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.
Things you may want to try at home include: 1  Exercise. Studies have found that physical activity may ease the pain of menstrual cramps. 2  Heat. Soaking in a hot bath or using a heating pad, hot water bottle or heat patch on your lower abdomen may ease menstrual cramps. 3  Dietary supplements.