Subcategories
- Trigeminal neuralgia
- Thyroid nodules
- Transient global amnesia
- Thalassemia
- Thoracic aortic aneurysm
- Tongue-tie (ankyloglossia)
- Takayasu's arteritis
- Thumb arthritis
- Torn meniscus
- Throat cancer
- Triple X syndrome
- Trench mouth
- Tularemia
- Tachycardia
- Tinnitus
- Takotsubo cardiomyopathy
- Tapeworm infection
- TB
- Tuberculosis
- Tears, decreased production
- Teen depression
- Teeth grinding
- Temporal arteritis
- Temporal lobe seizures
- Temporomandibular disorders
- Temporomandibular joint disorders
- TMJ disorders
- Tendinitis
- Tendinitis, Achilles
- Tendinitis, patellar
- Tennis elbow
- Tenosynovitis, de Quervain's
- Tension headache
- Testicle, retractile
- Testicle, undescended
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Tetanus
- Tetralogy of Fallot
- Tetraplegia
- TGA
- Thoracic outlet syndrome
- Three-day measles
- Thromboangiitis obliterans
- Thrombocytopenia
- Thrombocytosis
- Thrombophlebitis
- Thrush, oral
- Thunderclap headache
- Thunderclap headaches
- Thyroid cancer
- Thyroid gland enlargement
- Thyroid, overactive
- Thyroid, underactive
- Thyroiditis, chronic lymphocytic
- TIA
- Transient ischemic attack (TIA)
- Tic douloureux
- Tinea barbae
- Tinea capitis
- Tinea corporis
- Tinea cruris
- Tinea pedis
- Tinea versicolor
- Tobacco dependence
- Tobacco use
- Toe walking
- Toe walking in children
- Toenail fungus
- Tonic-clonic seizure
- Tonsillitis
- Tooth abscess
- Tooth decay
- Torsion, testicular
- Torticollis, spasmodic
- Tourette syndrome
- Toxemia
- Toxic hepatitis
- Toxic shock syndrome
- Toxoplasmosis
- Trachoma
- Transient ischemic attack
- Transposition of the great arteries
- Transverse myelitis
- Traumatic brain injury
- Traumatic grief
- Traveler's diarrhea
- Trichinosis
- Trichomoniasis
- Trichotillomania
- Tricuspid atresia
- Trigger finger
- Trisomy 21 syndrome
- Trisomy X
- Trouble swallowing
- Truncus arteriosus
- Trypanosomiasis, American
- Tuberous sclerosis
- Tumor, spinal
- Turner syndrome
- Type 1 diabetes
- Type 1 diabetes in children
- Type 2 diabetes
- Type 2 diabetes in children
- Typhoid fever


