Last updated: March 2026
How Much Does Acarbose Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Acarbose 25mg (generic) | $15 – $25 | $3 – $10 |
| Acarbose 50mg (generic) | $15 – $30 | $4 – $12 |
| Acarbose 100mg (generic) | $20 – $40 | $5 – $15 |
What Affects the Cost
- Brand-name vs. generic availability
- Insurance formulary tier placement
- Pharmacy choice (retail vs. mail-order vs. Costco)
- Manufacturer savings cards and coupons
- Dosage and quantity prescribed
- Geographic location
Insurance Coverage
Typical coverage: Tier 2 generic — alpha-glucosidase inhibitor; less commonly prescribed
Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.
How to Save Money
- Always ask for generic when available — saves 50-90%
- Use GoodRx, RxSaver, or similar discount cards
- Costco pharmacy is open to non-members and often has lowest prices
- Mark Cuban's Cost Plus Drugs offers transparent low pricing
- Manufacturer patient assistance programs provide free medication to qualifying patients
- HSA/FSA funds can cover medication costs tax-free
Related Procedures & Costs
Frequently Asked Questions
Generic acarbose costs $15 to $40 per month without insurance. It is more expensive than sulfonylureas but still relatively affordable compared to newer diabetes medications.
Acarbose slows the digestion of carbohydrates by inhibiting alpha-glucosidase enzymes in the small intestine. This reduces blood sugar spikes after meals.
Gastrointestinal side effects including bloating, gas, and diarrhea are very common, especially when starting treatment. These often improve over time if carbohydrate intake is managed.