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Parsonage Turner Syndrome results in sudden and intense pain in the shoulder, lasting for long
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This syndrome may cause muscle weakness following episodes of intense arm pain
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It occurs due to injury of the brachial plexus, a network of nerves passing through the armpits and arms
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Bacterial or viral infections may affect the brachial plexus, producing typical symptoms
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It is also known as brachial neuritis, and in about eighty percent of people, it occurs on one side only
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The sudden sharp pain often becomes worse at night, interfering with the sleep of the affected person
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Weakness is usually seen in the upper arm but may extend to the forearm and hand
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Abnormal sensations like tingling and numbness may be felt in the affected arm due to nerve involvement
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Other symptoms include shoulder movement difficulty and winging of the scapula (shoulder blade)
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Healthcare providers may recommend non-steroidal anti-inflammatory drugs or corticosteroids for relief