Read the side effects of Methadone as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Lightheadedness, dizziness, sedation, nausea, vomiting and sweating.
Body as a Whole
Weakness, swelling and headache.
Abnormal heart rhythm, slow/fast heart rate, ECG abnormalities, flushing, heart failure, low blood pressure, palpitations, vein inflammation, QT interval prolongation and fainting.
Abdominal pain, loss of appetite, constipation, dry mouth and tongue inflammation.
Central Nervous System
Agitation, confusion, disorientation, emotion, anxiety, sleeplessness and seizures.
Lung swelling and respiratory depression.
Itching, hives and rash.
Eye and ENT
Hallucinations and visual disturbances.
Absence of menstrual periods, reduced sexual activity and/or impotence and urinary retention or hesitancy.
Other Precautions :
* Avoid excess dosage.