Alright, so my dad texted my mom what happened and apparently it's just allergies (how do allergies make you sneeze blood though???). Although, that's the least of the problems. We discovered that he has arthritis. He's going to have to go to the vets office every 3-4 weeks for the next few months for checkups on the arthritis and allergies. Next weeks he's having an allergy check so that they figure out exactly what we need to keep him away from. Luckily it's nothing that will kill him (as far as I know). Although it isn't fixed just yet... My dog should be home within the next hour or two (they have to run a few more tests). Thank you for your concern.
That is beater than you thought and booey has arthritis to hope he comes back!
I'm praying everything goes well :)
I just read the other post and I'm glad it's nothing too serious. All of my dogs are pretty old, (the youngest being nine, and the oldest turning fifteen this summer) and one of them also has arthritis. I hope he gets to go back to your home soon and that he gets lots of pets.