US pharmacy pricing

Celontin Cost Without Insurance — US Pharmacy Price Guide

Brand availableRx requiredUS pricing onlycapsule

Lowest price found · US pharmacies

$50.36/fill

for Methsuximide, across the pharmacies in our data

US pharmacy prices — 300mg

PharmacyDiscount-card priceRegular cash priceAverage retail
Walgreens$50.36Lowest$53.36$13.99
CVS Pharmacy$51.99$54.99$13.99
Publix$82.87$85.87$13.99
Kroger Pharmacy$110.13$113.13$13.99
Harris Teeter Pharmacy$110.13$113.13$13.99
Walmart Neighborhood Market$120.52$123.52$13.99
Walmart Pharmacy$120.52$123.52$13.99
Food Lion$124.52$124.52$13.99
Costco$126.52$126.52$13.99

"Discount-card price" reflects a standard prescription discount card, not insurance. Prices change often — confirm at the pharmacy before filling.

Interchangeable forms

Per RxNorm (U.S. National Library of Medicine), these share the same active ingredient and strength as Methsuximide.

Other brand names
Celontin
Generic clinical forms
methsuximide 300 MG Oral Capsule

Frequently asked questions

What's the cash price for Methsuximide (Celontin) in the US?

Our most recent US pharmacy data shows a low of roughly $50.36 for Methsuximide with a standard discount card. That figure moves with dosage and quantity — check the comparison table for the exact combination you need.

Does Methsuximide have a generic equivalent?

Generic and brand-name pricing for Methsuximide is broken out in the tables above where both exist in our data. Generic versions are typically the lower-cost option, but availability depends on the specific formulation and dosage.

What can I expect to pay for Celontin with health insurance?

Your out-of-pocket cost for Celontin with insurance depends entirely on your specific plan's formulary, copay structure, and deductible. In some cases, a prescription discount program may offer a price lower than your insurance copay. It's advisable to ask your pharmacist to compare the price using your insurance versus using a savings program to identify the most affordable option.

Is Celontin covered by Medicare, and what are the costs?

Yes, Celontin is typically covered by Medicare Part D and Medicare Advantage plans that include prescription drug benefits. The cost for Medicare beneficiaries will depend on their specific plan's formulary tier, copay, and whether they are in the deductible phase. For individuals without Medicare drug coverage, other savings options, such as manufacturer coupons, may be available to help manage the expense.

Is a generic version of Celontin available?

Celontin is a brand-name drug containing the active ingredient methsuximide. As of now, there is no FDA-approved generic equivalent for methsuximide available on the market.