Regarding scabies...There is a simple way to find out if you have scabies. They are microscopic mites, yes....but when they grow up and lodge in the sores they have made in your skin, you can dig them out with your fingernail. You can also scrape your skin along your nose, around your chin, and any other place you have the infestation, and you'll come up with either the dark ones or the sandy ones. If you can't actually see them, you can rub them between your fingers and feel the grittiness (like really fine sand). The sand-size ones are actually the troublesome ones, as you can't see them and can pass those critters on really easy.