Hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet — RxCUI 310812
RxNorm drug concept · Semantic clinical drug
RxCUI 310812
Semantic clinical drug · SCD
● Current RxNorm concept 32 FDA products
81 package NDCs
Snapshot Jul 14, 2026
What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.
🗂️ Key Facts
RxCUI310812
Official nameHydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asHCTZ 25 MG / triamterene 37.5 MG Oral Tablet
FDA products mapped32
Package NDCs mapped81
Reported Medicaid activity (SDUD)129,467 prescriptions · 49 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026
📖 Skip the Codes — Read It in Plain English.
Our pharmacist-built guide to Triamterene and Hydrochlorothiazide: what it is, how it’s used, side effects, and interactions.
📗 Our plain-language guide HelloPharmacist
- Great question. Hydrochlorothiazide on its own works well for blood pressure and fluid retention, but it tends to flush out potassium along with the water — and low potassium can c...
- Why am I on this combination instead of just a regular water pill?
- Most people notice things like mild nausea, dizziness, headache, or muscle cramps, especially early on. You might also feel more tired or notice your urine looks a different color...
- What side effects should I actually watch out for day to day?
🕸️ Concept Web — How Hydrochlorothiazide 25 MG / triamterene 37.5 MG... Connects
One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept
Hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet
RxCUI 310812 Semantic clinical drug · SCD
Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.
-
Ingredients 3
The active substance itself — no strength, form, or brand attached yet.
-
Hydrochlorothiazide
5487IN -
Triamterene
10763IN -
Hydrochlorothiazide / triamterene
258337MIN
-
Hydrochlorothiazide
-
Brand names 1
The same medicine's trade names. A brand name alone says nothing about strength or form.
-
Maxzide
52440BN
-
Maxzide
-
Dose forms 9
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
-
Hydrochlorothiazide / triamterene Oral Tablet
374192SCDF -
Hydrochlorothiazide / triamterene Oral Product
1162152SCDG -
Hydrochlorothiazide / triamterene Pill
1162153SCDG -
Hydrochlorothiazide / triamterene Oral Tablet [Maxzide]
369275SBDF -
Maxzide Oral Product
1182741SBDG -
Maxzide Pill
1182742SBDG -
Oral Tablet
317541DF -
Oral Product
1151131DFG - +1 more in this family
-
Hydrochlorothiazide / triamterene Oral Tablet
-
Clinical & branded drugs 4
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
-
Hydrochlorothiazide 25 MG
316049SCDC -
Triamterene 37.5 MG
316853SCDC -
Hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet [Maxzide]
93253SBD -
Hydrochlorothiazide 25 MG / triamterene 37.5 MG [Maxzide]
562902SBDC
-
Hydrochlorothiazide 25 MG
Showing up to 8 concepts per family — 16 of 17 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.
🔀 Generic ⇄ Brand Crosswalk
The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.
Generic (Clinical) Concepts
-
Hydrochlorothiazide 25 MG
SCDC · 316049 -
Triamterene 37.5 MG
SCDC · 316853 -
Hydrochlorothiazide / triamterene Oral Tablet
SCDF · 374192 -
Hydrochlorothiazide / triamterene Oral Product
SCDG · 1162152 -
Hydrochlorothiazide / triamterene Pill
SCDG · 1162153
Brand-Name Concepts
-
Hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet [Maxzide]
SBD · 93253 -
Hydrochlorothiazide 25 MG / triamterene 37.5 MG [Maxzide]
SBDC · 562902 -
Hydrochlorothiazide / triamterene Oral Tablet [Maxzide]
SBDF · 369275 -
Maxzide Oral Product
SBDG · 1182741 -
Maxzide Pill
SBDG · 1182742 -
Maxzide
BN · 52440
📦 FDA Products & Package NDCs
32 products · 81 package NDCs
