Was at zehrs at bigbay and yonge at 7pm and these are in clearance

Was at zehrs at bigbay and yonge at 7pm and these are in clearance.
Also what’s going on with kids pain relief? The shelves are empty and my guys teething (9months) and shoppers and Walmart are completely out. Zehrs had a handful left when I was in. They have a number of cough and cold medications for kids.