- Tadalafil
- Tamiflu®
- Tamoxifen
- Tamsulosin
- Tasmar®
- Tegretol®
- Terazosin
- Terbinafine
- Terbutaline
- Teriparatide
- Thyroxine
- Tiotropium
- Tiotropium + olodaterol
- TMP®
- Tolcapone
- Tolterodine
- Topamax®
- Topical steroids
- Topiramate
- Tramadol
- Tramal®
- Tranexamic acid
- Trichazole®
- Trimethoprim
- Triptans
- Tumour necrosis factor (TNF) inhibitors