levocarnitine /-kär″nitēn/ , an oral drug for carnitine deficiency. ▪ INDICATIONS: It is prescribed for the treatment of primary systemic carnitine deficiency. ▪ CONTRAINDICATIONS: It should not be given to patients with a known hypersensitivity to carnitine. ▪ ADVERSE EFFECTS: Adverse effects include nausea, dizziness, vomiting, abdominal cramps, diarrhea, and body odor.