Hidradenitis suppurativa - Symptoms and causes - Mayo Clinic
2024年6月21日 · Hidradenitis suppurativa (hi-drad-uh-NIE-tis sup-yoo-ruh-TIE-vuh), also known as acne inversa, is a condition that causes small, painful lumps to form under the skin. The lumps usually develop in areas where your skin rubs together, such …
Heat rash - Symptoms & causes - Mayo Clinic
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.
Types of dermatitis (dermatitis pictures) - Mayo Clinic
2023年12月19日 · Irritant contact dermatitis develops when the skin comes into contact with certain things that cause a rash. Irritant contact dermatitis is different from allergic contact dermatitis but shares some features. Some people react to strong irritants after just one exposure. Others may develop a rash after repeated contact with even mild irritants.
Acanthosis nigricans - Symptoms & causes - Mayo Clinic
2022年6月2日 · Acanthosis nigricans is a condition that causes areas of dark, thick velvety skin in body folds and creases. It typically affects the armpits, groin and ne
Atopic dermatitis (eczema) - Symptoms and causes - Mayo Clinic
2024年5月15日 · Rash on swollen skin that varies in color depending on your skin color; Small, raised bumps, on brown or Black skin; Oozing and crusting; Thickened skin; Darkening of the skin around the eyes; Raw, sensitive skin from scratching; Atopic dermatitis often begins before age 5 and may continue into the teen and adult years.
Heat rash - Diagnosis & treatment - Mayo Clinic
2022年5月6日 · A visit with a health care provider usually isn't necessary for heat rash. If your rash is more severe, you may want to see your primary care provider or a doctor who specializes in skin disorders (dermatologist) to be sure it's heat rash and not another skin disorder. Before you go, it's a good idea to list questions you have about your condition.
Seborrheic dermatitis - Symptoms and causes - Mayo Clinic
2024年7月19日 · Ring-shaped (annular) rash, for a type called petaloid seborrheic dermatitis; Itchiness (pruritus) The signs and symptoms of seborrheic dermatitis tend to flare with stress, fatigue or a change of season. When to see a doctor. See your health care provider if: You're so uncomfortable that you're losing sleep or are distracted from your daily ...
Itchy skin (pruritus) - Symptoms and causes - Mayo Clinic
2024年10月23日 · Causes. Causes of itchy skin include: Skin conditions. Examples include dry skin (xerosis), eczema (dermatitis), psoriasis, scabies, parasites, burns, scars, insect ...
Contact dermatitis - Diagnosis and treatment - Mayo Clinic
2024年5月2日 · Small amounts of different substances are placed on your skin under a sticky coating. After 2 to 3 days, your health care provider checks for a skin reaction under the patches. Your health care provider may be able to diagnose contact dermatitis by talking to you about your signs and symptoms.
Skin rashes in children - Mayo Clinic
A rash or lesion affects the eyes; Blue, red or purple dots appear in the affected area; The lesion is crusty, blistering or oozing; A rash is accompanied by a fever, dizziness, shortness of breath, vomiting or a stiff neck; A rash is accompanied by any other troubling symptoms