Get medical attention immediately. See information on corrosive substances. Cover with sterile bandages. Get medical attention immediately. If death does not occur from local effects, systemic effects may include shock, hypotension and hypocalcemia with respiratory, neurological, cardiovascular, and muscular effects, collapse, convulsions, and coma.
Pyloric obstruction is the most common long term sequela.
Kidney damage, indicated by oliguria, anuria, uremia, albuminuria and hematuria, may be due to mechanical injury from the oxalate deposits, or from tubular necrosis as a result of vascular effects from hypocalcemia. Pathologically, the kidneys show cloudy swelling, sclerosis of tubules and hyaline degeneration. Gastrointestinal symptoms may be absent with dilute solutions. The first signs of poisoning may be muscle twitching, cramps or central nervous system depression. Other symptoms may include weak and irregular pulse,salivation, nasal discharge, progressive weakness, anorexia, and cerebral edema.