These include partial facial paralysis, muscle weakness, and trouble swallowing. Latrotoxin causes pain, muscle contraction and if untreated potentially paralysis and death. There may also be moderate to severe flaccid paralysis and kidney damage. Overdosages result in delirium, coma, respiratory paralysis, and death. Physicians may also use the term recurrent laryngeal nerve paralysis. Death is due to suffocation resulting from paralysis of the respiratory muscles. Neurotoxic symptoms (ptosis, ophthalmoplegia, bulbar paralysis, and peripheral muscular weakness) developed in 85%. The weakness may range in severity from mild to complete paralysis. Bell's palsy is the most common cause of one-sided facial nerve paralysis (70%). Many cases of poliomyelitis result in only temporary paralysis. Acute risks include brain damage, paralysis, and death. Death is usually secondary to respiratory paralysis. The symptoms are similar to those of sleep paralysis. Berry recovered from brain damage and partial paralysis. Its venom consists mostly of powerful neurotoxins which induce muscle paralysis.