Enteric coated are a better starting place for those with weak stomaches. Also, remember to take one of the ones that lasts at least 12 hours when using them overnight. This is important as cramps are more likely when the period starts overnight and the blood pools and clots while lying down. Other Self-Treaments Exercise in general has also been shown to help alleviate dysmennorhea. A number of herbal, natural, and alternative medicine treatments claim to help.
None has substantial scientific evidence, yet.
The longer acting ones tend to be prescription only. This means the woman will need to visit the doctor. This can be a good time to make sure the cramps are primary and not secondary. In resistent cases narcotic pain relievers can also be used.