Heat rash (Miliaria): Images, Causes, and Treatment - DermNet
2018年2月19日 · Miliaria rubra, the most common form of heat rash, results in red, 2–4 mm, non- follicular papules and papulovesicles. They are very itchy. Background erythema is often present. In children, miliaria involves the trunk and the skin folds of the neck, axilla or groin. In adults, miliaria often affects the upper trunk, scalp, neck and flexures ...
Heat urticaria - DermNet
2019年3月11日 · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours.
Heat and cold - DermNet
Miliaria refers to sweat rash (prickly heat) due to obstructed sweat glands and perhaps localised hyperproliferation of specific commensal microorganisms such as strains of Staphylococcus epidermidis. It presents with non-follicular superficial papules, vesicles or …
Cholinergic Urticaria: Causes, Treatment, and Images - DermNet
Cholinergic urticaria is a common chronic inducible urticaria that is characterised by the presence of short-lived transient hives (itchy bumps) due to stimuli that induce sweating. It typically presents with small, raised 1–4 mm wheals which last for 15–30 minutes. It is also sometimes referred to as cholinergic angioedema urticaria or ...
Methamphetamine and skin reactions - DermNet
Skin effects of methamphetamine use. Methamphetamine may cause side effects including skin problems. Grayish leathery texture to the skin. Increased sweating (hyperhidrosis) Repetitive or compulsive skin picking causing excoriations and ulcers. Increased dental wear and decay. Rarely, allergic reactions have been reported. Lichenoid drug eruption.
Genital dysaesthesia. Penile or scrotodynia - DermNet
It is often accompanied by increased sensitivity to touch. Male genital dysaesthesia is also known as dysaesthetic penoscrotodynia (DPSD) or male genital burning syndrome. If dysaesthesia is accompanied by redness, this may be referred to as red scrotum syndrome. Localised symptoms can be described as scrotodynia or burning scrotum syndrome ...
Skin conditions affecting newborn babies - DermNet
Miliaria. Miliaria affects about 15% of newborn babies in warm climates and is due to blockage (occlusion) of the sweat duct. If the occlusion is superficial, sweat collects just below the stratum corneum (dead cells on the skin surface) forming clear, thin-walled blisters (miliaria cristallina). Slightly deeper occlusion results in red papules ...
Facial rashes - DermNet
Patients often present with quite mild signs when they have a facial lesion or rash — due to embarrassment — and the diagnosis may be tricky. Significant itch suggests atopic dermatitis or contact dermatitis. Face: erosions/crusting Herpes simplex. Monomorphic clustered vesicles or crusted papules; Often locally recurrent in the same site
Plant dermatitis
Plant dermatitis is an inflammation of the skin caused by topical contact with a plant or plant constituent. Phytodermatitis is the formal medical name for plant dermatitis, and it may be an irritant contact dermatitis, allergic contact dermatitis, or phytophotodermatitis. Contact urticaria and mechanical irritation can also be due to plants.
Textile contact dermatitis
Textile contact dermatitis or clothing dermatitis can be defined as skin manifestations caused by wearing clothing and/or other fabrics that come into contact with skin. The source of the skin problem may be the fabric itself (i.e. reaction to textile fibres) or more commonly a contact allergy to the chemical additives used in processing the ...