The capsules are also 20% more effective than the suspension and the suspension tastes absolutely vile, so bad that it is almost impossible to get them to sollow it, it was design initially for use via a nasalgastro tube. The other thing is that the suspension has a side effect of making them vomit shortly after taking it. So there is kind of no point if firstly you can't get it in your baby and then what you manage to get them to sollow they then vomit.
Give the granules in a little pureed pear or apple, don't worry that it is solids, it is basically acting like the syrup most children medicines are put in (like pamol). The acid also helps make the granules more effective.
A good website to look at if you are interested in more information about your son's medication is
cryingoverspliltmilk