By API Standards
- Tacrolimus
- Tafamidis
- Tapentadol
- Taurine
- Tecovirimat
- Tegaserod
- Telbivudine
- Teneligliptin
- Tenofovir
- Tentoxin
- Terbinafine
- Testosterone
- Tetrabenazine
- Tetramethylpyrazine
- Tezacaftor
- Thalidomide
- Thiothixene
- Tiaprofenic
- Tigecycline
- Tiopronin
- Tiotropium
- Tizanidine
- Tolbutamide
- Tolcapone
- Tolterodine
- Topiramate
- Trabectedin
- Trandolapril
- Trandolaprilat
- Travoprost
- Trazodone
- Trelagliptin
- Triamcinolone
- Triamterene
- Triflunisal
- Trifluoperazine
- Trimebutine
- Trimetazidine
- Trimethobenzamide
- Trimethoprim
- Tucatinib
- Tulobuterol
- Tyrosol