KITCHENER, Ont. – A 32-year-old Ontario woman who used to operate a home daycare is facing charges after police allege she poisoned two kids.

Waterloo Regional police allege the suspect gave the children an over-the-counter eye care product that can cause abnormal drowsiness, low blood pressure, respiratory problems and decreased heart rates in young children.

Police say they were alerted to an incident in March in which a child who was under the suspect’s care was taken to hospital on two occasions with what they call “serious physical symptoms.”

Detectives say they discovered that another child who had been under the woman’s care in July 2010 had similar symptoms, and recovered after a few days in hospital.

Christine Allen, who also goes by Christine Keilbar, is charged with two counts each of aggravated assault and administering a noxious substance.

Police say she operated a home daycare in Kitchener, Ont., from 2009 to 2011 and investigators are concerned there may be more alleged victims.

Keilbar is in custody and is set to appear in court July 24 in Kitchener.