All Diseases that Start with T (Rare, Deadly, and Many More!)

Embarking on the next leg of our alphabetical health journey, we explore diseases starting with the letter ‘T’. This part of our exploration brings to light a range of conditions, from the rare and deadly to those affecting blood, bone, mental health, and more.

We will delve into autoimmune disorders and bacterial infections, shedding light on the diverse array of diseases that start with ‘T’.

Top 30 Diseases that Start with T

Below are the 30 common diseases starting with the letter ‘T’.

  • Tuberculosis: Serious bacterial lung infection.
  • Type 2 Diabetes: Chronic high blood sugar levels.
  • Thyroid Cancer: Cancer in the thyroid gland.
  • Tonsillitis: Inflammation of the tonsils.
  • Tetanus: Bacterial infection causing muscle spasms.
  • Thrombosis: Blood clots in blood vessels.
  • Tinnitus: Ringing or buzzing in the ears.
  • Trichomoniasis: Sexually transmitted infection.
  • Tourette Syndrome: Nervous system disorder causing tics.
  • Temporal Arteritis: Inflammation of head arteries.
  • Testicular Cancer: Cancer in the testicles.
  • Tendonitis: Inflammation of a tendon.
  • Thalassemia: Genetic blood disorder.
  • Trigeminal Neuralgia: Chronic pain in the face.
  • Tinea Versicolor: Fungal skin infection.
  • Typhoid Fever: Bacterial infection from contaminated food or water.
  • Tubular Adenoma: Benign colon tumor.
  • Toxic Shock Syndrome: Severe bacterial infection.
  • Takayasu’s Arteritis: Inflammation of large arteries.
  • Tarsal Tunnel Syndrome: Nerve compression in the foot.
  • Transient Ischemic Attack (TIA): Mini-stroke.
  • Tinea Pedis (Athlete’s Foot): Fungal infection of the foot.
  • Thyroiditis: Inflammation of the thyroid.
  • Turner Syndrome: Genetic disorder in females.
  • Torticollis (Wry Neck): Twisted neck condition.
  • Trichotillomania: Hair-pulling disorder.
  • Tarsal Coalition: Abnormal connection between tarsal bones.
  • Toxoplasmosis: Infection from parasites.
  • Thoracic Outlet Syndrome: Compression of nerves or blood vessels in the shoulder area.
  • Tropical Sprue: Digestive disease in the tropics.

Rare Diseases That Start With T

  • Tay-Sachs Disease: Fatal genetic disorder.
  • Tuberous Sclerosis: Rare genetic disease causing benign tumors.
  • Trisomy 13 (Patau Syndrome): Serious genetic disorder.
  • Trimethylaminuria (Fish Odor Syndrome): Metabolic disorder causing body odor.
  • Thrombotic Thrombocytopenic Purpura: Blood clotting disorder.

Deadly Diseases That Start With T

  • Tuberculosis: Can be deadly if untreated.
  • Type 2 Diabetes: Complications can be fatal.
  • Thyroid Cancer: Can be life-threatening in aggressive forms.
  • Tetanus: Potentially fatal if not treated.
  • Toxic Shock Syndrome: Severe and potentially deadly.

Also, Check:

Medical Terms That Start With T

Fitness Words That Start With T

Other Diseases Beginning With T (Divided By Type)

In this segment, we explore various diseases starting with the letter “T,” categorized to provide a clearer understanding of their characteristics and implications for treatment and management.

Autoimmune Diseases That Start With T

  • Type 1 Diabetes: Autoimmune destruction of insulin-producing cells.
  • Thyroiditis: Inflammation of the thyroid gland.
  • Temporal Arteritis (Giant Cell Arteritis): Inflammation of head arteries.
  • Takayasu’s Arteritis: Inflammation of large arteries.
  • Thrombocytopenic Purpura: Autoimmune disorder leading to low platelet count.

Blood Diseases That Start With T

  • Thalassemia: Genetic disorder causing hemoglobin abnormalities.
  • Thrombocytopenia: Low blood platelet count.
  • Thrombosis: Formation of blood clots in blood vessels.
  • T-cell Lymphoma: Type of blood cancer affecting T-cells.
  • TTP (Thrombotic Thrombocytopenic Purpura): Rare blood disorder causing blood clots.

Bone Diseases That Start With T

  • Tuberculosis of Bone: Bacterial infection affecting the bones.
  • Tendonitis: Inflammation of a tendon.
  • Tietze’s Syndrome: Inflammation of rib cartilage.
  • Traumatic Bone Cysts: Hollow areas within bones, usually after injuries.
  • Transient Osteoporosis: Temporary bone loss, often in the hip.

Bacterial Infection That Start With T

  • Tuberculosis: Infectious disease affecting lungs and other organs.
  • Tetanus: Bacterial infection causing muscle spasms.
  • Typhoid Fever: Serious bacterial infection from Salmonella typhi.
  • Tularemia: Infectious disease from Francisella tularensis bacteria.
  • Toxoplasmosis: Parasitic disease, often from cats.

Explore More Diseases Starting With:


Animal Diseases That Start With T

This section covers common diseases in animals that begin with ‘T.’ These diseases range from mild to severe and can significantly impact animal health and welfare.

  • Tuberculosis: Bacterial infection affecting various animals.
  • Tetanus: Neurological disease caused by a toxin-producing bacterium.
  • Transmissible Venereal Tumor: Contagious cancer in dogs.
  • Tick Fever: Caused by different tick-borne organisms in animals.
  • Toxoplasmosis: Parasitic infection, especially in cats.
  • Tularemia: Infectious disease affecting rabbits and other mammals.
  • Trichomoniasis: Protozoal infection in birds and cattle.
  • Trichostrongylosis: Intestinal worm infection in livestock.
  • Tyzzers Disease: Bacterial infection in small mammals and birds.
  • Tail Rot in Reptiles: Condition in reptiles, often from infection or poor living conditions.

diseases that start with t