Similar to others: Methadone side effects are a matter of research for numerous scientists. If the dosage of the medicine is correct, then there are no risks of kidney, heart, liver, lungs or any type of failure. A number of common Methadone side effects include constipation, skin rash, water retention, dizziness, weakness, extreme sweating and flushing and in some circumstances erectile dysfunction.
Answered 7/30/2014
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