Classifications and date each PPI medicine was made available as an over-the-counter medicine
| PPI medicine | ATC code | High strength | Standard strength | Low strength | Date medicine became available over the counter |
| Omeprazole | A02BC01 | – | 20 mg* | 10 mg | June 2016 |
| Pantoprazole | A02BC02 | – | 40 mg | 20 mg* | June 2015 |
| Lansoprazole | A02BC03 | – | 30 mg | 15 mg* | June 2016 |
| Rabeprazole | A02BC04 | – | 20 mg | 10 mg* | June 2016 |
| Esomeprazole | A02BC05 | 40 mg | 20 mg* | – | February 2016 |
*The strength of PPI medicine rescheduled to over-the-counter medicine (Therapeutic Goods Administration et al.)57
ATC, Anatomical Therapeutic Chemical; PPI, proton pump inhibitor.