# Do Puppies Vomit When Teething? Causes and When to Worry Teething does not normally make puppies vomit. Most puppies chew, drool, and have sore gums between about 3 and 7 months of age, but the stomach is not part of that process [1]. If your puppy is throwing up, look for another cause, because vomiting in a young dog can be serious. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Teething causes chewing, drooling, mild gum soreness, and sometimes a slightly reduced appetite. It does not cause repeated vomiting [1]. - A single soft spit-up right after a meal or after swallowing a chewed object is common and usually not an emergency. - Vomiting that repeats, comes with lethargy, diarrhea, or a swollen belly needs a same-day vet visit. - Puppies dehydrate fast. If your puppy vomits more than two or three times in a day, call your veterinarian. - Never give human anti-nausea or pain medications to a puppy. Your veterinarian calculates any dose from your puppy's weight and health. ## What Vomiting in a Puppy Actually Looks Like Owners often use "vomiting" for several different events. Knowing which one you are seeing helps your vet. **True vomiting** involves active belly contractions, retching, and usually nausea beforehand. Your puppy may lick its lips, swallow repeatedly, or drool more than usual. The material can be food, yellow bile, or foam. **Regurgitation** is passive. Food or fluid slides back up with little or no effort, often right after eating. It can look like your puppy simply opened its mouth and a tube of food fell out. Regurgitation points to the esophagus, not the stomach. **Gagging and coughing** can also be mistaken for vomiting. Some puppies cough and gag when excited, and that can produce white foam. If the sound comes from the throat or chest instead of the belly, it may be a breathing issue. You can read more about that pattern in [Why Does My Dog Cough And Gag When Excited](/knowledge/veterinary-medicine/symptom-guides/why-does-my-dog-cough-and-gag-when-excited) and [Why Is My Dog Coughing And Gagging And Throwing Up White Foam](/knowledge/veterinary-medicine/symptom-guides/why-is-my-dog-coughing-and-gagging-and-throwing-up-white-foam). **What is normal:** An occasional isolated spit-up, especially right after a big meal or a bout of chewing, is common in puppies. One episode with a happy, playful puppy afterward is usually not alarming. **What is not normal:** Repeated vomiting, vomiting that lasts more than a day, vomiting with diarrhea, vomiting with a painful or bloated belly, or a puppy that stops eating and drinking. ## Do Puppies Throw Up When Teething? The Honest Answer No, teething itself is not a recognized cause of vomiting [1]. The teething process involves the gums, jaw, and developing teeth. It does not involve the stomach or intestines. Here is where the confusion comes from. Puppies feel gum discomfort and chew on everything they can reach. That behavior creates real risks that do cause vomiting. ### Chewing and swallowing things that do not belong Socks, toys, hair ties, mulch, rocks, and pieces of chew bones are common swallowed items in puppies. Some pass through. Others sit in the stomach or block the intestine, which causes vomiting that will not stop. ### Chewing on spoiled or toxic items A puppy with sore gums will chew garbage, plants, or dead things outside. That can lead to food poisoning or toxin exposure, both of which cause vomiting. ### Diet changes and treats Owners often offer new chews, dental sticks, or extra treats during teething. A sudden change in what a puppy eats can upset the stomach and cause vomiting or diarrhea. ### Motion sickness and excitement Car rides to the vet or the pet store can make a young puppy vomit. This has nothing to do with teething. ### Illness that happens to start during teething months Teething overlaps with the window when puppies are most vulnerable to parvovirus, intestinal parasites, and other infections. Vomiting during this age range should never be blamed on teething without a vet check. ## Main Causes of Vomiting in Puppies | Cause | Typical clues | How urgent | |---|---|---| | Dietary upset (new food, too many treats) | Vomiting once or twice, soft stool, puppy still playful | Monitor closely, call vet if it continues past 24 hours | | Swallowed object or blockage | Repeated vomiting, not eating, painful belly, no stool | Emergency now | | Intestinal parasites | Vomiting, diarrhea, pot-bellied look, poor coat | Same-day vet visit | | Parvovirus or other infection | Vomiting, bloody diarrhea, lethargy, no appetite | Emergency now | | Toxin exposure | Vomiting, drooling, tremors, wobbliness | Emergency now | | Motion sickness | Vomiting during or right after a car ride | Routine visit if frequent | | Vaccine-associated reaction | Vomiting starting within a day or two of a shot, sometimes with discomfort | Call your vet the same day | | Tick paralysis (in affected regions) | Vomiting or regurgitation with weakness or trouble breathing | Emergency now | Vomiting is a common sign in dogs with tick paralysis caused by the tick species found in parts of Australia, and it is linked to worse respiratory function and survival in those