Most of them are still available. The drugs that must be prescribed in the hospital are prescription drugs, which need to be sold by prescription pharmacies. It depends on whether there is an "OTC" sign on the drug package (in the upper right corner of the front of the package). You can buy it without a prescription, otherwise you will have to go to the hospital for a prescription.

But now, in order to pursue profits, individual pharmacies can buy prescription drugs without a prescription.