Vomiting and Diarrhea

For most pets, vomiting and diarrhea are an urgent care visit, not an ER visit. Go to a 24-hour emergency hospital only for specific danger signs.

Most cases of vomiting and diarrhea – even bad ones – don’t need a 24-hour emergency hospital. Urgent care has the same diagnostics (bloodwork, fecal testing, X-rays, ultrasound) and medications (fluids, anti-nausea injections, antibiotics, antiparasitics) with the clinic, wait, and cost all structured around your pet’s case, and most pets go home the same evening.

Bring your pet to urgent care if:

• Vomiting or diarrhea has lasted more than a few hours
• Swallowed a known toxin (e.g., chocolate, grapes, xylitol, antifreeze, rat poisoning, certain plants) and recommended to come in by poison control
• Your pet is dehydrated, lethargic, or off their food
• You see occasional blood in vomit or stool
• It’s after-hours and your regular vet is closed or fully booked

Go straight to an ER instead if your pet:

• Has non-productive vomiting and a distended or swollen belly (bloat is a true emergency)
• Swallowed a foreign object that requires surgery (sock, bone, toy, corn cob)
• Collapsed, has pale or white gums, or is extremely weak
• Has symptoms severe enough to need overnight hospitalization

Bring your pet in if symptoms have lasted more than 24 hours, if there’s blood involved, if they can’t keep water down, or if they seem lethargic, weak, or in pain.

Don’t wait if you notice:

• Repeated vomiting or diarrhea – more than once or twice in a day
• Symptoms lasting longer than 24 hours
• Blood in vomit or stool – bright red, dark, or a coffee-ground appearance
• Lethargy, fever, or loss of appetite alongside the GI symptoms
• Signs of dehydration – sunken eyes, dry or tacky gums, weakness
• Inability to keep down even small amounts of water
• Any GI symptoms in a puppy, kitten, or senior pet

Dehydration is the urgent concern. Pets – especially small or young ones – can become dangerously dehydrated within a few hours of repeated vomiting or diarrhea, and once dehydration sets in, recovery takes longer and costs more.

The most common causes are dietary indiscretion (eating something they shouldn’t), parasites, infections, food sensitivities, toxin ingestion, stress, and chronic GI conditions.

Vomiting and diarrhea are symptoms, not diagnoses – they’re the body’s way of telling you something is off. Figuring out the cause matters, because the treatment for a one-time trash-can raid is very different from the treatment for an intestinal parasite or a swallowed object.

Common culprits we see:

• Dietary indiscretion – getting into the trash, table scraps, or spoiled food
• Food allergies or a sudden change in diet
• Parasites – roundworms, hookworms, Giardia
• Infections – bacterial or viral, including parvo in unvaccinated puppies
• Toxin ingestion – chocolate, grapes, certain plants, household chemicals, human medications
• Foreign objects – toys, bones, fabric, anything they shouldn’t have swallowed
• Stress – travel, boarding, a new pet, household changes
• Chronic illness – kidney disease, liver disease, pancreatitis, or inflammatory bowel disease

Mild diarrhea from dietary indiscretion typically resolves in 24–48 hours in otherwise healthy adult pets. Diarrhea lasting longer than 24 hours, containing blood, or paired with vomiting or lethargy needs a vet.

A single bout of soft stool – say, after a treat your pet shouldn’t have had – usually clears on its own within a day if your pet is otherwise bright, alert, and drinking. But the threshold for coming in drops sharply for puppies, kittens, senior pets, or any pet with existing health conditions: their reserves are smaller, dehydration sets in faster, and a wait-and-see approach is riskier. If diarrhea hasn’t improved within 24 hours – or if any other symptoms (vomiting, weakness, blood, refusal of food) appear – don’t keep waiting.

We start with a hands-on exam and a short symptom history, then run targeted diagnostics – bloodwork, fecal testing, urinalysis, or imaging – to identify the actual cause. We will recommend specific diagnostics based on the symptom history that you provide and will only recommend diagnostics that are medically relevant.

Depending on what we find, we may recommend:

• Bloodwork – checks hydration, organ function, and signs of infection
• Fecal testing – detects parasites, bacteria, or protozoa
• Urinalysis – assesses kidney function and hydration
• X-rays or ultrasound – looks for foreign objects, obstructions, or tumors
• Pancreatic testing – when pancreatitis is suspected

Before we run anything, we’ll show you the proposed plan and the cost. You decide what to approve.

Most pets with vomiting or diarrhea go home the same night, usually with fluids, anti-nausea medication, and a clear care plan – only the more serious cases need an ER referral.

Common treatments include:

• Fluid therapy – IV or subcutaneous fluids to correct dehydration
• Anti-nausea and anti-diarrheal medication to ease symptoms
• Antibiotics or antiparasitics when an infection or parasite is identified
• Bland-diet recommendations and prescription GI diets for recovery
• Probiotics to help restore gut bacteria
• Referral to a 24-hour hospital for surgery – rare cases like obstructions or severe pancreatitis

If your pet has had only one mild episode and is otherwise bright, alert, and drinking, it’s safe to watch them for a few hours – but call us if anything changes.

Safe home care for mild cases:

• Withhold food for 6–12 hours for dogs (do NOT fast cats – they can develop liver problems)
• Offer small amounts of water or ice cubes frequently
• Reintroduce a bland diet slowly – boiled chicken and rice for dogs; plain boiled chicken or a sensitive-stomach wet food for cats
• Keep them in a calm, warm spot and monitor closely

Don’t give human medications. Pepto-Bismol, Imodium, ibuprofen, and acetaminophen can all be dangerous or toxic to pets. And skip the wait-and-see entirely for puppies, kittens, senior pets, or pets with existing health conditions – bring them in.

We see your pet the same evening, in a private exam room, with you by their side – the right place for the right problem, with clinic, wait, and cost structured around your pet’s case.

What that looks like in practice:

• Walk in or “Save My Spot” online to join our waitlist
• Fluids, anti-nausea injections, and diagnostics done in-clinic
• Treatment plan and pricing reviewed with you before anything starts
• Stay with your pet through exam, treatment, and recovery if you want to
• Same-night care for most cases – no overnight hospital stays unless we refer you