
Types of dermatitis (dermatitis pictures) - Mayo Clinic
Dec 19, 2023 · Common symptoms of seborrheic (seb-o-REE-ik) dermatitis are: Dandruff. Patches of greasy skin covered with flaky white or yellow scales or crust on the scalp, face, …
Heat rash - Symptoms & causes - Mayo Clinic
May 6, 2022 · 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 …
Granuloma annulare - Symptoms and causes - Mayo Clinic
Oct 23, 2024 · Under the skin. A type that usually affects young children is called subcutaneous granuloma annulare. It produces small, firm lumps under the skin, instead of a rash. The …
Hidradenitis suppurativa - Symptoms and causes - Mayo Clinic
Mar 21, 2025 · 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 …
Acanthosis nigricans - Symptoms & causes - Mayo Clinic
Apr 30, 2025 · 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 neck. Acanthosis nigricans …
Swollen lymph nodes - Symptoms and causes - Mayo Clinic
Apr 25, 2025 · Common areas where you might notice swollen lymph nodes include your neck, under your chin, in your armpits and in your groin. In some cases, the passage of time and …
Atopic dermatitis (eczema) - Symptoms and causes - Mayo Clinic
May 15, 2024 · Atopic dermatitis (eczema) symptoms can appear anywhere on the body and vary widely from person to person. They may include: Dry, cracked skin Itchiness (pruritus) Rash …
Heat rash - Diagnosis & treatment - Mayo Clinic
May 6, 2022 · You don't need tests to diagnose heat rash. Your health care provider is usually able to diagnose it by examining the skin. A condition that looks like heat rash is transient …
Folliculitis - Symptoms & causes - Mayo Clinic
Aug 31, 2022 · Hot tub rash (pseudomonas folliculitis). This type is a rash of round, itchy bumps that can show up 1 to 2 days after exposure to the bacteria that causes it. Hot tub folliculitis is …
Common baby rashes - Mayo Clinic
Mar 29, 2024 · You might expect a baby's skin to be flawless, but rashes and other skin conditions are common. Find out when treatment can help.