Mange is a disease in which itching, redness, and a severe rash are caused on the skin. These symptoms appear in the span of four to six weeks in humans. It is due to the faeces of the insect on our body and also by the sensitivity of our skin to the proteins. The mites can stay on the skin of human beings for a period of 16-17 days. Symptoms of mange include:Severe itching, particularly at nightSkin rash sometimes called scabies rash. Raised, skin-coloured or greyish-white tracts, bumps, or blisters on the surface of the skin, caused by burrows created by female mitesMange is most likely to affect areas of the body with skin folds. These include finger webbings, armpits, male genital parts, buttocks, the bottom of the feet, shoulder blades, breasts, and the areas where the skin folds.