopenia

• Thrombophlebitis

• Thrombotic Thrombocytopenic Purpura

• Thrush

See also: Candidiasis

• Thyroid Cancer

• Thyroid Diseases

• Thyroid Nodules

• Thyroiditis

• Tic Douloureux - See Trigeminal Neuralgia

• Tick Bites

• Tics

• Tinea Infections

• Tinnitus

• Tobacco Smoking - See Smoking, Snuff & Chewing Tobacco

• Toe Injuries and Disorders

• Torticollis

• Tourette Syndrome

• Toxic Shock Syndrome

• Toxoplasmosis

• Transient Ischemic Attack (TIA)

• Transposition of the Great Arteries

• Tremor

• Trichomoniasis

• Tricuspid Valve Disease

• Trigeminal Neuralgia

• Trigger Finger

• Tropical Sprue

• TTP - See Thrombotic Thrombocytopenic Purpura

• Tuberculosis

• Tuberous Sclerosis

• Tubulointerstitial Nephritis - See Interstitial Nephritis

• Tularemia

• Tumor Embolus - See Pulmonary Embolism

• Turner Syndrome

• Typhoid Fever