81 package NDCs map to RxCUI 310812 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
| Package NDC | Package | Brand / generic name | Labeler | Marketing start |
|---|---|---|---|---|
| 00591-0348-01 | 100 TABLET in 1 BOTTLE, PLASTIC (0591-0348-01) | Triamterene and Hydrochlorothiazide | Actavis Pharma, Inc. | 1993-09-23 |
| 00591-0348-05 | 500 TABLET in 1 BOTTLE, PLASTIC (0591-0348-05) | Triamterene and Hydrochlorothiazide | Actavis Pharma, Inc. | 1993-09-23 |
| 00591-0348-10 | 1000 TABLET in 1 BOTTLE, PLASTIC (0591-0348-10) | Triamterene and Hydrochlorothiazide | Actavis Pharma, Inc. | 1993-09-23 |
| 00591-0424-01 | 100 TABLET in 1 BOTTLE, PLASTIC (0591-0424-01) | Triamterene and Hydrochlorothiazide | Actavis Pharma, Inc. | 1993-09-23 |
| 00591-0424-05 | 500 TABLET in 1 BOTTLE, PLASTIC (0591-0424-05) | Triamterene and Hydrochlorothiazide | Actavis Pharma, Inc. | 1993-09-23 |
| 50090-1270-00 | 30 TABLET in 1 BOTTLE (50090-1270-0) | Triamterene and Hydrochlorothiazide | A-S Medication Solutions | 2014-11-28 |
| 50090-1270-01 | 100 TABLET in 1 BOTTLE (50090-1270-1) | Triamterene and Hydrochlorothiazide | A-S Medication Solutions | 2014-11-28 |
| 50090-1270-02 | 90 TABLET in 1 BOTTLE (50090-1270-2) | Triamterene and Hydrochlorothiazide | A-S Medication Solutions | 2014-11-28 |
| 50090-5801-00 | 30 TABLET in 1 BOTTLE (50090-5801-0) | triamterene and hydrochlorothiazide | A-S Medication Solutions | 2021-10-14 |
| 50090-5801-01 | 100 TABLET in 1 BOTTLE (50090-5801-1) | triamterene and hydrochlorothiazide | A-S Medication Solutions | 2021-10-14 |
| 50090-5801-02 | 90 TABLET in 1 BOTTLE (50090-5801-2) | triamterene and hydrochlorothiazide | A-S Medication Solutions | 2021-10-14 |
| 51407-0286-01 | 100 TABLET in 1 BOTTLE (51407-286-01) | Triamterene and Hydrochlorothiazide | Golden State Medical Supply, Inc. | 2022-03-31 |
| 51407-0286-05 | 500 TABLET in 1 BOTTLE (51407-286-05) | Triamterene and Hydrochlorothiazide | Golden State Medical Supply, Inc. | 2022-03-31 |
| 51655-0630-26 | 90 TABLET in 1 BOTTLE, PLASTIC (51655-630-26) | Triamterene and Hydrochlorothiazide | Northwind Health Company, LLC | 2021-05-21 |
| 51655-0630-52 | 30 TABLET in 1 BOTTLE, DISPENSING (51655-630-52) | Triamterene and Hydrochlorothiazide | Northwind Health Company, LLC | 2014-04-07 |
| 55289-0090-15 | 15 TABLET in 1 BOTTLE, PLASTIC (55289-090-15) | Triamterene and Hydrochlorothiazide | PD-Rx Pharmaceuticals, Inc. | 2017-01-20 |
| 55289-0090-30 | 30 TABLET in 1 BOTTLE, PLASTIC (55289-090-30) | Triamterene and Hydrochlorothiazide | PD-Rx Pharmaceuticals, Inc. | 2016-02-11 |
| 55289-0090-90 | 90 TABLET in 1 BOTTLE, PLASTIC (55289-090-90) | Triamterene and Hydrochlorothiazide | PD-Rx Pharmaceuticals, Inc. | 2016-02-16 |
| 60505-2656-01 | 100 TABLET in 1 BOTTLE (60505-2656-1) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 60505-2656-05 | 500 TABLET in 1 BOTTLE (60505-2656-5) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 60505-2656-07 | 6500 TABLET in 1 BOTTLE (60505-2656-7) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 60505-2657-01 | 100 TABLET in 1 BOTTLE (60505-2657-1) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 60505-2657-05 | 500 TABLET in 1 BOTTLE (60505-2657-5) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 60505-2657-07 | 7000 TABLET in 1 BOTTLE (60505-2657-7) | Triamterene and Hydrochlorothiazide | Apotex Corp. | 2009-09-21 |
| 68001-0327-00 | 100 TABLET in 1 BOTTLE (68001-327-00) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2017-04-30 |
| 68001-0327-03 | 500 TABLET in 1 BOTTLE (68001-327-03) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2017-04-30 |
| 68001-0328-00 | 100 TABLET in 1 BOTTLE (68001-328-00) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2017-04-30 |
