| Diltiazem Hydrochloride | 🇺🇸United States | 120MG, 180MG, 240MG … | tablet, extended release | Marketed | Sciegen Pharms |
| Diltiazem Hydrochloride | 🇺🇸United States | 100MG/VIAL, 125MG/25ML, 50MG/10ML … | injectable | Marketed | Rising |
| Diltiazem Hydrochloride | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Marketed | Zydus Pharms |
| Diltiazem Hydrochloride | 🇺🇸United States | 120MG, 30MG, 60MG … | tablet | Marketed | Edenbridge Pharms |
| Diltiazem Hydrochloride in 0.72% Sodium Chloride | 🇺🇸United States | 100MG/100ML, 250MG/250ML | solution | Marketed | HQ SPCLT Pharma |
| Diltiazem Hydrochloride in Dextrose 5% | 🇺🇸United States | 125MG/125ML (1MG/ML) **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 250MG/250ML (1MG/ML) **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | solution | Not marketed | Exela Pharma |
| Tiazac | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Marketed | Bausch |
| Cardizem | 🇺🇸United States | 120MG, 30MG, 60MG … | tablet | Marketed | Bausch |
| Cardizem CD | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Marketed | Bausch |
| Cardizem LA | 🇺🇸United States | 120MG, 180MG, 240MG … | tablet, extended release | Marketed | Bausch |
| Cartia XT | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Marketed | Actavis Labs FL INC |
| Dilt-CD | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Not marketed | Apotex |
| Diltzac | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Not marketed | Apotex |
| Dilacor XR | 🇺🇸United States | 120MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 180MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 240MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | capsule, extended release | Not marketed | Allergan |
| Cardizem | 🇺🇸United States | 100MG/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 25MG/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 5MG/ML **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | injectable | Not marketed | Biovail Labs Intl |
| Cardizem SR | 🇺🇸United States | 120MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 180MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 60MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** … | capsule, extended release | Not marketed | Biovail |
| Taztia XT | 🇺🇸United States | 120MG, 180MG, 240MG … | capsule, extended release | Not marketed | Actavis Labs FL INC |
| TeczemCombination | 🇺🇸United States | 180MG HYDROCHLORIDE; 5MG | tablet, extended release | Not marketed | Biovail |
| Tiamate | 🇺🇸United States | 120MG HYDROCHLORIDE, 180MG HYDROCHLORIDE, 240MG HYDROCHLORIDE | tablet, extended release | Not marketed | Merck |