Definition: A vague complaint of debility, fatigue, or exhaustion attributable to weakness of various muscles. The weakness can be characterized as subacute or chronic, often progressive, and is a manifestation of many muscle and neuromuscular diseases. (From Wyngaarden et al., Cecil Textbook of Medicine, 19th ed, p2251)
GEN or unspecified as a clin state or clin manifest: specific musc or neuromusc dis of which this is a manifest are also available; do not confuse "myasthenia" (my-, muscle + asthenia, weakness) in foreign titles with "muscle weakness": it is more likely
See AlsoAsthenia
