Very itchy dry areas are most often found on elbow creases, behind the knees, and the neck. Contact dermatitis - an irritable rash caused by materials in contact with the affected area, eg. antiperspirant. Blistering skin disorders such as bullous pemphigoid Rare inherited conditions such as Hailey-Hailey disease Investigations Investigations may be necessary to determine the cause of intertrigo. A biopsy may be performed if the skin condition is unusual or fails to respond to treatment. Treatment Treatment depends on the underlying cause, if identified, and on which micro-organisms are present in the rash.
Combinations are common.
Bacteria may be treated with topical antibiotics such as fusidic acid cream, mupirocin ointment, or oral antibiotics such as flucloxacillin and erythromycin Yeasts and fungi may be treated with topical antifungals such as clotrimazole and terbinafine cream or oral agents such as itraconazole or terbinafine Inflammatory skin diseases are often treated with low potency topical steroid creams such as hydrocortisone.