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Jul 5, 2022 · A rash can be a sign of a severe allergic reaction or anaphylaxis. These can occur for a number of reasons, including food allergies, insect stings, and reactions to medication. A rash due to an allergic reaction or anaphylaxis may accompany other symptoms, such as: swelling. swollen throat. chest tightness.
May 31, 2022 · Infections. Infections can cause a rash on the legs. Common infectious causes include: a bacterial infection, such as from streptococcal or staphylococcal bacteria. chickenpox. fifth disease, which is a viral infection in children. folliculitis, which is an infection or inflammation of a hair follicle. a fungal infection of the skin. measles.
Jan 22, 2024 · Board-certified dermatologists say rashes with these features need medical attention: A rash over most of your body. A rash that blisters or turns into open sores or raw skin. Fever or illness with a rash. A rash that spreads rapidly. A painful rash. A rash involving the eyes, lips, mouth, or genital skin. It’s easy for germs to enter a rash ...
Purpura is purple spots or patches on your skin or in your mucus membranes (such as your mouth and throat). The spots appear differently depending on your skin tone. For example, they may appear brownish-black on darker complexions and reddish-purple on lighter complexions. Purpura may resemble a bruise or look like a spot of blood under your skin.
Oct 1, 2023 · Skin problems are the first sign of psoriatic arthritis for up to 85% of people with the condition. Rheumatoid arthritis: Inflammation causes a rash of small, red pinpoints. In more severe cases, skin ulcers can develop on the legs. The rash looks like a bruise. You’ll want to pay attention to rashes that are purple in color.
Mar 22, 2024 · Plaque psoriasis is the most common form of psoriasis. Symptoms include: Red or dark patches of skin covered with thick, silvery scales. Itching, burning, and/or soreness. Flaking, cracked, dry skin that can bleed when scratched. Plaque psoriasis is most common on the elbows, knees, and scalp.
