What is Mexiletine? Uses, warnings & side effects

Your doctor will tell you how much to use and how often. Do not use more medicine or use it more often than your doctor tells you to.

May be taken with food, milk, or antacids to avoid stomach upset.

You may need to carry identification to let others know you are using mexiletine. Ask your doctor about this.

Your doctor will tell you how much to use and how often. Do not use more medicine or use it more often than your doctor tells you to.

May be taken with food, milk, or antacids to avoid stomach upset.

You may need to carry identification to let others know you are using mexiletine. Ask your doctor about this.

If you use mexiletine 3 times daily and you miss a dose, take your medicine as soon as possible if you are less than 4 hours late. If you use the medicine twice a day, take the missed dose as soon as possible if you are less than 6 hours late.

Otherwise, skip the missed dose and go back to your regular dosing schedule.

You should not use two doses at the same time.

You should not use this medicine if you have ever had an allergic reaction to mexiletine, lidocaine, or tocainide. This drug should not be used with some heart disorders, liver disease, or seizures - check with your doctor.

Make sure your doctor knows if you are pregnant or breastfeeding, or if you have heart disease, liver disease, seizures, or low blood pressure.

Tell your doctor or dentist that you are using mexiletine before having any kind of surgery.

Do not suddenly stop using this medicine without asking your doctor.

Mexiletine may make you dizzy or drowsy. Be careful if you drive a car or operate machinery.

Do not smoke while using this medicine.

Tell your doctor if you are also using phenytoin (Dilantin®), or other heart medicines such as lidocaine or digoxin (Lanoxin®).

Do not suddenly stop using this medicine without asking your doctor.

Mexiletine may make you dizzy or drowsy. Be careful if you drive a car or operate machinery.