Should we keep giving medicine?

Q: My 8wk old cavapoo was brought home with orders to give 0.6 ml of doxycycline twice a day until gone. He is not tolerating it and is vomiting after taking it. We are on day 2 of the med and he refuses to eat or drink since vomiting this morning. I have been syringe feeding him water and some of the corn syrup they also gave me to prevent low blood sugar. Do I keep giving him the med?

A: You should not give any more antibiotic until he has gone without vomiting for at least 2 hours and until he has some solid food in his stomach. Try giving a combination of baby food, karo syrup and warm water in equal parts. Give about 4ml per pound of body weight each 1-2 hours. If he keeps that down then you can try the antibiotic again.