my father was diagnosed with PAD (pariferal artirial diesase(excuse the spelling) and yesterday he ate a ohenry chocolate bar (which he has eated alot of) well last night his 1 side of his face swelled up and his mouth and was all tingly then was in the bathroom throwing up i am scared that is a sign of a possible stroke can you polease tell me what could have caused that he is 59 and also his main vein going up to his brain is mostly clogged as are the veins in his legs what could be happening to my father please help me