Rheumatic ointment: lumbago, sciatica (topical). Indications Lumbago; backache due to degenerative rheumatic processes such as chondritis, osteochondritis, and osteoarthritis; muscular rheumatism (fibrositis). Ankylosing spondylitis; cervical and lumbar facet syndrome; brachialgia; intercostal neuralgia; sciatica. Chronic rheumatic inflammation of the tendons, ligaments, or joints.