My dog ​​has blood and mucus in his stool. What's wrong with my dog's blood and mucus in his stool?

Jul 26,2025
4Min


The reason dogs have blood and mucus in their stools is because they are infected with coccidiosis


Dogs’ stools contain blood and jelly-like substances. Then you must have coccidiosis.
The causative agent of coccidiosis is Isospora coccidia. Coccidia oocysts are not heat-resistant and will be killed quickly in dry air or high temperature conditions.
The cause of coccidiosis infection is that coccidioides invade the intestinal mucosal epithelium and proliferate in large numbers in the intestinal epithelial cells, destroying the intestinal wall mucosa, causing intestinal mucosal damage, and even causing intestinal wall blood vessels to rupture and cause massive bleeding. And cause anemia. At the same time, the damaged intestinal mucosa becomes a channel for the invasion of bacteria and intestinal toxins.

The symptoms of coccidiosis infection are characterized by feces


Coccidiosis mainly occurs in puppies. Affected dogs will only have mild fever, rough hair, and loss of appetite. , indigestion, vomiting and diarrhea, thin feces, brown feces, fishy smell, accompanied by anemia, retardation of growth and development, and in severe cases, blood and intestinal mucus mucus may be present in the feces.
Adult dogs have strong disease resistance and will not show obvious symptoms, but they will excrete eggs in their feces at a later stage, forming a new source of infection.


The treatment of coccidiosis is divided into Chinese and Western therapies


The treatment of coccidiosis can be treated with sulfa drugs, such as sulfamethazine, 10mg /kg body weight orally, for the first time, increase the feeding amount, twice a day, for 3 consecutive days; or use amprolium, feed it at 100-200mg/kg body weight, and mix it for 7 days. This is the treatment method of Western medicine.
You can mix 50g of silkworm, 25g of Dadian, 25g of peach kernel puree, 25g of ground beetle, 25g of raw white book, 15g of Guizhi, 15g of Poria, 15g of Alisma and 15g of Polyporus and decoct it and take it daily. Once in the morning and once in the evening. This is an important treatment.
Dogs with severe diarrhea can be injected with gentamicin sulfate. Depending on the size and age of the dog, the dosage is generally around 1-3ML, once a day; if there is blood in the stool, add ethylamine injection or vitamin K3. 10mg/kg for intramuscular injection. This is mutual therapy.

To prevent coccidiosis, you should pay attention to hygiene


Whether it is to prevent recurrence after recovery or to prevent the disease, you should pay attention to environmental hygiene and the care of dogs in the environment. Have you eaten sewage food infected with coccidia outdoors? Therefore, we should sign a leash when taking our dogs outdoors.Keep a leash around your dog and keep an eye on him to prevent him from accidentally eating dirty things that contain pathogens without you noticing. And the feces of sick dogs need to be specially treated. They cannot be picked up and thrown into the trash can directly. They must be piled up and fermented to ensure that the bacteria die and other dogs will not be infected.
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