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.
Starting some form of hormonal birth control is another option to relieve or stop menstrual cramps. This can take the form of. oral contraceptive pills (OCPs), an injection, a transdermal patch, or; a hormone-releasing intrauterine device. All these methods reduce menstrual flow and the mid-cycle pain that may occur with it.