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What happens if I miss a dose (Mexitil)?

Try not to miss any doses of this medication. Missing doses could be very dangerous.

If you do miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take only your next regularly scheduled dose. Do not take a double dose of this medication. A double dose could be dangerous.

What happens if I overdose (Mexitil)?

Seek emergency medical attention.

Symptoms of a mexiletine overdose include nausea, seizures, numbness or tingling, tiredness, dizziness, a loss of consciousness, and a worsening irregular heartbeat.

What should I avoid while taking mexiletine (Mexitil)?

Use caution when driving, operating machinery, or performing other hazardous activities. Mexiletine may cause dizziness, drowsiness, or blurred vision. If you experience dizziness, drowsiness, or blurred vision, avoid these activities.

Follow any other special instructions your doctor gives you regarding food, beverages, or activities.

What other drugs will affect mexiletine (Mexitil)?

Before taking mexiletine, tell your doctor if you are taking any of the following medicines:

• phenytoin (Dilantin), mephenytoin (Mesantoin), or ethotoin (Peganone);
• rifampin (Rimactane, Rifadin);
• metoclopramide (Reglan);
• cimetidine (Tagamet, Tagamet HB); or
• theophylline (Theo-Dur, Theolair, Elixophyllin, Slo-Phyllin, others).

You may require a dosage adjustment or special monitoring if you are taking any of the medicines listed above.

Drugs other than those listed here may also interact with mexiletine. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

Where can I get more information?

Your pharmacist can provide more information about mexiletine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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