PTCE Top 200 · #133

Pioglitazone

Actos

Pioglitazone is the generic name for the brand-name drug Actos. It is a thiazolidinedione (tzd) used to treat type 2 diabetes. On the PTCE Top 200 drug list, Pioglitazone ranks #133 and is one of the most frequently tested endocrine/diabetes medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic namePioglitazone
Brand name(s)Actos
Drug classThiazolidinedione (TZD)
Class groupEndocrine/Diabetes
Common usetype 2 diabetes
DEA scheduleUnscheduled
AvailabilityPrescription only (Rx)

What is Pioglitazone used for?

Adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.

What drug class is Pioglitazone?

Pioglitazone is a Thiazolidinedione (TZD) in the Endocrine/Diabetes 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 Pioglitazone

Major interactions

Is Pioglitazone a controlled substance?

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

warning Boxed warning

WARNING: CONGESTIVE HEART FAILURE. Thiazolidinediones, including pioglitazone, can cause or exacerbate heart failure; monitor and discontinue or reduce dose if HF develops.

How to remember Pioglitazone (PTCE mnemonic)

ACTOS ACTivates PPAR-γ — pio-GLITAZONE is TZD. 'PIO = PUFFY' (edema, weight gain) → HF boxed warning; bladder cancer risk; bone fractures in women.
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PTCE exam tip

The TZD boxed warning IS the question: pioglitazone causes fluid retention and can worsen heart failure — avoided in significant HF.

Pioglitazone FAQ

What is the brand name for Pioglitazone?

The brand name for Pioglitazone is Actos.

What is Pioglitazone used for?

Pioglitazone is used to treat type 2 diabetes. Adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.

What drug class is Pioglitazone?

Pioglitazone is a Thiazolidinedione (TZD) (Endocrine/Diabetes group).

Is Pioglitazone a controlled substance?

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

Related drugs in the Endocrine/Diabetes group

Drill Pioglitazone 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).