By API Standards
- Tacrolimus
- Tafamidis
- Taltirelin
- Tandospirone
- Tapentadol
- Tecovirimat
- Tedizolid
- Tegaserod
- Telmisartan
- Temozolomide
- Temsirolimus
- Teneligliptin
- Tenofovir
- Terbutaline
- Teriflunomide
- Testosterone
- Tetrabenazine
- Tetracycline
- Tetracycline / Oxytetracycline
- Tetramethylpyrazine
- Tezacaftor
- Thalidomide
- Thiabendazole
- Thiamine
- Thimerosal
- Thioridazine
- Thiothixene
- thyronine
- Tiamulin Hydrogen Fumarate
- Tiaprofenic
- Ticagrelor
- Tigecycline
- Tiopronin
- Tiotropium
- Tirzepatide
- Tizanidine
- Tolbutamide
- Tolcapone
- Tolterodine
- Topiramate
- Trandolapril
- Trandolaprilat
- Tranexamic acid
- Trazodone
- Trelagliptin
- Triamcinolone
- Triamterene
- Triclabendazole
- Triclabendazole Sulfoxide
- Triflunisal
- Trifluoperazine
- Trilostane
- Trimetazidine
- Trimethobenzamide
- Trimethoprim
- Tryptanthrin
- Tyrosol
- Tyrothricin