Endocrine Drugs & Autacoids · NEET PG Preparation Pharmacology

Which of the following oral antidiabetic drugs carries a black box warning for causing or worsening congestive heart failure and is contraindicated i…

Practice question from Endocrine Drugs & Autacoids (NEET PG Preparation Pharmacology), with the correct answer and a step-by-step solution.

medium · MCQ · Q-E61E64

Which of the following oral antidiabetic drugs carries a black box warning for causing or worsening congestive heart failure and is contraindicated in NYHA Class III and IV heart failure?

  1. A.Metformin
  2. B.Glimepiride
  3. C.PioglitazoneCorrect answer
  4. D.Acarbose

Solution

Thiazolidinediones like pioglitazone cause fluid retention and plasma volume expansion, which can precipitate or exacerbate heart failure, making them contraindicated in NYHA Class III and IV heart failure.

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