It is used for treatment of Gout, Familial Mediterranean Fever. As well as for other conditions like Amyloidosis, Behçet's Syndrome, Pericarditis, Primary Biliary Cirrhosis and Pyoderma gangrenosum. It is excreted in breast milk in quantities that differ according to different published studies, from no clinically significant in some, until being important in others, but there have been no problems in infants whose mothers were treated, even after months, with undetectable plasma levels in these infants. The concomitant use of macrolide antibiotics and fruit juices (both the mother and the infant) , especially grape-fruit, is not recommended since they may interfere with bile excretion and greatly increase toxicity. The American Academy of Breastfeeding rates it as compatible with breastfeeding. List of Essential Medicines of WHO (2002): compatible with breastfeeding