Huge difference in price for same medicine

After my daughter fell sick with stomach flu, we took her to Mount Alvernia Hospital, where a doctor prescribed a probiotic medicine known as Lactoel Forte.

A sachet of six was priced at $10.60.

A few days later, my daughter did not recover, and we went to Mount Elizabeth Hospital Orchard.

Again, we were prescribed Lactoel Forte in the same dose. However, this time, it cost $39.60.

At Guardian, the same medicine costs $10.20.

I am shocked that Mount Elizabeth charged nearly four times more for an over-the-counter medicine. Even Mount Alvernia, another private hospital, did not charge so much.

What does Mount Elizabeth base its charges for medicine on?

Heng Siew Cheng