Arrhythmogenic drugs: There may be an increased risk of inducing ventricular arrhythmias if chloroquine is used concomitantly with other arrhythmogenic drugs, such as amiodarone or moxifloxacin.
Source: FDA drug label - chloroquine phosphate
Chloroquine Phosphate Interactions
Brand names: Chloroquine Phosphate
2 interactions on record
Ampicillin: In a study of healthy volunteers, chloroquine significantly reduced the bioavailability of ampicillin. An interval of at least two hours between intake of ampicillin and chloroquine should be observed.
Source: FDA drug label - chloroquine phosphate