Hydroxychloroquine can cause a serious heart problem. Your risk may be higher if you also use certain other medicines for infections, asthma, heart problems, high blood pressure, depression, mental illness, cancer, malaria, or HIV.
Tell your doctor about all your other medicines, especially:
cimetidine;
cyclosporine;
methotrexate;
praziquantel;
tamoxifen;
heart rhythm medicine;
insulin or oral diabetes medicine; or
seizure medication.
This list is not complete. other drugs may interact with hydroxychloroquine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Hydroxychloroquine drug interactions (more detail)
