What are the symptoms associated with brachial plexus injury?

Pain, numb, weak: A brachial plexus injury is a nerve injury. Resulting symptoms can include nerve pain (typically a burning sensation), numbness, tingling and weakness of the upper extremity. Fortunately, most brachial plexus injuries heal simply with time, in a matter of hours to months, depending on severity. Treatment of your symptoms can be directed by your physician.