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Levocarnitine

Generic name: levocarnitine

Brand names: Carnitor, L-Carnitine, L-Carnitine Plus, Carnitor SF

Last updated November 2, 2026 0 views
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What is levocarnitine?

Levocarnitine is used to treat carnitine deficiency.

Levocarnitine may also be used for reasons not mentioned in this medication guide.

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Warnings

Use only as directed. Inform your doctor if you are taking other medicines or have other medical conditions or allergies.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

Ask a doctor or pharmacist if levocarnitine is safe to use if you have ever had:

  • seizures or epilepsy;
  • if you use a blood thinner (such as warfarin) and you have routine "INR" or prothrombin time tests; or
  • kidney disease (or if you are on dialysis).

Tell your doctor if you are pregnant or breastfeeding.

Do not give this medicine to a child without medical advice.

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Levocarnitine side effects

Get emergency medical help if you have signs of an allergic reaction: hives, difficulty breathing, swelling of your face, lips, tongue, or throat.

Levocarnitine may cause serious side effects. Call your doctor right away if you have:

  • a seizure.

Common side effects of levocarnitine may include:

  • stomach pain;
  • nausea, vomiting; or
  • diarrhea.

This is not a complete list of side effects and others may happen. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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How should I use levocarnitine?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Levocarnitine injection is injected into a vein by a healthcare provider.

Levocarnitine oral is taken by mouth. Your pharmacist can provide more information about how to take this medicine.

Measure liquid medicine with the supplied measuring device (not a kitchen spoon).

The liquid medicine can be taken alone or mixed with a beverage or soft food. Sip or eat the mixture slowly.

Levocarnitine should be taken evenly spaced. This medicine works best if you take it with a meal or after a meal.

Your blood will be tested before and during treatment with levocarnitine. Your blood pressure and other vital signs will also need to be checked often.

Store at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

Use the medicine as soon as possible, but skip the missed dose if it is nearly time for your next dose. Do not take two doses at the same time.

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What happens if I overdose?

Seek emergency medical help or call the Poison Help line at 1-800-222-1222.

Follow your doctor's guidance regarding any limits on food, drinks, or activities.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect levocarnitine?

Other drugs may affect levocarnitine, including prescription and over-the-counter medicines, vitamins, and herbal products. Inform your doctor about all other medicines you are using.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.