This medication is a chelating agent, prescribed for preventing kidney stone formation.  It works by removing extra cystine from the urine.

Contraindicated in patients with hypersensitivity, a prior history of developing anemia or low white blood cell or platelet counts after taking this medication, and in pregnant women.

Adults— The recommended initial dose is 800 milligrams (mg) a day, divided into three doses.

It comes as a tablet to take by mouth, on an empty stomach at least 1 hour before or 2 hours after eating.

• Caution should be exercised in patients with history of anemia, bleeding in the lungs, low white blood cells and platelet counts, muscle weakness, any allergy, who are taking other medications, any allergy, during pregnancy and breastfeeding.

• It may reduce platelet counts; avoid injury or bruising.

• It should not be used in children less than 9 years old.

• Follow the diet and exercise program as directed by your physician.

Loss of appetite, change in taste, diarrhea, dryness of skin, , nausea, soft stools, stomach bloating or pain, vomiting, wrinkling skin.

Avoid excess dosage.

Store at 25°C.