Dr Deb - TMA member in Brisbane
A recent study looking at the accuracy of tablet splitting, found large variations in dose in some of the splits. Some tablets are easier to split than others, and some drugs are more dangerous than others if you get the dose slightly wrong.
The major finding of the study was this "Based on our results, we recommend use of a splitting device when splitting cannot be avoided, for example when the prescribed dose is not commercially available or where there is no alternative formulation, such as a liquid."
Tablet splitters can be purchased from most pharmacies. More info.