Mexiletine Oral Capsule (MEXILETINE - ORAL)

For irregular heartbeat.

Generic Name: Mexiletine

Instructions

Take the medicine with 250 mL (1 cup) of water.

You may take with food or antacids to prevent stomach upset.

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.

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.

Tell your doctor if symptoms do not get better or if they get worse.

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

Cautions

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

Some patients with weak hearts may have worsening of symptoms. If you notice difficulty breathing, weight gain, or swelling of your legs or ankles, let your doctor know right away.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this 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.

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.

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

If you have had a heart attack within the past 6 months, talk to your doctor before using this medicine.

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

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.

  • loss of balance
  • dizziness
  • headaches
  • nausea and vomiting
  • nervousness
  • shakiness
  • stomach upset or abdominal pain

If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.

  • confusion
  • drowsiness or sedation

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

  • chest pain
  • swelling of the legs, feet, and hands
  • fainting
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
  • seizures
  • shortness of breath

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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