Primidone is an anticonvulsant of the barbiturate class. It is a structural analog of phenobarbital and related to barbiturate-derivative anticonvulsants. Primidone (Mysoline) is and anti-seizure medication that is used for people with grand mal, psychomotor, and epileptic seizures. Read more about the dosing, side effects, and pregnancy safety information. Primidone is used alone or with other medications to control seizures. Controlling and reducing seizures lets you do more of your normal daily activities, reduces your risk of harm when you lose consciousness, and lessens your risk for a possibly life-threatening condition of frequent, repeated seizures. Primidone side effects. Get emergency medical help if you have signs of an allergic reaction: hives, mouth sores, skin rash with blistering and peeling; difficult breathing; swelling of your face, lips, tongue, or throat. Primidone is a moderately priced drug used to control seizures in certain types of epilepsy. It is not for use in absence (petit mal) seizures. Easy-to-read patient leaflet for Primidone. Includes indications, proper use, special instructions, precautions, and possible side effects. Primidone etkin maddesi hakkında kısa bilgi. Antiepileptik. Yetişkinde günde bir kez 125mg ile başlanır. İkiye bölünerek max 6-8 tablet/gün. La primidone est une molécule de la famille des barbituriques. Elle est utilisée principalement contre les épilepsies partielles et généralisées. By mouth. For Child 1 month–1 year. Initially 125 mg daily, dose to be taken at bedtime, then increased in steps of 125 mg every 3 days, adjusted according to response; maintenance 125–250 mg twice daily. Possiede 2 metaboliti attivi principali, il feniletilmalonamide (PEMA) e il fenobarbital, e un metabolita minore, il p-idrossiprimidone, tuttavia il primidone non può essere considerato un profarmaco perché è dotato di attività farmacologica intrinseca.