Fibromyalgia is a non-specific muscular disorder of unknown origin. It primarily affects insertions of tendons and associated soft tissues and presents with dull aching pains. It is much more common in women. Epidemiology and Aetiology Cause is unknown Affects muscles rather than joints – although can often feel like joint pain Peak age of onset: 40-50 years M:F ratio 1:9 Pathology
ANALGESICS: THEIR PHARMACOLOGY AND THERAPEUTICS Pain is a common problem, and it is essential that doctors know how to treat it. It is recognised that many psychosocial factors affect people’s perception of pain, in particular of chronic pain. This revision article describes the pain ladder and the pharmacology and uses of the drugs it recommends. THE W.H.O. PAIN LADDER1