Skin itchy no rash or spots, itchy all over body head face what should i do its freaking me out.

See A DOCTOR: There are many causes for this. See a doctor who can obtain appropriate lab studies that may help in elucidating a cause.

Depends: Pruritis that don't nessarily have a rash may be due to generalized dry skin, mites, bugs, lice, liver disorders, medications, eczema. Try locating a possible cause and daily moisterization, avoiding hot showers/baths, and Claritin (loratadine) helps.