I get sudden attacks of nausea, dizziness, burning up, cold sweats, to cold. Sometimes I will randomly vomint for no apparent reason. Today it came with a heachache like I have never experienced before....I have had the headache all day. My heart races (sometimes chest pain). Sometimes my face, head, arms and hands get numb and tingly (both sides). At times I have trouble talking, but not during all episodes.