My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

Hypersensitivity . Hypersensitivity (also called hypersensitivity reaction) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. These reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state of the host. Causes include foods, meds, infections, systemic diseases and others.
Hard to say. It is hard to tell from the information you've given us. Your best bet is to see a dermatologist.

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My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

An . An itchy rash with raised red bumps can be caused by many, many things such as: -food or drug allergy -viral infections such as fifths disease, roseola, ebv, CMV just to name a few -insect bites such as fleas or scabies -bacterial infection such as scarlet fever (caused by strep) -medication reaction or it can be seen in very rare things such as: -measles -toxic shock syndrome -kawasaki disease -meningitis -stevens-johnson syndrome -rocky mountain spotted fever disease the list goes on and on. The best thing to do is to call your child's doctor. They may want to take a look to see what it may be. Odds are that if your child does not have a fever or is not acting sick, then it's probably nothing serious. Read more...
Here . Here is another link to some of the common causes of rashes. I hope that helps. Read more...