Last updated: March 2026
How Much Does Lacosamide (Vimpat) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| 50-100mg Tablets (30-day) | $300 – $600 | $30 – $80 |
| 200mg Tablets (30-day) | $400 – $800 | $40 – $100 |
| Oral Solution 10mg/mL | $350 – $700 | $35 – $90 |
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 3 brand; generic available in some markets; prior auth may apply
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
Vimpat is a newer brand-name anti-seizure medication. Generic lacosamide has recently become available, which should lower costs significantly.
Lacosamide treats partial-onset seizures in patients 4 years and older as monotherapy or add-on therapy.
Yes, dizziness, headache, and double vision are common side effects, especially during dose increases.