In this Article

• What is mexiletine (Mexitil)?
• What are the possible side effects of mexiletine (Mexitil)?
• What is the most important information I should know about mexiletine (Mexitil)?
• What should I discuss with my healthcare provider before taking mexiletine (Mexitil)?
• How should I take mexiletine (Mexitil)?
• What happens if I miss a dose (Mexitil)?
• What happens if I overdose (Mexitil)?
• What should I avoid while taking mexiletine (Mexitil)?
• What other drugs will affect mexiletine (Mexitil)?
• Where can I get more information?

What should I discuss with my healthcare provider before taking mexiletine (Mexitil)?

Before taking mexiletine, tell your doctor if you have

• any other type of heart disease or heart problem,
• liver disease, or
• seizures or epilepsy.

You may not be able to take mexiletine, or you may require a lower dose or special monitoring during treatment if you have any of the conditions listed above.

Mexiletine is in the FDA pregnancy category C. This means that it is not known whether mexiletine will harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant.

Mexiletine passes into breast milk. It is not known whether mexiletine will affect a nursing infant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.

How should I take mexiletine (Mexitil)?

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

Take each dose with a full glass of water.

Also, take mexiletine with food or an antacid to lessen stomach upset.

Do not skip doses, change your dosing schedule, or stop taking mexiletine without talking to your doctor. Changing your schedule could make your condition much worse.

Store mexiletine at room temperature away from moisture and heat.