 [ Symptoms ] where can i find quinine pills for my husband is leg cramps [ Disease ] do not use quinine for your husband is leg cramps quinine is a malaria drug that can cause serious side effects such as severe bleeding abnormal heart rhythms and even death the fda issued a drug safety warning on july 8 2010 and will soon require the drugmaker to warn doctors of its potentially life threatening side effects talk to the doctor about other safe ways to ease leg cramps