I wouldn’t advise dividing the tablet (even if scored) the medication is not evenly distributed within the tablet, so that could result in too little or too much medication being consumed.
“Equal distribution of medicine in split tablets is questionable. Studies have shown that the actual dose in each half of a split tablet often is different. So while the two halves may look the same, they don’t necessarily contain equal amounts of medicine. Even if the tablet is scored with a line that runs down the middle, one half may actually have more medicine than the other”.
Above is an excerpt from:
http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm171492.htm
Giving the pill any way other than prescribed not only could make it ineffective but also could result in adverse reactions. The pill has to be given in it’s entirety at one time.
