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Purpose of Mysoline

Primidone, sold under various brand names, is a barbiturate drug used to treat partial-onset seizures, generalized seizures, and essential tremors. Taken orally. Common side effects include drowsiness, incoordination, nausea, and loss of appetite.


Mysoline Uses

Mysoline is used alone or with other drugs to control seizures. Controlling and reducing seizures to allow more normal daily activities, reduce the risk of harm from unconsciousness, and reduce the risk of potentially life-threatening conditions from frequently recurring seizures. This drug belongs to a class of drugs known as barbiturate anticonvulsants. Mysoline works by controlling the abnormal electrical activity in the brain that occurs during seizures.


How do you use Mysoline

Take this medicine with or without food, usually 3 to 4 times a day, or as directed by your doctor. Take it with food or milk if you have an upset stomach. Your doctor may tell you to start this medicine at bedtime with a low dose and gradually increase the dose to avoid side effects such as drowsiness or dizziness. When you start taking this medicine, your doctor may ask you to continue taking your previous medicine and gradually reduce the dose. Dosage is based on the medical condition, blood levels of primidone, use of other medications to treat seizures, and response to treatment. It may take several weeks to reach the optimal dose.


Mysoline Dosage


Days 1-3: 100-125 mg before bedtime

Days 4-6: 100-125 mg b.i.d

Days 7-9: 100-125 mg t.i.d

Day 10 to : 250 mg t.i.d


For most adults and their children over the age of 8, the usual maintenance dose is three to four Mysoline 250 mg tablets in divided doses (250 mg three times a day or four times a day). If necessary, the dose may be increased to 5-6 tablets of 250 mg daily, but the daily dose should be 500 mg


Mysoline Side Effects


If any of these effects last or get worse, notify your doctor or pharmacist promptly.


If you experience any unlikely but serious side effects, such as unsteady gait/clumsiness, decreased sexual performance/interest, or double vision, consult your doctor immediately.


Mysoline Storage

Store Mysoline at 20°C to 25°C (68°F to 77°F).


About USH

Although USA Script Helpers is not covered by Medicare, USA Script Helpers offers medical expense reports that you may submit to your local insurance companies. Should you be reimbursed that is separate from us. USA Script Helpers makes it easy to buy Canadian medicine online. USA Script Helpers also offers the best-priced* guaranteed for all medications. For more information, call us at 1 (888) 646-7749.

ATTENTION REQUIRED: All customer support calls and chats will be with English Reps. Should you require additional assistance in Spanish please send us an email to a member of our chat team and email support will send you emails in Spanish.

SHIPPING ADVISORY: Please be advised that due to Covid-19, Canada Post and USPS have both removed their shipping guarantee. Therefore, orders may take 7-10 business days to receive. Please be sure to place your order sooner rather than later. Should you not receive your medication within the quoted time please do not hesitate to give us a call at our toll free number 1-888-646-7749 to speak to a member of our customer support team. Thank you.

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Due to Covid-19 both USPS AND CANADA POST have removed their shipping guarantees. Therefore, orders may take 7-10 business days to receive from the date shipped. We ask all new and returning customers to place their orders prior to your own personal supplies running low. Please order ahead of time. We thank you for your cooperation

3-Month Supplies

As the amount of medicine constituting a day supply depends on your doctors directions for use, different patients are permitted to order different quantities. Placing an order for more than a 3-month supply may delay your order as we will need to contact you. Contact us for assistance if your 3-month rule compliant desired quantity is not shown.


If you have any questions or would like to speak to a Pharmacist from our contracted Pharmacy department, please do not hesitate to give us a call at our toll free number: 1 (888) 646-7749.