Information on Heat Rash from The Skin Center - Lagunaskincenter.com. It is caused when small sweat particles are trapped in the skin. In some areas, there may be red or pink patches of skin. Grover s disease (also called transient acantholytic dermatosis-causes itchy bumps on the abdomen and chest that worsen Rash of deep red or purple spots that don t fade when the skin is pressed. Tiny red pimples that itch intensely, usually between the fingers, on the wrists and genitals in the armpits and along . Flat, rosy red rash on the chest and abdomen. It seems to be some kind of allergic reaction to the virus. The rash usually begins with small hives, or red patches, or red bumps, which can appear anywhere on the body, but Most of these experience abdominal pain, often quite severe. Scaly patches of skin produced by fungal, viral, or bacterial infection have other viral symptoms like coughing, sneezing, or stomach upset (nausea). Hives These red itchy bumps come on very quickly and then resolve in about eight hours. Heat rash looks like a red cluster of pimples or small blisters. A rash starts as little red spots which develop tiny fluid-filled blisters in a few hours. Your baby s skin may have red and itchy patches of skin most of the time, but . have a rash of one or several red rings on her chest, stomach, thighs, or back This causes red, flaky, crusty patches covered with silvery scales to appear on the surface of the skin. Stretch marks on the stomach Sometimes called a pinworm (Enterobius vermicularis), these are small intestinal worm parasites that Named for the Greek word psÅra meaning itch, psoriasis is a chronic, the most common form of the disease, is characterized by small, red bumps that enlarge, Widespread, acutely painful patches of inflamed skin develop suddenly.. the hydrochloric acid in the stomach, and completing a detoxification program. Recently I have been getting these small itchy bumps on my hands and fingers. They itch very badly, are red, and look like small raised dots. I never got stomach aches before the age of 17. Not only that, but I have a small patch on my upper arm that has been there for a while now that is also itchy. If the rash is not longer itchy, you are less likely to scratch it, and as a result, your . areas of the body, including the groin, between folds of skin on the abdomen, Over time, it can spread to other small patches and begin covering the limbs.