Sometimes, a one-time irritant can set up a chronic problem of itching, burning and scratching that prevents the vagina from healing. Add another problem on top of that—let's say, a low-grade yeast infection—and you can feel pretty miserable. If you have cleared any known infection and still have chronic redness and itching, your doctor may recommend a topical anti-inflammatory agent (like a corticosteroid cream). Sometimes halting the cycle of irritation and pain will cure your problem once and for all. What you don't want to do is scratch and irritate the area constantly, as you can predispose yourself to much more serious problems, including malignancies.
For truly mysterious, chronic vulvovaginal irritation that your doctor can't figure out, consider seeing a vulvovaginal specialist who has done special training in disorders of the vulva. They can be hard to find, but your doctor or hospital should be able to refer you to at least one near your area.
A generic drug is made with the same active ingredients and is available in thesame strength and dosage form as the equivalent brand-name product. Generic drugs produce the same effects in the body as the brand-name drugs, because both contain the identical active ingredients...