Levomethadyl is no longer available in the United States. If you are currently taking levomethadyl, you should call your doctor to discuss switching to another treatment. Levomethadyl can cause irregular heartbeat, which can be life-threatening. If you experience any of the following symptoms, call your doctor immediately: irregular heartbeat, dizziness, lightheadedness, seizures. Before you start taking levomethadyl and maybe during treatments, your doctor will do an electrocardiogram to see if you are at risk for having irregular heartbeat. Before taking erythromycin (E.E.S., Erythrocin, others), ketoconazole (Nizoral), phenobarbital (Barbital, Luminal, Solfoton), phenytoin (Dilantin, Diphenylan Sodium), rifampin (Rifadin, Rimactane), or saquinavir (Fortovase, Invirase), tell your doctor that you are taking levomethadyl. Talk to your doctor about the risk of taking levomethadyl. Levomethadyl should only be used in treatment programs for people addicted to narcotics. |