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Acarbose Dosage

Medically reviewed by Last updated on Sep 7, 2023.

Applies to the following strengths: 50 mg; 100 mg; 25 mg

Usual Adult Dose for Diabetes Type 2

Individualize dose based on efficacy and tolerability:

Initial dose: 25 mg orally 3 times a day

Maintenance dose: 50 mg to 100 mg orally 3 times a day
Maximum dose: Weight 60 kg or less: 50 mg orally 3 times a day; Weight greater than 60 kg: 100 mg orally 3 times a day


Use: As an adjunct to diet and exercise to improve glycemic control in patients with type 2 diabetes mellitus.

Renal Dose Adjustments

Significant renal dysfunction (serum creatinine greater than 2 mg/dL): Use is not recommended

Liver Dose Adjustments

Use with caution

If elevated transaminase levels develop: Dose reduction or withdrawal of therapy may be necessary, especially if elevations persist.

Dose Adjustments

Gastrointestinal Adverse Effects:


Body Weight of 60 kg or less: Maximum recommended dose is 50 mg orally 3 times a day because of increased risk for elevated serum transaminases.


Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:



Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.