PTCE Top 200 · #193

Torsemide

Demadex

Torsemide is the generic name for the brand-name drug Demadex. It is a loop diuretic used to treat edema, HF. On the PTCE Top 200 drug list, Torsemide ranks #193 and is one of the most frequently tested cardiovascular medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic nameTorsemide
Brand name(s)Demadex
Drug classLoop diuretic
Class groupCardiovascular
Common useedema, HF
DEA scheduleUnscheduled
AvailabilityPrescription only (Rx)

What is Torsemide used for?

Treatment of edema associated with heart failure, renal disease, or hepatic disease; treatment of hypertension (some patients).

What drug class is Torsemide?

Torsemide is a Loop 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 Torsemide

Major interactions

Is Torsemide a controlled substance?

No. Torsemide is not a federally controlled substance (it is unscheduled by the DEA).

How to remember Torsemide (PTCE mnemonic)

DEMA-dex DEMands diuresis — torsemide is a loop (longer-acting + better PO bioavailability than furosemide). 'OH DAMN' SEs: Ototoxic, Hypokalemia, Dehydration, Allergy (sulfa), Met-alkalosis, Nephritis.
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PTCE exam tip

Torsemide is furosemide's longer-acting, better-absorbed loop cousin — loop diuretics mean LOW potassium, same as Lasix, and dose-equivalence conversions appear in math items.

Torsemide FAQ

What is the brand name for Torsemide?

The brand name for Torsemide is Demadex.

What is Torsemide used for?

Torsemide is used to treat edema, HF. Treatment of edema associated with heart failure, renal disease, or hepatic disease; treatment of hypertension (some patients).

What drug class is Torsemide?

Torsemide is a Loop diuretic (Cardiovascular group).

Is Torsemide a controlled substance?

No. Torsemide is not a federally controlled substance (it is unscheduled by the DEA).

Related drugs in the Cardiovascular group

Drill Torsemide the way the PTCE asks it

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Last reviewed June 25, 2026. 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).