A usually severe condition characterized by fatigue and progressive muscle weakness, especially of the face and throat, is

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Quizplus · Accepted Answer

The condition described in the question is myasthenia gravis, which is a chronic autoimmune disorder that affects the neuromuscular junction, leading to muscle weakness and fatigue, especially in the face and throat. Muscular dystrophy is also a progressive muscle disease, but it typically results in the weakening and wasting away of muscles throughout the body, rather than being limited to specific areas. Encephalitis is a condition that involves inflammation of the brain, and cerebral palsy is a group of disorders that affect movement and posture.

A Usually Severe Condition Characterized by Fatigue and Progressive Muscle