Hello I am Dr. Joey. Thanks for trusting me to help you and your pet today. I am a licensed veterinarian with over 15 years of experience. I look forward to working with you. I apologize for the delay in an expert jumping in to answer you.
This is an emergency if the vomit and diarrhea is persisting and if this is very bloody (perhaps straight blood or looks like strawberry jam) because then, given his breed, I worry this may be a condition called hemorrhagic gastroenteritis (HGE). HGE can become rapidly life threatening due to the fluid and blood loss, but is very easily treatable with hospitalization and intravenous fluid therapy.
Alternatively, if not bloody then another indication this is an emergency situation is if he is profusely vomtiing and have continuous diarrhea. He is just too small to be able to account for that level of fluid loss. And contending with this at home is virtually impossible since anything we give by mouth will come right back up.
If he seems fine this morning with no further vomit, good attitude and interested in food then here are a few recommendations I might recommend if he was my patient that you could try at home (keeping in mind if anything I mentioned above occurs, then this becomes an emergency situation):
1) Feed a bland diet: Try white rice and boiled chicken
breasts (chopped) in about 3 meals per day. You may substitute cottage cheese for the chicken but do not give both.
2) Give famotidine
10mg at ½ tablet every 12 hours for nausea/vomit. You should be able to find this medication at any pharmacy over-the-counter. It has no bad side effects and does a great job to settle stomach
acid and reduce nausea.
3) Peptobismol liquid: Give 1 ml by mouth every 8 hours for diarrhea. This medication must be given 1 hour after any other medication as it will coat the system and can potentially prevent absorption of other medications.
4) Probiotic supplementation: Start a probiotic such as one made for dogs (Proviable or Fortiflora) or you may use culturelle as made for people (1 capsule daily). Or if you cannot get any of those products then give 1 tsp of plain yogurt once daily.
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