DOGS · Real veterinary cases
My puppy is shaking and not eating what is wrong
A pet owner asked our search engine this exact question. We pulled 8 matching peer-reviewed veterinary case reports from our library of published veterinary papers. Here's what they say — in plain English, with citations.
Plain-English synthesis
## What these cases have in common The cases primarily involve young dogs presenting with symptoms such as shaking, vomiting, and loss of appetite. Many of these cases were diagnosed with canine parvovirus, a highly contagious virus that causes severe gastrointestinal illness, while others were linked to conditions like shaker dog disease or tick-borne infections. ## Treatments that worked - **Fluid therapy**: Administered in multiple cases (4 of 8), this treatment helped to rehydrate dogs suffering from severe gastrointestinal symptoms and dehydration. - **Prednisolone and diazepam**: Used in 1 case, this combination effectively resolved tremors associated with shaker dog disease. - **Antibiotics**: Broad-spectrum antibiotics were utilized in cases of aspiration pneumonia and infections, showing improvement in symptoms. - **Phosphorus supplementation**: Applied in one case of hypophosphatemia, this treatment successfully addressed neuromuscular dysfunction. ## Outcomes The treatments were generally effective, with many dogs recovering fully after appropriate interventions, particularly in cases of parvovirus and other infections. ## Next step Bring these specific cases to your vet to discuss whether any sound like your pet's situation.
Conditions worth asking your vet about
These are the specific named diagnoses a vet would typically investigate for this presentation — not categories like “metabolic disorder”, but the actual conditions you can mention by name.
Hypoglycemia (juvenile)
Young puppies, especially small breeds, can experience low blood sugar due to their high energy needs and limited glycogen stores. Symptoms include shaking, weakness, and not eating. A blood glucose test can confirm hypoglycemia.
Parvovirus infection
Parvovirus is a highly contagious viral disease that affects puppies, causing symptoms like vomiting, diarrhea, lethargy, and loss of appetite. It's diagnosed with a fecal antigen test.
Distemper virus
Canine distemper is a viral disease that can cause neurological symptoms like shaking, as well as respiratory and gastrointestinal signs. Puppies are particularly vulnerable. Diagnosis is through PCR or serology.
Toxin ingestion
Puppies are curious and may ingest harmful substances, leading to symptoms like shaking and anorexia. A thorough history and possibly blood tests can help identify the toxin.
Hypothermia
Young puppies can easily become cold, leading to hypothermia, which causes shaking and lethargy. Ensuring a warm environment and checking body temperature can help diagnose this.
Gastrointestinal foreign body
Puppies may swallow objects that can obstruct the gastrointestinal tract, causing symptoms like not eating and discomfort. An abdominal X-ray or ultrasound can help diagnose this.
Easily confused with: Pancreatitis · Addison's disease · Sepsis · Intestinal parasites
Real peer-reviewed cases
Each link below opens the full PetCaseFinder write-up of a published case report. Bring any of these to your next vet visit — they're the kind of citation a vet will recognise.
#1 match
A case of shaker dog disease in a miniature dachshund.The Journal of veterinary medical science · 2004 · Japan
A 22-month-old male miniature Dachshund was brought in because he was experiencing shaking all over his body. A thorough examination of his nervous system and brain scans showed no major issues, but tests of his spinal fluid indicated a slight increase in protein and cell count. This dog was diagnosed with shaker dog disease, which is often seen in small dogs, particularly those with white fur, but can occur in others as well. After starting treatment with prednisolone and diazepam, the dog's tremors completely went away by the next day.
Read the full case →#2 match
Canine Parvoviral Enteritis in a Five Month Old Golden RetrieverJournal of Applied Veterinary Science and Technology · 2025 · ID
A five-month-old female Golden Retriever named Golden was diagnosed with canine parvoviral enteritis, a serious viral infection that affects the intestines, after showing signs of illness for two days. She had stopped eating, was vomiting about five times a day, and had bloody diarrhea. When examined, she was moderately dehydrated and showed other concerning signs like pale gums and a fast heart rate. Tests confirmed the parvovirus, and she was treated with antibiotics, medication to control vomiting, and fluids to help with dehydration. After five days of treatment, Golden showed significant improvement, with her appetite and energy returning, and she was considered fully recovered.
Read the full case →#3 match
Case Report: Multiple Tick-Borne Diseases and Gastrointestinal Protozoal Infection in a Young Poodle DogMedia Kedokteran Hewan · 2025 · ID
A three-month-old female poodle was diagnosed with multiple infections caused by ticks and gastrointestinal parasites. The owner noticed that the dog was vomiting yellow fluid, had bloody diarrhea, and had stopped eating. During the vet's examination, the dog was found to be very tired, slightly dehydrated, and had swollen lymph nodes, along with a tick on her body. Tests showed positive results for several tick-borne diseases and the presence of Giardia and Amoeba in her stool. After receiving a combination of antibiotics, fluids, vitamins, and special food, the dog showed significant improvement during a three-day hospital stay and was considered fully recovered after two weeks of treatment.
Read the full case →#4 match
Evaluation of Canine parvovirus – 2 case observed in a Toy Poodle breed dogJournal of Istanbul Veterinary Sciences · 2025 · United States
A three-month-old female toy poodle was brought to the clinic because she had stopped eating, was very tired, had diarrhea, and was vomiting. The veterinarian diagnosed her with canine parvovirus (CPV-2), a serious illness that can be deadly, especially in puppies. Tests confirmed the presence of the virus in her blood and stool. After receiving treatment, the dog made a full recovery. This case highlights the importance of being aware of CPV-2, even in vaccinated dogs, to ensure they stay safe and healthy.
Read the full case →#5 match
Neuromuscular signs associated with acute hypophosphatemia in a dog.Journal of the American Animal Hospital Association · 2015 · United States
This report discusses a case involving an adult dog that had been vomiting, eating less than usual, and experiencing abdominal pain for two days. After X-rays suggested a blockage, the dog underwent surgery to remove part of the intestine. Although the surgery went well, about a day and a half later, the dog developed significant weakness and muscle tremors, along with a high temperature. Blood tests showed a very low level of phosphorus, which is important for muscle function. After starting phosphorus supplements, the dog fully recovered within six hours and showed no further signs of weakness or tremors.
Read the full case →
Your pet's case is probably already published.
PetCaseFinder reads thousands of peer-reviewed veterinary case reports and translates the relevant ones into plain English. Type your pet's exact symptoms and we'll surface the published cases that match — with citations you can bring to your vet.
Run a personalised search →Frequently asked questions
What does my puppy is shaking and not eating what is wrong usually mean in dogs?
Published veterinary case reports most often link this presentation to: Hypoglycemia (juvenile), Parvovirus infection, Distemper virus. Your vet may also rule out other causes depending on age, breed, and history — this page is a research aid, not a diagnosis.
How many real cases did PetCaseFinder find?
We surfaced 8 peer-reviewed case reports from our library of published veterinary case reports. The top matches are listed above with full citations.
Is this veterinary advice?
No. PetCaseFinder surfaces published veterinary research so you can have a better-informed conversation with your own veterinarian. Always confirm any diagnosis or treatment with a licensed vet who can examine your pet.