| 68001-0328-03 | 500 TABLET in 1 BOTTLE (68001-328-03) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2017-04-30 |
| 68001-0387-03 | 500 TABLET in 1 BOTTLE, PLASTIC (68001-387-03) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2019-06-18 |
| 68001-0388-00 | 100 TABLET in 1 BOTTLE, PLASTIC (68001-388-00) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2019-06-18 |
| 68001-0388-03 | 500 TABLET in 1 BOTTLE, PLASTIC (68001-388-03) | Triamterene and Hydrochlorothiazide | BluePoint Laboratories | 2019-06-18 |
| 68071-1834-01 | 100 TABLET in 1 BOTTLE (68071-1834-1) | Triamterene and Hydrochlorothiazide | NuCare Pharmaceuticals,Inc. | 2018-12-03 |
| 68071-2371-09 | 90 TABLET in 1 BOTTLE, PLASTIC (68071-2371-9) | Triamterene and Hydrochlorothiazide | NuCare Pharmaceuticals,Inc. | 2021-03-18 |
| 68084-0750-25 | 30 BLISTER PACK in 1 BOX, UNIT-DOSE (68084-750-25) / 1 TABL... | Triamterene and Hydrochlorothiazide | American Health Packaging | 2016-03-21 |
| 68382-0856-01 | 100 TABLET in 1 BOTTLE (68382-856-01) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0856-05 | 500 TABLET in 1 BOTTLE (68382-856-05) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0856-10 | 1000 TABLET in 1 BOTTLE (68382-856-10) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0856-77 | 10 BLISTER PACK in 1 CARTON (68382-856-77) / 10 TABLET in 1... | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0857-01 | 100 TABLET in 1 BOTTLE (68382-857-01) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0857-05 | 500 TABLET in 1 BOTTLE (68382-857-05) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0857-10 | 1000 TABLET in 1 BOTTLE (68382-857-10) | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68382-0857-77 | 10 BLISTER PACK in 1 CARTON (68382-857-77) / 10 TABLET in 1... | triamterene and hydrochlorothiazide | Zydus Pharmaceuticals (USA) Inc. | 2018-09-04 |
| 68788-7526-01 | 100 TABLET in 1 BOTTLE, PLASTIC (68788-7526-1) | Triamterene and Hydrochlorothiazide | Preferred Pharmaceuticals, Inc. | 2019-12-27 |
| 68788-7526-03 | 30 TABLET in 1 BOTTLE, PLASTIC (68788-7526-3) | Triamterene and Hydrochlorothiazide | Preferred Pharmaceuticals, Inc. | 2019-12-27 |
| 68788-7526-06 | 60 TABLET in 1 BOTTLE, PLASTIC (68788-7526-6) | Triamterene and Hydrochlorothiazide | Preferred Pharmaceuticals, Inc. | 2019-12-27 |
| 68788-7526-09 | 90 TABLET in 1 BOTTLE, PLASTIC (68788-7526-9) | Triamterene and Hydrochlorothiazide | Preferred Pharmaceuticals, Inc. | 2019-12-27 |
| 70518-1662-00 | 30 TABLET in 1 BLISTER PACK (70518-1662-0) | Triamterene and Hydrochlorothiazide | REMEDYREPACK INC. | 2018-11-12 |
| 70771-1361-00 | 1000 TABLET in 1 BOTTLE (70771-1361-0) | triamterene and hydrochlorothiazide | Zydus Lifesciences Limited | 2018-09-04 |
| 70771-1361-01 | 100 TABLET in 1 BOTTLE (70771-1361-1) | triamterene and hydrochlorothiazide | Zydus Lifesciences Limited | 2018-09-04 |
| 70771-1361-04 | 10 BLISTER PACK in 1 CARTON (70771-1361-4) / 10 TABLET in 1... | triamterene and hydrochlorothiazide | Zydus Lifesciences Limited | 2018-09-04 |
Observed labelers:
Bryant Ranch Prepack (13) ·
Advagen Pharma Ltd (8) ·
Zydus Lifesciences Limited (8) ·
Zydus Pharmaceuticals (USA) Inc. (8) ·
BluePoint Laboratories (7) ·
A-S Medication Solutions (6)
· +10 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.
🗃️ Sources & Limits
Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
- A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
- Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
- Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
- Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.
Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.