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