Last updated: March 2026
How Much Does Vigabatrin (Sabril) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| 500mg Tablets (30-day) | $1,500 – $3,000 | $50 – $300 |
| 500mg Powder Packets (30-day) | $2,000 – $4,000 | $100 – $400 |
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: Specialty Tier 5; restricted distribution (REMS); prior auth required
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
Vigabatrin is a specialty medication with a restricted distribution program (REMS) due to the risk of permanent vision loss. This limits availability and increases cost.
Vigabatrin treats infantile spasms (West syndrome) and refractory complex partial seizures when other treatments have failed.
Yes, vigabatrin can cause permanent peripheral vision loss in up to 30% of patients. Regular eye exams are mandatory through the REMS program.