A lice-killing lotion containing 1% permethrin or a mousse containing pyrethrins and piperonyl butoxide can be used to treat pubic (crab) lice. These products are available over-the-counter without a prescription at a local drug store or pharmacy. These medications are safe and effective when used exactly according to the instructions in the package or on the label. Lindane shampoo is a prescription medication that can kill lice and lice eggs.
Trichomoniasis is another type of vaginal infection. It is caused by a single-celled parasite that is usually spread through sex. In addition to causing bleeding after sex, it can also cause vaginal discharge and itching.
All-over-body itching can be caused by a variety of conditions. Photo Credit skin image by Robert Kelly from Fotolia.com. Itching, also called pruritus, commonly occurs due to skin disorders, and may affect sleep or quality of life if the condition is severe. Rooted in the nerve endings, itching all over the body is called generalized pruritus.