Dog has diarrhea, vomited, and strains to poop. What's wrong?
What you are describing can have many causes, but is suspicious of a colitis ( inflammation of the colon). This tends to present as small amounts of diarrhea that sometimes has blood in it and tends to cause a great deal of straining.
If this only happens while you are at work, then I would be suspicious of a stress colitis. Below is a link to some good information about this.
https://vcahospitals.com/know-your-pet/colitis-in-dogs
Again, there are many causes of the problems you are noting. Infection, parasites, food intolerance, and certain cancers are among the possible causes. For this reason it’s best to have Dolly evaluated by a veterinarian in the next day, or two. They can help narrow-down the potential causes and ensure the appropriate treatment is given.
I hope that helps and Dolly gets better soon.
Updated on September 23rd, 2025