Ingestion of strong alkali, such as lye, which is contained in certain toilet bowl cleaners and hair products. Causes burns and tissue necrosis in the mouth, esophagus, and stomach. Don't let the child vomit. Symptoms include pain in mouth and throat, drooling saliva, mouth turns white, vomits blood, mucus and necrotic tissue, tachycardia, tachypnea, pallor, hypotension. Therapeutic management includes bringing child to nearest hospital, no activated charcoal, IV morphine for pain, X-ray, laryngoscopy and esophagoscopy, intubation or tracheotomy