Nurofen joint back 256mg tablets contain sodium ibuprofen an anti inflammatory which is effective against mild to moderate joint back and muscle pain the tablets can also be used to treat high temperature r r up to 8 hours of protection from r r r r back and joint pain r r muscular and rheumatic pain r r body aches and pains r r period pain r r inflammation r r migraine or headache r r fever r r cold or flu pain