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.
Menstrual Cramps - Home Treatment. 1  Use heat, such as hot water bottles, heating pads, or hot baths, to relax tense muscles and relieve cramping. Be careful not to burn yourself.  Drink herbal teas, such as chamomile, mint, raspberry, and blackberry, which may help soothe tense muscles and anxious moods.