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Primidone Oral Tablet (PRIMIDONE - ORAL)

This medicine is used for the following purposes:

  • seizures
  • tremors

Brand Name(s): Mysoline

Generic Name: Primidone

Instructions

This medicine may be taken with or without food.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Contact your doctor if your seizures do not improve or worsen while on this medicine.

It is very important that you follow your doctor's instructions for all blood tests.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Family should check on the patient often. Call the doctor if patient becomes more depressed, has thoughts of suicide, or shows changes in behavior.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.

This medicine can cause birth defects. Speak with your doctor about birth control methods that should be used while on this medicine.

Do not take St. John's wort while on this medicine.

Do not share this medicine with anyone who has not been prescribed this medicine.

Some patients have serious side effects from this medicine. Ask your pharmacist to show you the information from the Food and Drug Administration (FDA) and discuss it with you.

Always refill this medicine before it runs out.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • decreased appetite
  • dizziness or drowsiness
  • lack of energy and tiredness
  • headaches
  • nausea and vomiting

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • loss of balance
  • change in behavior
  • shallow, irregular breathing
  • unusual bruising or discoloration on skin
  • fainting
  • slow heartbeat
  • mood changes
  • pale or blue skin, lips or fingernails
  • problems with sexual functions or desire
  • shortness of breath
  • slurred speech
  • suicidal thoughts
  • unusual or unexplained tiredness or weakness
  • unsteadiness while walking
  • blurring or changes of vision

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.