 [ Symptoms ] i have severe period pains taking mefanamic acid need to solve medical problem for good [ Disease ] hi you should avoid taking mefenamic acid for such a long period of time better if you take anti spasmodics rather than pain killers pain killers will damage your kidneys and liver anemia causes dysfuntional bleeding and this in turn causes anemia this is a vicious cycle and needs to be broken take hematinics do yoga meditation and build up ur immunity by eating and exercising healthy get usg abdomen done and do consult a gynecologist thanks