Methadone is a prescription drug used by many people as a substitute for heroin. It is an opioid, which can be addictive if used for longer periods than prescribed. Methadone is available in liquid form, and can be swallowed or injected into the body. Methadone induces a feeling of euphoria and reduces pain in the user. The slang terms on the streets for Methadone are Dollies, Methadose, Fizzies, Amidone, etc.
Methadone withdrawal symptoms are severe. Some of the Methadone withdrawal symptoms are runny nose and eyes, excessive perspiration, stomach pain, dilated pupils, nausea, severe body pain, fever, irritability, tremors, yawning, sneezing, etc.
Some Methadone side effects are constipation, dry mouth, urinary problems, weakness, allergic reactions, skin problems, hives, confusion, a feeling of drunkenness, improper vision, flushing, palpitation, etc. There have also been instances of methadone users suffering from side effects such as hallucinations, unstable gait, dizziness, anaphylactic reactions, disorientation, myasthenia gravis, tremors, kidney failure and seizures.