By API Standards
- Tacrolimus
- Tafamidis
- Tapentadol
- Tecovirimat
- Tegaserod
- Teneligliptin
- Tenofovir
- Teriflunomide
- Testosterone
- Tetrabenazine
- Tetramethylpyrazine
- Tezacaftor
- Thalidomide
- Thiamine
- Thiothixene
- Tiaprofenic
- Tigecycline
- Tiopronin
- Tiotropium
- Tizanidine
- Tolbutamide
- Tolcapone
- Tolterodine
- Topiramate
- Trandolapril
- Trandolaprilat
- Tranexamic acid
- Trazodone
- Trelagliptin
- Triamcinolone
- Triamterene
- Triflunisal
- Trifluoperazine
- Trimetazidine
- Trimethobenzamide
- Trimethoprim
- Tyrosol