Mexiletine is a prescription medication used to treat irregular heartbeats in dogs.

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Mexiletine Basics
Mexiletine is available by prescription only. Mexiletine is used as an extra-label drug by veterinarians. Mexiletine is an antiarrhythmic used to treat irregular heartbeats in dogs.

Mexiletine Warnings
Keep out of the reach of children and pets. Use mexiletine with caution if your pet suffers from congestive heart failure, atrioventricular block, heart attacks, liver disease, hypotension, seizures, or hypersensitivity to mexiletine. Inform your veterinarian if your pet is taking any medications, as mexiletine may interact with some medications, including antacids, aminophylline, cimetidine, quinidine, or theophylline. Store at room temperature, protected from light and moisture.

Mexiletine Directions
Use as directed by your veterinarian. Follow the instructions printed on the prescription label. Allow your pet access to plenty of water while administering mexiletine. Keep away from children and pets. Store at room temperature. Give with food if stomach upset occurs after administration.

If you notice any behavioral or physiological changes in your pet while giving mexiletine, contact your veterinarian immediately.

Serious Side Effects and Adverse Reactions
Serious side effects and adverse reactions can occur. Contact your veterinarian immediately if you believe your pet has overdosed on mexiletine or is experiencing a serious side effect. The most common symptoms of a overdose of mexiletine are central nervous system signs.

Additional information

Prescription Strength

150mg 100 Count Bottle, 200mg 100 Count Bottle, 250mg 100 Count Bottle