What is the brand name for Hydrochlorothiazide / Triamterene?
The most common brand name for Hydrochlorothiazide / Triamterene is Dyazide / Maxzide.
PTCB TOP 200 · #115
Hydrochlorothiazide / Triamterene
Dyazide / Maxzide
Hydrochlorothiazide / Triamterene is the generic name for the brand-name drug Dyazide. It is a thiazide + k-sparing diuretic used to treat hypertension, edema. On the PTCE Top 200 drug list, Hydrochlorothiazide / Triamterene ranks #115 and is one of the most frequently tested cardiovascular medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.
| Generic name | Hydrochlorothiazide / Triamterene |
|---|---|
| Brand name(s) | Dyazide / Maxzide |
| Drug class | Thiazide + K-sparing diuretic |
| Class group | Cardiovascular |
| Common use | hypertension, edema |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Hydrochlorothiazide / Triamterene used for?
Combination diuretic used for hypertension and edema (thiazide + potassium‑sparing) to lower BP and reduce fluid while limiting potassium loss.
What drug class is Hydrochlorothiazide / Triamterene?
Hydrochlorothiazide / Triamterene is a Thiazide + K-sparing diuretic in the Cardiovascular group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.
Common side effects of Hydrochlorothiazide / Triamterene
- arrow_rightDizziness
- arrow_rightFrequent urination
- arrow_rightElectrolyte changes
- arrow_rightHigh potassium (hyperkalemia)
- arrow_rightHigh uric acid/gout
- arrow_rightPhotosensitivity
Major interactions
- arrow_rightACE inhibitors/ARBs or potassium supplements/salt substitutes ↑ hyperkalemia risk (due to triamterene)
- arrow_rightNSAIDs may ↓ diuretic/antihypertensive effect and worsen renal function
- arrow_rightLithium levels may increase → toxicity
- arrow_rightOther drugs affecting electrolytes (digoxin, antiarrhythmics): monitor K+/Mg2+
Is Hydrochlorothiazide / Triamterene a controlled substance?
No. Hydrochlorothiazide / Triamterene is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Hydrochlorothiazide / Triamterene (PTCE mnemonic)
DY-azide pairs DIuretics — HCTZ (wastes K+) + triamterene (spares K+) = net K+ neutral. Still monitor K+ + renal; sulfa allergy from HCTZ.
lightbulb
PTCE exam tip
Dyazide pairs potassium-WASTING HCTZ with potassium-SPARING triamterene — identifying both components and the potassium logic is the exam point.
Hydrochlorothiazide / Triamterene FAQ
What is Hydrochlorothiazide / Triamterene used for?
Hydrochlorothiazide / Triamterene is used to treat hypertension, edema. Combination diuretic used for hypertension and edema (thiazide + potassium‑sparing) to lower BP and reduce fluid while limiting potassium loss.
What drug class is Hydrochlorothiazide / Triamterene?
Hydrochlorothiazide / Triamterene is a Thiazide + K-sparing diuretic (Cardiovascular group).
Is Hydrochlorothiazide / Triamterene a controlled substance?
No. Hydrochlorothiazide / Triamterene is not a federally controlled substance (it is unscheduled by the DEA).
Study guides that cover Hydrochlorothiazide / Triamterene
Free, in-depth guides to the patterns behind this drug — no app needed.
Drug suffix cheat sheetthe suffix that gives away this drug's class
How to memorize the Top 200 drugsa method for locking in brand↔generic pairs
Pharmacy math cheat sheetthe five calculation types the PTCE asks
What changed on the 2026 PTCB examthe new domain weights for 2026See all PTCE study guides or browse the full Top 200 drug list.
Drill Hydrochlorothiazide / Triamterene the way the PTCE asks it
RxReflex turns the Top 200 drugs into fast flashcard rounds, a guided Learn path, pharmacy math, and 40+ cheat sheets. Free to start.
Related drugs in the Cardiovascular group
Written and reviewed by the RxReflex Content Team. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).