MO HB2243

Repeals and replaces section 338.056 of Missouri law regarding generic drug substitution by pharmacists.

Requires pharmacists, pharmacy interns, and pharmacy technicians to notify the prescriber and patient (or designated family member or friend) before interchanging anti-epileptic drugs between different manufacturers, including generic-to-brand, brand-to-generic, or generic-to-generic substitutions.

Defines "interchange" as dispensing one manufacturer's anti-epileptic drug in place of another manufacturer's version when the patient is currently receiving therapy for epilepsy or seizures.

Exempts prescriptions dispensed to inpatients of hospitals, long-term care facilities, or facilities licensed by the Department of Mental Health from the notification requirement.

Maintains existing pharmacist authority to substitute generic equivalents for brand-name drugs in non-anti-epileptic cases, subject to prescriber authorization on written prescriptions or oral instruction.