Having small red itchy rashes for last 5 days. Close to 25 points. Mostly on my hand, neck, chest & back. Itching is not continuous on all points.

Allergy/Insect bites. You have an itchy rash on different parts of your body.It may be due to an allergy to something or it may be an allergic reaction to some kind of insect bite like mosquito bite.There are other possibilities .Have it checked if it persist.Meanwhilevyou can take some anti itching meds like Benadryl (diphenhydramine) over the counter till you see your doctor.