Rach75,You may want to get little jack checked out by the dr.I just rang my friend and the same thing happened to her little girl but at 12months.She had to be admitted to hospital for dehydration and observation.The drs wont say for sure that its the needles but you only have to put 2 and 2 together.Or ring health direct,especially if you know this is not normal for jack.
Adele i will email you!