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.
Medications that can ease the pain: Birth control pills: Oral contraceptives can help with both cramping and headaches, Bummer says. But there are some women whose migraines become worse with oral contraceptives. Another benefit to the pill is that periods tend to be lighter when women are on it. I'd say 75 to 80 percent of women have some relief when their hormones are stabilized, Chiang notes.