^ a b c d e f g Lehrer, Michael (16 April 2019).Andrews' Diseases of the Skin: Clinical Dermatology. Tinea cruris is common in hot-humid climates, and is the second most common clinical presentation for dermatophytosis. Irritant and allergic contact dermatitis may be caused by applied medications. The intense itch may lead to lichenification and secondary bacterial infection.
Tinea cruris is not life-threatening and treatment is effective, particularly if the symptoms have not been present for long. Wearing cotton underwear and socks, in addition to keeping the groin dry and using antifungal powders, is helpful. The effect of Whitfield's ointment is also unclear, but when given, it is prescribed at half strength. There might be a greater cure rate but no guidelines currently recommend its addition. The benefits of the use of topical steroids in addition to an antifungal is unclear. If the symptoms have been present for long or the condition worsens despite applying creams, terbinafine or itraconazole can be given by mouth. Studies suggest that allylamines (naftifine and terbinafine) are a quicker but more expensive form of treatment compared to azoles ( clotrimazole, econazole, ketoconazole, oxiconazole, miconazole, sulconazole). Tinea cruris is treated by applying antifungal medications of the allylamine or azole type to the groin region. People with athletes foot or tinea cruris can prevent spread by not lending their towels to others. Also advised are measures to avoid moisture build-up including keeping the groin region dry, avoiding tight clothing, and losing weight if obese. To prevent recurrences of tinea cruris, concurrent fungal infections such as athlete's foot need to be treated.
Nutria itch treatment skin#
Its appearance may be similar to some other rashes that occur in skin folds including candidal intertrigo, erythrasma, inverse psoriasis and seborrhoeic dermatitis. The symptoms of tinea cruris may be similar to other causes of itch in the groin. Tests are usually not needed to make a diagnosis, but if required, may include microscopy and culture of skin scrapings, a KOH examination to check for fungus, or skin biopsy. Trichophyton interdigitale has also been implicated. Less commonly Trichophyton mentagrophytes and Trichophyton verrucosum are involved. The type of fungus involved may vary in different parts of the world for example, Trichophyton rubrum and Epidermophyton floccosum are common in New Zealand. It is contagious and can be transmitted person-to-person by skin-to-skin contact or by contact with contaminated sports clothing and sharing towels. Rubbing from clothing, excessive sweating, diabetes and obesity are risk factors. Tinea cruris is often associated with athletes foot and fungal nail infections. Macroconidia from Epidermophyton floccosum Īffected people usually experience intense itching in the groin which can extend to the anus. The penis is usually unaffected unless there is immunodeficiency or there has been use of steroids. The plaque may reach the scrotum in men and the labia majora and mons pubis in women. If the person is hairy, hair follicles can become inflamed resulting in some bumps ( papules, nodules and pustules) within the plaque. The rash may appear reddish, tan, or brown, with flaking, rippling, peeling, iridescence, or cracking skin. The distribution is usually on both sides of the groin and the center may be lighter in colour. There may be some blistering and weeping, and the rash can reach near to the anus. Typically, over the upper inner thighs, there is a red raised rash with a scaly well-defined border. Other names include "jock rot", "dhobi itch", "crotch itch", "scrot rot", "gym itch", "ringworm of groin" and "eczema marginatum". Prevention of recurrences include treating concurrent fungal infections and taking measures to avoid moisture build-up including keeping the groin region dry, avoiding tight clothing and losing weight if obese. Treatment is with topical antifungal medications and is particularly effective if symptoms have recent onset. Tests may include microscopy and culture of skin scrapings.
It is often associated with athletes foot and fungal nail infections, excessive sweating, and sharing of infected towels or sports clothing. Typically, over the upper inner thighs, there is an intensely itchy red raised rash with a scaly well-defined curved border. Tinea cruris, also known as jock itch, is a common type of contagious, superficial fungal infection of the groin and buttocks region, which occurs predominantly but not exclusively in men and in hot-humid climates. Treat any fungal infections of feet or nails.Eczema marginatum, crotch itch, crotch rot, dhobi itch, gym itch, jock itch, jock rot, scrot rot : 303
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