cases [2]. A related study found that dogs with this condition had slower stomach and intestinal contractions than healthy dogs, which helps explain the vomiting and regurgitation [3]. Vomiting can also follow medical events. In one report, a 3-month-old puppy had vomiting, vocalization, and abdominal discomfort for 10 days after vaccination, and the signs resolved on their own within 30 days [4]. This case shows why a vet visit matters. Vomiting in a puppy can have more than one explanation. ## Red Flags That Make It an Emergency Go to an emergency clinic now if you see any of these: - Vomiting that will not stop, or vomiting every 30 to 60 minutes - Blood in the vomit, or material that looks like coffee grounds - A belly that looks swollen, feels hard, or hurts when touched - Weakness, collapse, pale gums, or trouble breathing - Vomiting with bloody diarrhea - Vomiting after you know or suspect your puppy ate a toy, sock, bone, medication, or toxin - Seizures, tremors, drooling, or wobbliness - A puppy that cannot keep water down for more than a few hours Puppies have small bodies and little reserve. Dehydration and low blood sugar can develop quickly. Do not wait to see if it passes. ## Safe Things You Can Do at Home While You Wait These steps are for a puppy that is bright, alert, and has vomited only once or twice. If any red flag is present, skip this section and call a vet. ### Pause food briefly, not water Withhold food for a short time, but keep small amounts of fresh water available. Do not let your puppy gulp a large bowl of water at once, because that can trigger more vomiting. Offer a few laps at a time. ### Offer a bland small meal when the vomiting stops When your puppy has gone several hours without vomiting and is acting normal, offer a small amount of a bland, easily digested food. Keep portions tiny and space them out. If your vet has given you a specific feeding plan, follow that instead. ### Remove chews and toys Take away bones, rawhide, stuffed toys, and anything your puppy has been shredding. These are the items most likely to be swallowed during teething. ### Check the environment Walk your puppy on a leash and watch what it picks up. Check houseplants, trash cans, and garage floors for anything a teething puppy might chew. ### Keep a simple log Write down the time of each vomiting episode, what it looked like, what your puppy ate that day, and whether there was diarrhea. This information helps your vet decide how urgent the problem is. ### Do not give human medications Never give human anti-nausea drugs, pain relievers, or antacids to a puppy unless your veterinarian prescribes them. Some common human medications are toxic to dogs. Your vet will calculate any dose from your puppy's weight and health. If your puppy is vomiting clear liquid or foam, that pattern has its own set of causes worth reviewing in [Dog Vomiting Clear Liquid: Causes and When to Worry](/knowledge/veterinary-medicine/digestive-and-urinary-care/dog-vomiting-clear-liquid). If vomiting happens right after meals, see [Dog Vomiting After Eating: Causes and When to Call the Vet](/knowledge/veterinary-medicine/digestive-and-urinary-care/dog-vomiting-after-eating-causes). For a broader overview of the symptom, read [Dog Vomiting: When Should You Worry?](/knowledge/veterinary-medicine/symptom-guides/dog-vomiting-when-to-worry). ## What Your Veterinarian Will Check and Test Your vet will start with a full history. Expect questions about when the vomiting started, how often it happens, what it looks like, what your puppy eats, and what it might have chewed. ### Physical examination Your vet will check hydration, gum color, heart rate, breathing, abdominal pain, and temperature. They will also look inside the mouth for teething changes, foreign objects, or injuries. ### Weight and hydration assessment Puppy weight is measured precisely. Even a small amount of fluid loss matters in a young dog. ### Fecal testing A stool sample is checked for intestinal parasites, which are common in puppies and cause vomiting and diarrhea. ### Blood work Blood tests check for dehydration, infection, organ problems, and low blood sugar. They also help rule out serious illness. ### Imaging X-rays or ultrasound can find swallowed objects, blockages, or fluid in the abdomen. Ultrasound can also assess how well the stomach and intestines are moving [3]. ### Targeted testing If your vet suspects a specific infection or toxin, they may run additional tests. Treatment depends on what is found. Some puppies need fluids, anti-nausea medication, or surgery, while others need only supportive care at home. ## Prevention and Monitoring During Teething You cannot stop teething, but you can lower the odds of vomiting during this stage. ### Offer safe chew options Give puppy-specific chews that are too large to swallow and soft enough not to break into chunks. Supervise every chew session and take the chew away when it gets small. ### Puppy-proof the house Pick up socks, shoes, hair ties, plastic bags, and small toys. Block access to trash, recycling, and houseplants. Keep bathroom doors closed. ### Keep meals consistent Feed the same puppy food on a steady schedule. Introduce