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Carnitor Injection Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Carnitor (levocarnitine) Injection is an amino acid supplement used to prevent and treat low blood levels of carnitine. This medication is available in generic form. Common side effects include upset stomach, nausea, vomiting, diarrhea, headache, muscle pain/weakness, swelling of hands/lower legs/feet, tingling skin, or body odor ("fishy" smell).
The recommended dose of Carnitor is 50 mg/kg given as a slow 2-3 minute bolus injection or by infusion. Carnitor may interact with other drugs. Tell your doctor all medications and supplements you use. During pregnancy, Carnitor should be used only if prescribed. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.
Our Carnitor (levocarnitine) Injection Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Carnitor Injection Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Carnitor Injection (Levocarnitine Injection)
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Carnitor Injection FDA Prescribing Information: Side Effects
Transient nausea and vomiting have been observed. Less frequent adverse reactions are body odor, nausea, and gastritis. An incidence for these reactions is difficult to estimate due to the confounding effects of the underlying pathology.
Seizures have been reported to occur in patients, with or without pre-existing seizure activity, receiving either oral or intravenous levocarnitine. In patients with pre-existing seizure activity, an increase in seizure frequency and/or severity has been reported.
The table below lists the adverse events that have been reported in two double-blind, placebo-controlled trials in patients on chronic hemodialysis. Events occurring at ≥ 5% are reported without regard to causality.
Adverse Events with a Frequency ≥ 5% Regardless of Causality
by Body System
10 mg (n=34)
20 mg (n=62)
40 mg (n=34)
10, 20 & 40 mg (n=130)
|Body as Whole|
|Injection site reaction||59||38||27||38||33|
|Skin and Appendages|
|Urinary tract infect||6||3||3||2|
Read the entire FDA prescribing information for Carnitor Injection (Levocarnitine Injection)
Additional Carnitor Injection Information
Carnitor Injection - User Reviews
Carnitor Injection User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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