Do not use methadone ifyou are allergic to it, or if you have:
breathing problems or severe asthmaa blockage in your stomach or intestines
To make sure methadone is safefor you, tell your doctor if you have ever had:
breathing problems, sleep apnealiver or kidney diseasebrain tumor, a head injury, or seizuresheart problems, long QT syndrome (in you or a family member)alcohol or drug addiction, or mental illnessurination problemsproblems with yourgallbladder, pancreas, or thyroid
Methadone can causea fatal heart rhythm disorde...
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