any new food slowly over several days, and limit rich treats. ### Stay on parasite prevention Follow your vet's deworming and prevention schedule. Intestinal parasites are a common and treatable cause of puppy vomiting. ### Keep vaccinations and checkups current Routine visits let your vet track growth and catch problems early. If your puppy vomits after a vaccine, tell your vet so they can note it and advise you [4]. ### Watch for subtle changes A puppy that is quieter than usual, eating less, or sleeping more may be telling you something. Vomiting is often the last sign to appear, not the first. ## Limitations and When to Contact a Veterinarian This article covers general information only. Every puppy is different, and individual cases need a veterinarian who can examine your dog. **Call an emergency clinic now if** your puppy is vomiting repeatedly, has a swollen or painful belly, has blood in the vomit or stool, is weak or collapsing, is having trouble breathing, or you suspect it ate a toy, medication, or toxin. **Call your vet the same day if** your puppy has vomited more than twice, has vomited for more than 24 hours, has diarrhea along with vomiting, is not eating, or seems painful or uncomfortable. **Schedule a routine visit if** your puppy has occasional mild spit-ups, has vomiting that comes and goes over weeks, or you want to review its diet and chew habits. ## Frequently Asked Questions ### Can teething make a puppy throw up? Teething does not directly cause vomiting. The gums and teeth are not connected to the stomach, so any vomiting during this stage usually points to something the puppy ate, an infection, or another medical problem. ### How long should I wait before calling the vet? Call the same day if your puppy vomits more than twice or if the vomiting lasts more than a day. Call immediately if you see blood, weakness, a swollen belly, or trouble breathing. ### What if my puppy vomits once and seems fine? One episode in a playful, alert puppy is often not serious. Watch closely for the next several hours, offer small amounts of water, and remove any chews or toys your puppy has been shredding. ### Should I stop feeding my puppy while it is vomiting? A short pause in food is reasonable for a bright, alert puppy, but do not withhold water. If vomiting continues or your puppy seems unwell, contact your vet before making any feeding changes. ### Can vomiting in a puppy be prevented? You can lower the risk by supervising chews, puppy-proofing your home, keeping meals consistent, and staying current on parasite prevention and checkups. Some causes of vomiting cannot be prevented, which is why early vet care matters. ## Related Articles - [Dog Vomiting: When Should You Worry?](/knowledge/veterinary-medicine/symptom-guides/dog-vomiting-when-to-worry) - [Dog Vomiting After Eating: Causes and When to Call the Vet](/knowledge/veterinary-medicine/digestive-and-urinary-care/dog-vomiting-after-eating-causes) - [Why Does My Dog Cough And Gag When Excited](/knowledge/veterinary-medicine/symptom-guides/why-does-my-dog-cough-and-gag-when-excited) - [Dog Vomiting Clear Liquid: Causes and When to Worry](/knowledge/veterinary-medicine/digestive-and-urinary-care/dog-vomiting-clear-liquid) - [Why Is My Dog Coughing And Gagging And Throwing Up White Foam](/knowledge/veterinary-medicine/symptom-guides/why-is-my-dog-coughing-and-gagging-and-throwing-up-white-foam) - [Why Is My Dog Suddenly Coughing And Gagging](/knowledge/veterinary-medicine/symptom-guides/why-is-my-dog-suddenly-coughing-and-gagging) - [Is It Normal for Puppies to Throw Up? When to Worry](/knowledge/veterinary-medicine/digestive-and-urinary-care/puppy-throwing-up-normal) - [Why Is My Puppy Being Sick? Causes of Vomiting in Puppies](/knowledge/veterinary-medicine/digestive-and-urinary-care/puppy-vomiting-causes) - [Puppy Teething and Diarrhea: Is It Connected?](/knowledge/veterinary-medicine/digestive-and-urinary-care/puppy-teething-diarrhea) ## References 1. [Dental Development of Dogs - Dog Owners](https://www.merckvetmanual.com/dog-owners/digestive-disorders-of-dogs/dental-development-of-dogs). Merck Veterinary Manual. 2. [Prevalence and significance of vomiting and regurgitation in dogs with tick paralysis caused by Ixodes holocylus](https://pubmed.ncbi.nlm.nih.gov/40910155/). Australian veterinary journal, 2025. 3. [Ultrasonographic evidence of gastrointestinal hypomotility in dogs with tick paralysis (Ixodes holocyclus): a prospective pilot study](https://pubmed.ncbi.nlm.nih.gov/42728796/). Australian veterinary journal, 2026. 4. [Transient marked reactive lymphocytosis in a puppy suspected to be secondary to recent vaccination](https://pubmed.ncbi.nlm.nih.gov/42287022/). The Journal of small animal practice, 2026. ## Further Reading - [Vomiting in Dogs - Dog Owners (Merck Veterinary Manual)](https://www.merckvetmanual.com/dog-owners/digestive-disorders-of-dogs/vomiting-in-dogs) - [Merck Veterinary Manual: Dog Owners](https://www.merckvetmanual.com/dog-owners) - [Cornell Richard P. Riney Canine Health Center: Canine Health Information](https://www.vet.cornell.edu/departments-centers-and-institutes/riney-canine-health-center/canine-health-information)