Mefenamic Acid is a painkiller that can provide relief for painful or heavy periods. Mefenamic Acid relieves heavy and painful periods by blocking the release of hormones called prostaglandins. This hormone can cause your womb pain if it produces too much. You can start taking mefenamic acids tablets the first day of your period. Continue taking them until you feel comfortable (usually four days). 500mg mefenamic acids is taken up to three times daily. Online Pharmacy 4U makes it easy to order mefenamic Acid. All you have to do to order mefenamic online is complete a short medical questionnaire. Once you have placed your order, one our doctors will review it and approve the treatment.Buy Mefenamic Acid