The toxic effect is related linearly through a relatively large range of body weights, to the body weight of the victim, and, The mechanism of toxicity is the same for âsimilar animalsâ, i. e. one may conduct toxicity tests on say rats or mice and apply the LD50 data to human, since both are mammals.
For moderate menstrual cramps, the nonsteroidal anti-inflammatory drugs (NSAIDs, such as ibuprofen [Advil, Motrin, Nuprin, etc.] or naproxen [Aleve, Anaprox, Naprosyn, Naprelan]) are often helpful.
NSAIDs, or nonsteroidal anti-inflammatory drugs, are very effective against pain caused by menstrual cramps. The drug ibuprofen is available over the counter (OTC) in several brand names, including Advil, Genpril, IBU-200, etc. Generic brands, simply called Ibuprofen, are much less expensive.