Why is my puppy suddenly lethargic, not eating, and constipated?

It always concerns me when young puppies get lethargic. Puppies are more susceptible to the effects of dehydration and hypoglycemia (low blood sugar) than adult dogs, so diarrhea is more serious for Wallace than it would be for an adult dog. If he's back to acting normally, eating, drinking, and doesn't have further diarrhea or vomiting, it's perfectly fine to continue monitoring him at home. However, if he remains lethargic, has more mucousy diarrhea, begins to vomit, or refuses to eat or drink normal amounts, then you should have him examined by his vet. Your vet will need to do a physical exam. Depending on their suspicions based on their exam findings, they may recommend some diagnostic testing or may opt to start him on some medications. Possible causes of this type of issue include stomach upset from a virus, intestinal parasites, among many other issues. If your vet finds that Wallace is dehydrated, they'll also be able to give him some fluids. I hope that he feels better soon!

I recommend to have your pup examined by the veterinarian today. Fevers are unusual in pets and need to be addressed. Most of these pets will benefit from supportive care. I hope this helps and that she starts feeling better quickly.

Poor Luna! She could have an infection (parvo, etc) or a parasite. Since she has bloody stool and is lethargic, she should be examined by a vet to determine the cause and treat. Your vet can test a stool sample to help diagnose and then prescribe medications to treat the problem. She might also need some fluids to prevent dehydration. Hope she gets better soon!

Hi, and thanks for your question. These signs could be compatible with an inflammation infection of the gastrointestinal system and surrounding organs (like pancreas and liver). A clinical examination at your local veterinarian is immediately essential to confirm these clinical suspicions and treat appropriately. Antibiotics and possibly further investigations (like abdominal imaging as ultrasound or radiographs) may be needed. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!

This sounds very peculiar especially in such a young pup. I would be worried that he has a fever, and it would be important to check. If so, I would be suspicious of polyarthritis due to sepsis, lyme disease or other tick born diseases. Common conditions I see in young pups are pancreatitis, gastrointestinal parasites, and gastroenteritis. A good physical exam would be helpful. A painful abdomen, a positive fecal exam etc would help to narrow down what is going on.

The ocular discharge may or may not be related to his lethargy, decreased appetite, and usual stool volume and color. As long as the eye is not red, I would not worry too much. The lethargy, decreased appetite, and stool are suggestive of a primary gastrointestinal, pancreatic, or liver problem. You are doing a good job of trying to keep him hydrated. Continue the pedialyte and offer some chicken and rice. Discuss bloodwork including testing for pancreatitis, and abdominal x-rays with your veterinarian.

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Luna. Poor girl. Lethargy and a loss of appetite are both signs of illness that can include dental disease, systemic illness, infection, or injury. Without seeing her in person, I can't narrow it down. I'd have her seen by a vet today. The vet can diagnose what is causing her symptoms and can treat her. Best of luck!