Non-blanching rashes, also known as petechial rash, are caused by blood vessels bleeding under the skin. A rash that doesn’t itch or hurt in adults or children is often non-blanching.

Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

Skin cancer rash and leukemia petechiae ... They occur when a blood vessel breaks open under the skin, which happens more ...

A sudden rash after diving can signal a serious condition. Here's what it could mean—and how to seek treatment.

TB might be inactive and not cause symptoms, but if the bacteria multiply in the body, the symptoms can cause severe chest pain, a long-lasting cough that brings up blood and phlegm, and other ...

At first, individuals may notice a small spot or lump on the skin ... blood tests to help with diagnosis. If a person believes they may have been bitten by a tick, and they notice a rash or ...

A patch test for atopic dermatitis helps identify triggers and confirms diagnosis. Learn about self-testing and specialists who perform testing.

Perioral dermatitis is a red, bumpy rash that affects the skin around your mouth ... They can also appear in the area under the eyes, on the forehead, or on the chin. These small bumps can ...

Your skin absorbs this allergen when you touch the plant. You may be able to reduce symptoms of poison oak rash with several treatments. These include over-the-counter (OTC) and prescription ...

Sun exposure can make spider veins worse by breaking down collagen under the skin. Both varicose and spider veins result when valves designed to keep blood from ... an itchy rash or even a painful ...

To treat a stress rash, take antihistamines, apply a cold compress, and try to reduce your stress. While some people might get headaches or have difficulty sleeping when under stress, others might ...