Active substances
Hydrochlorothiazide + Triamterene
- SFDA 1
- US FDA 26
- Health Canada 2
- US price lines 3
SFDA Saudi Arabia — SFDA human drug list
| Trade name | Strength | Form · route | Pack | Public price | Type | Company | Status |
|---|---|---|---|---|---|---|---|
| DYAZIDE | 50,25 mg,mg | Tablet · Oral use | 20 Blister | SAR 12.50 | NCE · Prescription | SMIITHKLINE BEECHAM | Withdrawn by MAH · Not Marketed |
US FDA United States — FDA approvals (Drugs@FDA)
| Product | Strength | Form · route | Applicant | Status | First approved |
|---|---|---|---|---|---|
| MAXZIDE | 50MG;75MG | tablet · oral | AUROBINDO PHARMA USA | Prescription | 22 Oct 1984 |
| MAXZIDE-25 | 25MG;37.5MG | tablet · oral | AUROBINDO PHARMA USA | Prescription | 22 Oct 1984 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG; 25MG;37.5MG | tablet · oral | APOTEX INC | Prescription | 8 Dec 1987 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | CHARTWELL RX | Prescription | 17 Jun 1988 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | WATSON LABS | Prescription | 30 Nov 1988 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | tablet · oral | SANDOZ | Prescription | 30 Apr 1992 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | tablet · oral | WATSON LABS | Prescription | 23 Sep 1993 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | SANDOZ | Prescription | 5 Jun 1997 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | LANNETT CO INC | Prescription | 9 Dec 2011 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG; 50MG;75MG | tablet · oral | ZYDUS PHARMS | Prescription | 29 Jun 2018 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | CADILA | Prescription | 11 Feb 2019 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG; 50MG;75MG | tablet · oral | RUBICON RESEARCH | Prescription | 23 Feb 2022 |
| DYAZIDE | 25MG;50MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**; 25MG;37.5MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** | capsule · oral | GLAXOSMITHKLINE LLC | Discontinued | 2 Dec 1965 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | WATSON LABS | Discontinued | 14 Jan 1988 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;50MG | capsule · oral | CHARTWELL RX | Discontinued | 31 Jul 1991 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;50MG | capsule · oral | ANI PHARMS | Discontinued | 30 Mar 1995 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | ANI PHARMS | Discontinued | 31 Jan 1996 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | tablet · oral | PLIVA | Discontinued | 26 Apr 1996 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | PHARMOBEDIENT | Discontinued | 7 Jun 1996 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | ANI PHARMS | Discontinued | 6 Jan 1998 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | DURAMED PHARMS BARR | Discontinued | 18 Jun 1999 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;37.5MG | capsule · oral | MACLEODS PHARMS | Discontinued | 28 Jan 2025 |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 25MG;50MG | capsule · oral | VITARINE | Discontinued | |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | QUANTUM PHARMICS | Discontinued | |
| TRIAMTERENE AND HYDROCHLOROTHIAZIDE | 50MG;75MG | tablet · oral | AM THERAP | Discontinued |
1 more — full table
Canada Canada — marketed products (Health Canada)
| Brand | DIN | Strength | Form · route | Company |
|---|---|---|---|---|
| APO-TRIAZIDE | 00441775 | 50 MG; 25 MG | TABLET · ORAL | APOTEX INC |
| TEVA-TRIAMTERENE/HCTZ | 00532657 | 50 MG; 25 MG | TABLET · ORAL | TEVA CANADA LIMITED |
Prices — United States and England
| Source | Product as listed | Price | Unit / pack | Date |
|---|---|---|---|---|
| US NADAC | TRIAMTERENE-HYDROCHLOROTHIAZIDE 37.5-25 MG CP | $0.11805 | per EA | 23 Sep 2026 |
| US NADAC | TRIAMTERENE-HYDROCHLOROTHIAZIDE 37.5-25 MG TB | $0.09694 | per EA | 23 Sep 2026 |
| US NADAC | TRIAMTERENE-HYDROCHLOROTHIAZIDE 75-50 MG TAB | $0.1312 | per EA | 23 Sep 2026 |
NADAC: average price US retail pharmacies pay to buy the medicine. NHS Drug Tariff Part VIIIA: basic price reimbursed to pharmacies in England and Wales.
Components
Values as published by each source: SFDA human drug list (4-2026, as published by the Council of Health Insurance; indications from the CHI Daman Drug Formulary), Drugs@FDA, EMA medicines data, Health Canada Drug Product Database (Open Government Licence – Canada), CMS NADAC, NHS Drug Tariff Part VIIIA (NHSBSA Copyright, Open Government Licence v3.0), WHO Model List of Essential Medicines (CC BY 3.0 IGO; regrouped by active substance, not created by WHO), EMA PRAC, US FDA safety-related labeling changes and MHRA Drug Safety Update (Open Government Licence v3.0). Sources and reuse. Not a substitute for the official registers or the product information.