Generic Dilantin is used for treating tonic-clonic (grand mal) and partial seizures. It is also used to prevent and treat seizures that may occur during or after brain or nervous system surgery.
You must keep in mind that not a single drug is approved by the FDA for treating PMS. The drugs and other PMS remedies that you've heard about are usually approved for other health problems, and then prescribed by doctors to relieve PMS symptoms. As a result, there is wide disagreement about what works, what doesn't, and how much of a given improvement is a so-called "placebo effect"—that is, you feel better just because you're taking something. In. their review of PMS treatments, Endicott et al tried to separate the wheat from the chaff and give at least some idea of which treatments are promising, and for which parts of PMS.
For many years, health care professionals have tried using progesterone products to relieve PMS. In fact, they aren't effective. Neither dydrogesterone nor progesterone (mostly given as a vaginal suppository) helps PMS. Progesterone can cause unpleasant side effects, too, such as moodiness, spotting and erratic menstrual cycles.
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...