My friend is 16 year old when she gets her period she has in lot of pain than she goes to chemist and take any pain killer for 4 or 5 days when her period end she relief from her pain and she always in pain when she gets her period. She gets her period when she was 13 and gets always pain in her period so suggest me some better pain killer for period pain so she can take always in her period the same pain killer. She is taking now meftal spas.