Incorrect Medication

Good morning, We visited Dischem South Gate on Monday last week for my son's prescription, he was diagnosed with bronchitis , & he's is asthmatic, Due to your staffs negligence he was given medications of another patient from dispensary, This medications are for a person with diabetes, side effects are weight loss, stomach cramps, trouble breathing(for a person who is asthmatic, we also noticed weight loss in him.We laid a complaint yesterday with your management of lack of urgency , till today no one has come back to us , Note we still missing medications that was meant to make my son better, & plus he was given medications that have caused harm to him , He now needs another consultation & tests to ensure all is well with him from our pockets again, Please contact me regarding this ,Anele did nothing about this He promise he will send draver or call until today