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 <a href=http://www.fotolia.com>Fotolia.com</a>. Itching, also called pruritus, commonly occurs due to skin disorders, and may affect sleep or quality of life if the condition is severe.