Other rare complications severe complications Hand, Foot, and Mouth Disease (HFMD) Complications www.cdc.gov/hand-foot-mouth/about/complications.html http://www.cdc.gov/hand-foot-mouth/about/complications.html http://www.cdc.gov/hand-foot-mouth/about/complications.html "Hand, Foot, and Mouth Disease (HFMD) Complications" Centers for Disease Control and Prevention (CDC) Center for Disease Control and Prevention says complications Centers for Disease Control and Prevention note http://www.cdc.gov/hand-foot-mouth/about/complications.html