Article continues below advertisementDonald Trump appeared to try to conceal his rash on his neck during the Medal of Honor ceremony at the White House on March 2.The president, 79, wore a white-collared shirt and his usual black suit, which partially concealed the bruise-like discoloration on his neck. Article continues below advertisementDonald Trump Seemed to Have a Scab on His NeckSource: MEGADonald Trump's neck looked red and scabby at the event.The politician's neck was red and scabby, with the rash seeming to spread from behind his ear to the back of his head.White House physician Dr.