I have a rash all over my body even the palms of my hands and soles of my feet itch, what is it?

Dermatitis. Rash a over body can be from a number of reasons rule out poison ivy or sumac in summer time see a dermatologist asap.
Not enough info. To make a diagnosis. Safe to assume you have a problem. See your doctor or a dermatologist.

Related Questions

W/ hand foot mouth, pediatricians, is it normal for my 2 yr old to develop a rash all over the back of his legs and butt? Small red dots. Treatment?

Yes. The area around the bottom and upper legs is a common additional site of hfm, it just didn't make it to the label when the pattern was being named. If that's the only site and there are no blisters it could be something else. Te variability of hfm is quite diverse, with some having only one area involved. Read more...
Coxackie virus . The teatment is fever control and making sure your toddler does not get dehydrated due to difficulty drinking as there may be painful sores in mouth . HFM disease is a viral infection and there is no antiviral treatment. Read more...

My 2 year old son has a dark rash all over him and is running a fever and red inside his mouth. Thinking maybe Hand Foot and Mouth??

Rash. It could be, but there are other things it could be, as well. Have him evaluated. . Read more...
Fever is emergency. Any fever in a toddler of your son's age requires an urgent visit at the family medical clinic. it is not advised to sit at home watching this. Please sign off of the internet and get your son to health care today. Read more...