I have a 13 week old 3/4 bulldog 1/4 staff, my friend looked after him on Friday afternoon and stupidly gave him a digestive biscuit, he also ate a garlic clove, then on Friday night he was sick twice, he was fine on Saturday and was eating, playing, chewing and fine on his walk, he slept fine on Saturday night as usual but woke up at 6am and was a tiny bit sick and it was white froth, he then ate his breakfast went for a wee and poo and again has been fine, but I am a bit worried about him, do you have any idea and do I need to take him to the vet?