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
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.
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