Trichuris trichiura
tinea pedis
tinea cruris
tinea corporis
tinea versicolor
tonsillitis
Thalassaema
Teratoma
Tetanus
Thrush
Thymoma
Tinnitus
Tay-Sachs disease
Tourette syndrome
Trichotillomania
Thyroid cancer
Thrombosis
Tendonitis
Turner syndrome
Typhus
Trifascicular heart block
Tumor lysis syndrome
Thyroglossal cyst
Thrombocytosis
Thoracic outlet syndrome
Third degree heart block
Temporomandibular joint disorder
Typhoid fever
Temporal arteritis
Transient ischemic attack
Trichuriasis
Trench mouth
Thalassemia
Tietz syndrome
Tardive dyskinesia
Toxic shock syndrome
Thrombotic thrombocytopenic purpura
Thrombocytopenia
Tenosynovitis
Trigger finger
Tularemia
Tetralogy of Fallot
Trigonocephaly
Transmissible spongiform encephalopathy
TAR syndrome
Trichinosis
Trichomoniasis
Trigeminal neuralgia
Tabes dorsalis
Testicular torsion
Toxocariasis
Tuberculosis
Tinea barbae
Tenesmus
Tick paralysis
Torticollis
Trematoda
Toxoplasmosis
Tuberous sclerosis
Testicular cancer
Trichostrongylosis
Trophoblastic disease