If you’re travelling in remote areas, getting a prescription filled can be a nuisance.
Did you know that you can ask your doctor to endorse a prescription with “Regulation 24” and the chemist is then permitted to issue 6 months’ worth (or 3 months, if that is the length of the prescription) at the same time? This applies only to the original prescription.
Here’s a quote from the Chemist Warehouse site, explaining this – but naturally, the best person to ask is your own doctor!