i took my yorkie to the vet bc she has a hard round stomach she is eatting good she poops but its a lil hard to me the veternain said her stomach is a lil hard and round to him also so he gave her drontal and shots but I havent seem any worms yet in her poop she is a sweet lil yorkie and I am so concern about her tummy she plays and runs barks with my other 1 year old male yorkie he loves her lol Is there anything I can give to her to make her stomach soft maybe she is constapatied plz help