2022年5月6日 · Heat rash — also known as prickly heat and miliaria — isn't just for babies. It affects adults, too, especially in hot, humid conditions. Heat rash occurs when sweat is trapped in the skin. Symptoms can range from small blisters to deep, inflamed lumps. Some forms of heat rash are very itchy.

2022年5月6日 · Learn more about the symptoms, causes and treatment of this heat-related problem of the skin that affects people of all ages.

2024年3月29日 · When a baby overheats, due to the temperature or fever for example, you may see a rash on the baby's upper body. The rash may appear quickly and show up as clear or …

2023年7月1日 · Heat rash also is called prickly heat, sweat rash or miliaria. It happens when blocked sweat ducts trap sweat under the skin. One type of heat rash, called miliaria rubra (A), has red clusters of small bumps that look like blisters. They can be itchy. Another type, called miliaria crystallina (B), has clear, fluid-filled bumps.

2024年7月19日 · It describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (UV) radiation. Polymorphous light eruption is the most common form of sun allergy.

Miliaria rubra (A), one type of heat rash, appears as clusters of small, inflamed blister-like bumps that can produce intense itching. Miliaria crystallina (B), another type of heat rash, appears as clear, fluid-filled bumps that don't hurt or itch.

2024年5月2日 · Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable.

2023年12月14日 · Psoriasis patches can range from a few spots of dandruff-like scaling to major rashes that cover large areas. The condition is not passed from person to person. Learn about the symptoms of common types of psoriasis.

2021年12月15日 · Cold urticaria (ur-tih-KAR-e-uh) is a skin reaction to cold that appears within minutes after cold exposure. Affected skin develops itchy welts (hives). People with cold urticaria experience widely different symptoms. Some have minor reactions to the cold, while others have severe reactions.

2024年10月23日 · Itchy skin is often caused by dry skin and is common in older adults, as skin tends to become drier with age. Depending on the cause of your itchiness, your skin may look no different than usual or it may be inflamed, rough or have bumps.