Have a male dashound, 6 years old who will chew and just about anything (socks, underwear, tshirts) he has had tummy aches in the past, normally pukes and is fine. He has a tummy ache now, keeps stretching out while walking (this is par for the course in the past also), but isn't getting any releif this time. Any suggestions?? Have held him, walked him and rubbed his belly.