L-Carnitine

Why has my veterinarian prescribed this medicine?

L-Carnitine is an amino acid derivative. It is synthesized from methionine and lysine. The body requires L-carnitine for energy metabolism. This medication has been used as adjunctive therapy for dogs with dilated cardiomyopathy. Other uses include protection against doxorubicin-induced cardiomyopathy and reduction of the risk of damage to the myocardium due to interruption of the blood supply to this area. L-carnitine has been used in cats as adjunctive therapy to facilitate metabolism of liver fat.

How do I give this medication?

• Give this medication to your pet as directed by your veterinarian. READ THE LABEL CAREFULLY.
• If the medicine is a liquid, measure the dose with reasonable care.
• Give this medication with meals to decrease the likelihood of stomach upset.
• Try to give this medication at about the same time(s) each day.
• DO NOT give the pet more medicine than directed.
• DO NOT give the medicine more often than directed.
• Try not to miss giving any doses.

What do I do if I miss giving a dose?

Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give the pet two doses at once.

How do I store this medicine?

• Keep this medicine out of reach of children.
• Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight.
• Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.

What are the potential side effects?

"Side effects are rare."

• Side effects are rare.
• Occasionally, stomach upset may occur. Loose stools or possibly diarrhea, nausea and vomiting are possible.
• Other side effects may occur. If you notice anything unusual, contact your veterinarian.

Are there any possible drug interactions?

• Make sure to tell your veterinarian if you are giving your pet any other medication or supplements.
• Quite often, your veterinarian may prescribe two different medications, and sometimes a drug interaction may be anticipated. If this occurs, your veterinarian may vary the dose and/or monitor your pet more closely.
• The following drug can potentially interact with L-carnitine: valproic acid.
• Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.