Erythrasma - symptom, Treatment of Erythrasma
Erythrasma is a chronic superficial infection of the intertriginous areas of the skin. The incriminated organism is Corynebacterium minutissimum, which usually is present as a normal human skin inhabitant. Typical appearance of Erythrasma is a reddish-brown slightly scaly patch with sharp borders. The lesions occur in moist areas such as the groin, axilla (armpit), and skin folds and may itch slightly. It can infect anyone, but is particularly prevalent in those living in a warm climate or who have diabetes. Erythrasma fluoresces a characteristic coral-red color under Wood's light. Absence of hyphae on skin scraping also distinguishes erythrasma from tinea. The incidence of erythrasma increases with age, but no age group is immune to the disease.
Erythrasma most often affects adults, especially those with diabetes, and people in the tropics.
Erythrasma is caused by a gram-positive bacteria, Corynebacterium minutissimum, occurring in humid climates. Exposure to longwave ultraviolet radiation (such as with a black light or Wood's light) causes the erythrasma to fluoresce a coral-pink colour due to porphyrins released by the bacteria. It is caused by Corynebacterium minutissimum affecting the intertriginous areas of the toes, groins, and axillae, which mimics epidermal dermatophyte infections.
Symptoms of Erythrasma
The symptoms of erythrasma are mildly itchy, reddish-brown lesions most often found in the axilla, groin, between the toes, and in skin folds. the lesions may be slightly scaly. Some sign and symptoms related to Erythrasma are as follows:
The incidence of erythrasma increases with age, but no age group is immune to the disease. The youngest patient reported to have this condition is a 1-year-old infant. Erythrasma fluoresces with a coral red color and responds to systemic antibiotics, especially erythromycin, tetracycline and chloromycetin; and occasionally in widespread cases, this is the only way you can cure them. Penicillin and griseofulvin do not help, and generally keratolytic ointments are sufficient to clear them.
The treatment for erythrasma is an antibiotic (such as erythromycin or tetracycline ). Antibacterial soaps can also help control the infection. However, recurrence 6 to 12 months later is commonplace.
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