How does mefenamic acid work for menstrual cramps/period pains?
Mefenamic acid is a non steroidal inflammatory drug. Some women find it helps- it also reduces blood loss by 20% in most women, however it can cause gastro-intestinal disturbances. If you find this is a problem, try Naproxen- this is another NSAID but causes less GI disturbance. Naproxen works by reducing the production of prostaglandins, which in turn reduce the contractions of the uterus. Another option would be seeing if your GP will prescribe an Antispasmodic drug. This sometimes helps with cramps. If everything fails, the pill is another option or progesterone norithisterone might be the way to go.
