Take mexiletine exactly as directed by your family doctor , even though you may feel well. Do not take more drug than ordered.
To lessen the possibility of stomach upset, mexiletine must be taken with food or immediately after meals or with milk or an antacid.
This drug works best when there is a constant amount in the blood. To help keep this amount constant, do not miss any doses. Also it is best to take the doses at evenly spaced times day and night . For example, if you are to take 3 doses a day, the doses must be spaced about 8 hours apart. If this interferes with your sleep or other daily activities, or if you need help in planning the best times to take your drug, check with your health care professional.
The number of capsules that you take depends on the strength of the drug.
Missed dose If you miss a dose of this drug and remember within 4 hours, take it as soon as possible. Then go back to your regular dosing schedule. However, if you do not remember until later, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage To store this drug: