Which of the following statements about tolbutamide is incorrect?

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It is administered by mouthIt is prescribed for type 1 diabetes mellitusIt can induce adverse reactions when combined with alcoholIt stimulates insulin secretion from the pancreasNone of the above

Explanation

Tolbutamide is an oral hypoglycemic agent that works by promoting insulin release from pancreatic beta cells. It is primarily used to treat type 2 diabetes mellitus, not type 1 diabetes, as type 1 patients lack sufficient insulin production. Additionally, tolbutamide can cause a disulfiram-like reaction when taken with alcohol. Therefore, the incorrect statement is that it is used in type 1 diabetes mellitus.