Brufen Retard is classified as an anti-inflammatory pain reliever medication. It is effective in reducing pain and inflammation associated with various conditions, including osteoarthritis, rheumatoid arthritis (including juvenile rheumatoid arthritis or Still’s disease), arthritis of the spine, ankylosing spondylitis, swollen joints, frozen shoulder, bursitis, tendinitis, tenosynovitis, lower back pain, sprains, and strains.