Methsuximide Oral Capsule (METHSUXIMIDE - ORAL)

For seizures.

Brand Name(s): Celontin

Generic Name: Methsuximide

Instructions

Do not use capsules that are damaged, less than full, or with content that appears to be melted.

This medicine may be taken with or without food.

Swallow with a full glass (8 oz) of water unless your doctor gives you different instructions.

This medicine will work best if you take it at about the same time every day.

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

Do not store above 77 degrees F (25 degrees C).

Please ask your doctor, nurse, or pharmacist how to discard unused medicines safely.

It may take several weeks for this medicine to fully work.

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.

If you need to stop this medicine, your doctor may wish to gradually reduce the dosage before stopping.

Keep all appointments for medical exams and tests while on this medicine.

Do not take more than 4 pills in a day.

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.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

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.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Always carry an ID card or wear a medical alert bracelet indicating your medical condition.

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.

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
  • loss of balance
  • dizziness or drowsiness
  • headaches
  • nausea and vomiting
  • stomach upset or abdominal pain
  • weight loss

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

  • decreased awareness or responsiveness
  • change in behavior
  • bleeding or bruising
  • slow or shallow breathing
  • changes in memory, mood, or thinking
  • depression or feeling sad
  • fever
  • pain in the joints
  • mood changes
  • rapid breathing
  • butterfly-shaped rash on nose and cheeks
  • sore throat
  • suicidal thoughts
  • unusual or unexplained tiredness or weakness

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.

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