He should be having A SIP of water every 10mins. If he manages to keep this down then you'll be fine. If not, then take him to the Dr, might need a drip.
There's a horrible stomach flu virus going around that apparently you can even pick up from supermarket trolleys - a friend of mine's entire family has had it and I look after her baby once a week!
Healthline is good to phone if you're not sure whether or not/when to take to Dr: 0800-611-116
Edited by nathansmummy