Skin rashes are a frequent problem of workers in the oilfield industry, especially on drilling operations using oil-base mud (OBM) products. The pathophysiology seems to be multifactorial, mixing heat effects with prolonged contact at friction points between the skin and protective clothing soaked with OBM chemicals. The symptoms are amplified at friction points and the major flexion bends of the body. Symptoms usually occur in a few days to one week after arrival on the rig, and disappear naturally at home, when there is no longer contact with OBM derivatives. Clinical findings range from mild redness to severe skin erosions at the major flexion bends of the body. Initially dermatitis manifests as red, swollen, and blistered areas, while later stages may appear as crusted or scaly lesions. Symptomatic treatment involves using moisturizers, antihistamines, lubricants, and topical corticosteroids.
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