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.
Itching. Itching is usually one of the first symptoms in any allergy, and with a latex condom allergy can be troublesome and embarrassing. There may be mild to severe itching in the genital area. Females may experience itching around the vagina, vulva and labia, and may even experience internal itching in the vagina.