Methionine is used to prevent liver damage due to acetaminophen overdose and diaper rash in the infant.

Methionine is an amino acid.

It is used to:
• Make the urine more acidic and reduce irritation from diaper rash in an infant or rash due to bladder incontinence in an adult.
• It also helps in controlling strong urine odor.
• Prevents liver damage in patients with acetaminophen/paracetamol poisoning. 

Methionine is contraindicated in the following conditions:

• Allergy to methionine
• Pregnancy and breastfeeding
• Acidosis, which can worsen
• Liver disease
• Atherosclerosis and methylenetetrahydrofolate reductase (MTHFR) deficiency, due to possible homocysteine build up which can increase the risk for heart disease
• Schizophrenia

The recommended dose for:

• Acetaminophen poisoning is: 2.5 g every four hours for 4 doses within 10 hours of acetaminophen intake.

• Acidification of urine in adults: 200mg three to four times a day orally in the form of capsules or powder.
The dose in children will be decided by the physician.

• Methionine is available as a tablet, capsule, powder or liquid.

• An overdose of methionine can worsen liver disease.

•  Gastrointestinal disorder: Nausea and vomiting
•  Others: Drowsiness

• The treatment should be taken only on the advice of a physician.

• Not known

• Store the drug at room temperature and also away from heat and moisture.