WebMar 15, 2024 · Polymorphous light eruption is a rash caused by sun exposure in people who have developed sensitivity to sunlight. The rash usually appears as tiny, inflamed bumps or slightly raised patches of skin. The reaction usually happens during spring and early summer when exposure to sunlight increases. WebMay 21, 2024 · This red, itchy rash happens when an outside substance irritates your skin. Common culprits are chemicals in soap, cologne, detergent, or even spermicide. An outbreak usually develops within a...
Rash on Arms: Causes, Diagnosis, and Treatments - Healthgrades
WebApr 14, 2024 · 1. Hives Groups of red welts that sting, itch, and burn on the skin of varying sizes are popularly known as hives. Hives can last for a few minutes or up to several days. Extreme temperatures, allergic reactions, … WebNov 7, 2024 · 10 Common Causes of Itchy, Red Bumps and Skin Rashes 1. Contact dermatitis. This is a type of skin rash that happens when you touch a certain chemical or substance that... 2. Allergic reactions to food or … shannon bucknell iowa
Red spots on scalp: Pictures, causes, and treatments
WebSep 25, 2024 · Summary. Red spots can affect the scalp due to acne, psoriasis, folliculitis, and other conditions. Medical options can address an underlying cause, while home treatments, such as zinc, can help ... WebRashes can appear as blotches, welts, or blisters; they can be red, itchy, scaly, or dry; and they can occur in one area of skin or all over the body. In addition, some rashes may come and go, while others never seem to go away. Although most rashes are not life-threatening, some rashes can signal something more serious. WebApr 20, 2024 · A doctor or dermatologist will be able to diagnose the cause of the rash. Tests can include patch tests, blood tests, and a biopsy, wherein a laboratory tests a small section of the dry, blotchy skin to identify the underlying cause. Common causes of an arm rash include contact dermatitis and hives. Most rashes will go away on their own. shannon buckingham racing