Prescription onlyLower-cost generic availableClass: Cardiovascular



Prescription onlyLower-cost generic availableClass: Cardiovascular
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Treats heart rate problems.

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Our bottom line

Mexitil (mexiletine) is a drug that helps the heart in extreme situations when it isn't beating normally, especially when other drugs haven't worked well.

Price and discounts
Best available price for 90 (150mg) capsules of mexiletine


  • It's a decent option for treating life-threatening heart rate problems, especially when other medicines or procedures haven't worked.
  • It's available as a generic drug, so it should be more affordable than the brand version.


  • Your heart requires close monitoring while taking Mexitil (mexiletine) to make sure it is working well.
  • Mexitil (mexiletine) can cause some liver damage.
  • You'll need to be monitored regularly for side effects by taking routine blood tests and heart tests.
  • It's not a good choice if you have liver problems or a history of heart failure.
How it works

Mexitil (mexiletine) is anti-arrhythmic medicine. It treats heart rate problems by blocking bad electrical signals in your heart and helps it keep beating normally.

What to expect when you take Mexitil (mexiletine) for Anti-arrhythmic

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Side effect rates for Mexitil (mexiletine)

102 From clinical trials of mexiletine / Anti-arrhythmia
  • Chest pain
  • Nausea/vomiting/heartburn
  • Dizziness/lightheadedness
  • Tremor
  • Nervousness
  • Coordination difficulties
  • Changes in sleep habits
  • Heart pounding or racing sensation
  • Blurred vision
  • Headache

Risks and Warnings for Mexitil (mexiletine)

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    • Higher risk if:
    • Had a heart attack in the past 2 years

    Mexitil (mexiletine) can lead to an increased risk of death in patients who've had a heart attack. Mexitil (mexiletine) should only be used when no other options are available.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Mexitil (mexiletine)

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  • Mexitil (mexiletine) can be taken with food.
Kidneys and liver
  • It's not a good choice if you have liver problems or a history of heart failure.