Ibuprofen 400mg Tablets help to reduce inflammation and muscular and rheumatic aches and pains. Ibuprofen 400mg tablets Ibuprofen 400mg Tablets can be used by adults and children over 12 years to relieve symptoms of rheumatic or muscular pain, backache, neuralgia, migraine, headache, dental pain, dysmenorrhoea, feverishness, symptoms of colds and influenza. Not recommended for use by children under 12 years of age. Ibuprofen belongs to a group of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs) which works to lessen inflammation and pain.