Sorry having trouble believing that - Peroxide is toxic - presuming it is hdrogen peroxide
Hydrogen Peroxide :
Effects on Humans: Hydrogen peroxide is an irritant of the eyes, mucous membranes, and skin. Inhalation of high concentrations of the vapor or mist may cause extreme irritation of the nose and throat [Hathaway et al. 1991]. The inhalation of 7 ppm causes lung irritation in humans [NLM 1992]. Severe systemic poisoning may cause headache, dizziness, vomiting, diarrhea, tremors, numbness, convulsions, pulmonary edema, unconsciousness, and shock. Exposure for a short period of time to the mist or spray may cause stinging and tearing of the eyes [Hathaway et al. 1991]. Splashes of high concentrations of hydrogen peroxide in the eyes may cause severe corneal damage. At very low concentrations (1 to 3 percent), instillation of hydrogen peroxide into the eye causes severe pain that later subsides [Grant 1986]. Skin contact with liquid hydrogen peroxide causes a temporary whitening or bleaching of the skin; if the skin is not washed promptly, redness and blisters may develop. Ingestion of hydrogen peroxide may cause irritation of the upper gastrointestinal tract and severe damage to the esophagus and stomach [Hathaway et al. 1991]. Hydrogen peroxide has caused DNA damage in in vitro human test systems [NIOSH 1995]...
Surely the hosp would know what is going on, and as for the soap up the bum that would just be an irritant and make them poo.
Hope to god that someone has just got things wrong.