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Health Conditions Starting With T — Research & Medical Insights

52 conditions. Research summaries and monthly AI-curated newsletters available for each.

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Thyroid Cancer
Oncology

Cancer originating in thyroid cells — most common endocrine malignancy.

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Tinnitus
Otolaryngology

Ringing, buzzing, or hissing sounds in the ears without external source.

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Traumatic Brain Injury
Neurology

Brain dysfunction caused by an external mechanical force to the head.

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Tachycardia
Cardiology

An abnormally rapid heart rate above 100 beats per minute in adults.

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Takayasu Arteritis
Rheumatology

A rare disease causing inflammation of large blood vessels, primarily the aorta.

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Takotsubo Cardiomyopathy
Cardiology

Broken heart syndrome — temporary heart muscle weakness triggered by severe stress.

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Tapeworm Infection
Infectious Disease

Intestinal infection from ingesting tapeworm larvae in undercooked meat or fish.

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Tardive Dyskinesia
Neurology

Involuntary repetitive movements from long-term use of antipsychotic medications.

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Tay-Sachs Disease
Genetics

A fatal inherited disorder causing progressive nervous system destruction in infants.

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Temporal Arteritis
Rheumatology

Inflammation of medium-sized arteries, especially in the temples, threatening vision.

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Temporomandibular Joint Disorder
Dentistry

TMJ — jaw joint dysfunction causing pain, clicking, and difficulty chewing.

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Tennis Elbow
Orthopedics

Lateral epicondylitis — overuse injury causing outer elbow pain.

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Tension Headache
Neurology

The most common type of headache, often from stress and muscle tension.

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Teratoma
Oncology

A tumor containing tissues from multiple germ layers, usually in ovaries or testicles.

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Testicular Cancer
Oncology

A highly treatable cancer of the testicles, most common in young men.

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Testicular Torsion
Urology

A urological emergency where the testicle twists, cutting off its blood supply.

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Tetanus
Infectious Disease

A serious bacterial disease causing painful muscle contractions, preventable by vaccination.

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Tetralogy of Fallot
Cardiology

A congenital heart condition with four specific abnormalities causing low blood oxygen.

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Thalassemia
Hematology

An inherited blood disorder causing abnormal hemoglobin production and anemia.

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Thoracic Aortic Aneurysm
Cardiology

An abnormal bulge in the aorta within the chest that can rupture if untreated.

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Thoracic Outlet Syndrome
Vascular Medicine

Compression of nerves or vessels between the collarbone and first rib.

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Throat Cancer
Oncology

Cancer developing in the voice box, pharynx, or tonsils, often linked to HPV or smoking.

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Thrombocytopenia
Hematology

A low platelet count causing easy bruising and bleeding.

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Thrombocytosis
Hematology

Elevated platelet count that can increase risk of clotting or bleeding.

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Thrombophilia
Hematology

A tendency to form abnormal blood clots from inherited or acquired conditions.

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Thrombotic Thrombocytopenic Purpura
Hematology

A rare blood disorder causing clots in small vessels and requiring urgent treatment.

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Thrush
Infectious Disease

Oral candidiasis — a yeast infection causing white patches in the mouth.

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Thyroid Nodule
Endocrinology

A lump in the thyroid gland, usually benign but sometimes cancerous.

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Thyroid Storm
Endocrinology

A life-threatening worsening of hyperthyroidism requiring emergency treatment.

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Tic Disorder
Neurology

Conditions characterized by involuntary movements or sounds, including Tourette syndrome.

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Tick-Borne Disease
Infectious Disease

Illnesses transmitted by tick bites, including Lyme disease and Rocky Mountain spotted fever.

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Tonsillitis
Otolaryngology

Inflammation of the tonsils from viral or bacterial infection.

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Tooth Abscess
Dentistry

A pocket of pus at the tooth root from bacterial infection.

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Tooth Decay
Dentistry

Damage to tooth enamel from acids produced by bacteria in dental plaque.

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TORCH Infections
Pediatrics

A group of infections that can pass from mother to baby during pregnancy.

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Torticollis
Orthopedics

Abnormal, involuntary neck muscle contraction causing head tilt.

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Tourette Syndrome
Neurology

A neurological disorder with repetitive involuntary movements and vocalizations.

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Toxic Epidermal Necrolysis
Dermatology

A severe skin reaction usually from medications, causing widespread skin loss.

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Toxic Shock Syndrome
Infectious Disease

A life-threatening bacterial infection, historically linked to tampon use.

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Toxoplasmosis
Infectious Disease

A parasitic infection dangerous during pregnancy and in immunocompromised patients.

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Transient Ischemic Attack
Neurology

Mini-stroke — temporary symptoms from brief reduction of blood flow to the brain.

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Transverse Myelitis
Neurology

Inflammation of the spinal cord causing weakness, sensory changes, and bladder problems.

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Trichomoniasis
Infectious Disease

A common sexually transmitted parasitic infection.

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Trichotillomania
Psychiatry

A mental disorder with recurrent, irresistible urges to pull out hair.

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Trigeminal Neuralgia
Neurology

A chronic pain condition affecting the facial trigeminal nerve.

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Trisomy 18
Genetics

Edwards syndrome — a severe chromosomal disorder with multiple organ abnormalities.

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Tuberculosis
Infectious Disease

A bacterial infection primarily affecting the lungs, transmitted through the air.

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Tuberous Sclerosis
Genetics

A genetic disorder causing benign tumors to grow in various organs including the brain.

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Turner Syndrome
Genetics

A chromosomal condition in females with only one X chromosome, causing short stature and other issues.

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Typhoid Fever
Infectious Disease

A serious bacterial infection from contaminated food or water with prolonged fever.

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Tarlov Cyst
Neurology

Fluid-filled nerve root cysts in the spine that may cause back and leg pain.

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Telangiectasia
Dermatology

Small dilated blood vessels visible on the skin or mucous membranes.

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