Antimalarial Chloroquine FDA/ manufacturer's label/NIH Liver Tox111,112 Malaria Reported; frequency not defined Abdominal cramps reported; frequency not defined Reported; frequency not defined Rarely linked to aminotransferase elevations or clinically apparent liver injury. In patients with AIP or PCT, it can trigger an attack with fever and serum aminotransferase elevations, sometimes resulting in jaundice Minor metabolism by liver (∼30%); mostly excreted in urine Likelihood score: D (possible rare cause of clinically apparent liver injury)