Active substance
Methsuximide
2 products from 2 companies contain this in United States.
2 prescription onlyCapsule
Prescription only
Celontin300 mgPrescription only Parke-Davis Div of Pfizer Inc · MethsuximideMethsuximide300 mgPrescription only ANI Pharmaceuticals, Inc. · Methsuximide
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.