Scabies is a disease that infects the skin, and it is caused by a mite, which is a type of insect. Scabies is also very contagious. The mites that cause scabies tunnel into the skin and live on the outer layer of it. This induces the skin to form pimple-like bumps, which show up as irritations, or the scabies rash. This is because the scabies mites lay eggs in their home beneath the skin, and feed on the blood of the person infected with them. Because these mites are very small, and because they are almost transparent, they cannot be easily seen by the naked eye. If you are infected by scabies, you may see red blisters on your skin, and you may suffer from extreme and irritating itching, which can often happen at night. This is due to your body mounting an allergic reaction to the scabies mite and its waste products. Read more »