Prognosis
Generally, if the patient is treated and survives then a full recovery is expected. Patients who present early to medical facilities and have prompt medical treatment typically will have a favorable outcome. Alternatively, patients presenting late with signs and symptoms of coma, hyperkalemia, seizures, or severe acidosis have a poor prognosis. Patients who develop severe central nervous system manifestations or stroke who survive may have long term neurologic dysfunction; in some cases they may recover, although convalescence may be prolonged. The most significant long-term complication is related to the kidneys. Cases of permanent kidney damage, often requiring chronic dialysis or kidney transplantation, have been reported after severe poisoning.
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