My 15 week old has just projectile vomited straight after a feed. To give you an idea of the amount, I was soaked, including underwear, as was he and the pillow he was on.
He did it on Tuesday night but has been fine in between, feeding and sleeping well and seems alert and happy. Yesterday he did have 'projectile poo' out of the side of his nappy, not sure if this is related!
Apart from these 2 occasions, he's probably done it once or twice in the past, and never with this much force iirc.
Do I need to worry?