Nurofen Pain Relief Ibuprofen 256mg Tabs 16 per packSodium Ibuprofen. Nurofen Pain Relief 256mg Tablets. For the relief from: Headache, feverishness, muscular pain, cold and flu symptoms, period pain, migraine, rheumatic pain, dental pain, backache, neuralgia. Lasts up to 8 hours. For oral administration and short term use only: Adults, the elderly and children and adolescents between 12 and 18 years: Swallow 1 or 2 tablets with water up to three times a day as required. Leave at least 4 hours between