Our study does not show an association between health literacy and medication adherence nor between health literacy and polypharmacy. Thus, potential changes to improving health literacy may not have a significant effect on adherence.

Although current medication references do not report an interaction between atovaquone and warfarin, knowledge of their pharmacodynamic properties can enable practitioners to anticipate the consequences of a possible transient increase in warfarin serum concentration, such as that seen in our patient, when given concomitantly.

No abstract