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Mysoline, |primidone

primidone

Generic Name: primidone (PRIM i done)
Brand Names: Mysoline

What is primidone?

Primidone is used to control seizures. The exact way that it works is unknown. However, it is believed that primidone alters the chemical impulses in the brain that cause seizures.

Primidone may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about primidone?

Carry or wear a medical identification tag to let others know that you are taking this medicine in the case of an emergency.

What should I discuss with my healthcare provider before taking primidone?

Discuss with your doctor any other medical conditions that you have and any medicines that you take, including over-the-counter preparations.

How should I take primidone?

Take primidone exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Carry or wear a medical identification tag to let others know that you are taking this medicine in the case of an emergency.

What happens if I miss a dose?

Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the dose you missed and take only your next regularly scheduled dose. Do not take a double dose of this medication.

What happens if I overdose?

Symptoms of a primidone overdose include dizziness; drowsiness; an uncoordinated feeling; nausea; vomiting; blurred vision; and irregular, rapid eye movements.

What should I avoid while taking primidone?

Primidone side effects

• an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);

• a rash;

• worsening of seizures; or

• a fever.

Other, less serious side effects may be more likely to occur. Continue to take primidone and talk to your doctor if you experience

• dizziness, poor coordination, or drowsiness;

• blurred or double vision;

• irregular back-and-forth movements of the eyes; or

• nausea and vomiting.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect primidone?

Primidone interacts with most other antiepileptic medicines.

Acetazolamide (Diamox), carbamazepine (Tegretol), ethosuximide (Zarontin), and methsuximide (Celontin) may all decrease the effects of primidone, and larger primidone doses may be necessary.

Phenytoin (Dilantin), ethotoin (Peganone), mephenytoin (Mesantoin), and isoniazid (Nydrazid) may increase blood levels of primidone. An adjustment of your primidone dosage may be necessary.

Carbamazepine (Tegretol) blood levels may be higher during therapy with primidone. An adjustment of the carbamazepine dosage may be necessary.

Drugs other than those listed here may also interact with primidone. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

Where can I get more information?

• Your pharmacist has additional information about primidone written for health professionals that you may read.

What does my medication look like?

Primidone is available with a prescription under the brand name Mysoline. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medicine, especially if it is new to you.

• Mysoline 50 mg--square, white, scored tablets

• Mysoline 250 mg--square, yellow, scored tablets

• Mysoline Oral Suspension 250 mg per 5 mL (1 teaspoon)

• Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
• Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ("Multum") is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum"s drug information does not endorse drugs, diagnose patients or recommend therapy. Multum"s drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.