Hardware FixRecommendedDevice not working? Your driver may be the problemCheck updates for common hardware issues.Fix DriversOctober DealsAmazon USOctober deal check: compare before you payAmazon US: current deals, useful picks and tech finds.Check DealsClean PCRecommendedOne scan can reveal what keeps slowing WindowsLook for cleanup and repair opportunities.Run Scan×
Skip to content
Entry 513Filed under Breeding

Sudden Cat Drooling: Possible Causes and When to Call a Vet

A sudden change in your cat’s drooling can have several causes. Learn what signs need urgent veterinary attention and how to respond safely.
4-minute read By Animalso Team
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

A cat that suddenly starts drooling may have mouth or dental pain, nausea, something lodged in the mouth, toxin exposure, difficulty swallowing, seizure activity, or heat illness. Drooling by itself cannot tell you which cause is responsible. Contact a veterinarian for a sudden or ongoing change; seek emergency help for possible poisoning, heatstroke signs, trouble breathing, collapse, or severe weakness. Do not induce vomiting or give a home antidote unless a veterinary professional tells you to.

Is sudden drooling normal in cats?

Some cats drool a little when they are relaxed. A new increase or a sudden change in a cat’s usual drooling is different: it can signal an underlying problem. PDSA identifies dental disease, mouth pain, nausea, and poisoning among possible causes of excessive or newly changed drooling (PDSA guidance on drooling in cats, published October 2023).

As an Amazon Associate I earn from qualifying purchases.

Notice when it began and whether anything else has changed, but do not use drool alone to diagnose your cat. The clues below can help you describe the situation to a veterinarian; they cannot confirm the cause at home.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

What can make a cat start drooling suddenly?

Dental disease or other mouth pain

Dental disease is a common reason for drooling. Bad breath, discomfort while eating, or difficulty grooming can occur alongside it. Mouth ulcers and other painful problems affecting the mouth may also cause excess saliva. A cat may hide signs of pain, so apparently normal behavior does not rule out an oral problem.

#1 Best Overall
24-in-1 Dog Vitamins and Supplements 200 Ct Dogs Multivitamin Chewable Contain Chondroitin Probiotics Omega-3 Glucosamine for Dogs Skin Coat Heart Joint Gut Liver Brain Eyes Immune Support - Chicken
  • Dog multivitamins chewable for skin & coat : Dog multivitamin is rich in Omega-3 fatty acids and vitamin E,which can relieve skin allergies,dryness,itching and other problems.Multivitamin for dogs nourishes skin follicles.Long-term consumption of dog vitamins multivitamin can make dog hair stronger and smoother,and reduce coat loss.The COQ10 in dog multivitamin chewable can resist oxidation and delay cell aging.Dogs with skin injuries can eat dog vitamins and supplements to promote wound healing
  • Dog multivitamin relieves joint inflammation: Dog vitamins for hip and joint can supplement high-quality MSM, glucosamine, and chondroitin sulfate to promote cartilage development and repair. Long-term consumption of dog multivitamins chewable can enhance the elasticity and toughness of joint cartilage, improve joint flexibility, and move more freely. Dog multivitamin chews can reduce joint friction and relieve joint pain. Dog vitamins and supplements can prevent and improve dog joint problems
  • Dog multivitamin chews are good for the gut: Vet-endorsed formula dog vitamins and supplements made from natural ingredients.Dog vitamins multivitamin chewables contain a rich blend of probiotics to support intestinal and digestive health.Dog vitamins for small dogs can regulate the balance of intestinal flora,help calcium absorption,and promote bone development.Dog multivitamins chewables improve energy metabolism,converting food into energy, making dogs more energetic in their daily activities
  • Dog multivitamin chews protect overall health:Senior dog vitamins and supplements help improve blood circulation and prevent cardiovascular disease.Dog multivitamins chewable support normal liver function,promote liver detoxification,and improve negative mood.For dog with heart problems and older dog,taking dog vitamins and supplements in moderation is an auxiliary health care measure.Dog vitamins multivitamin helps enhance white blood cell activity,improve immunity,prevent infection and disease
  • Dog multivitamins chewable promote brain development: The DHA in krill oil in multivitamin for dogs is an important component of the brain and retina. Dog vitamins and supplements can improve dog cognitive ability. When training puppies to learn basic commands, puppies who are properly supplemented with dog vitamins multivitamin will behave more intelligently and improve memory.Dog supplements & vitamins can prevent and relieve eye problems such as dry eyes and tear stains, and keep eyes healthy

An object lodged in the mouth

A foreign object can cause heavy drooling, pawing at the mouth, or visible distress. A painful or frightened cat may bite; do not reach into its mouth or try to pull out an object. Contact a veterinarian for advice and examination.

Nausea or stomach upset

Lip licking and drooling can accompany nausea. Vomiting or reduced appetite may also occur with stomach upset, but those signs do not identify its underlying cause. Tell the veterinarian when the drooling started and whether your cat has vomited or eaten less than usual.

Rank #2
Zesty Paws Dog Vitamins - Dog Multivitamin Chews, Chicken, 90 Ct
  • 8-in-1 Formula - Zesty Paws Multifunctional Bites are functional supplement chews with premium ingredients that support physical performance, antioxidants, hip & joint, heart, immune, skin, liver, & gut health for dogs of all ages, breeds, and sizes.
  • Skin Health & Antioxidants – For animals with sensitive skin, this formula contains Cod Liver Fish Oil and Vitamin E to help maintain normal moisture and CoQ10 to help reduce oxidative stress.
  • Hip, Joint & Performance Support - Each dog chew features OptiMSM, a premium form of MSM for muscular support, which works synergistically with the Glucosamine HCl and Chondroitin Sulfate in these chews for hip and joint support plus Cod Liver Oil and B-Complex Vitamins support normal physical performance.
  • Gut Health & Probiotics - These chews also contain a six-strain Gut Health Blend (500 million cfu per chew) and a Digestive Health Blend to promote gut flora while supporting normal bowel function for dogs.
  • Heart, Liver & Immune Health - Multifunctional Bites feature powerful antioxidants, premium CoQ10, Cod Liver Oil and Vitamins A, C, & E to promote healthy cardiovascular function, support liver health and enhance immune response.

Poison or irritating substance exposure

Plants, chemicals, and medications can be dangerous to cats. Cornell Feline Health Center lists drooling among possible poisoning signs, along with sluggishness, unsteady gait, heavy breathing, diarrhea, seizures, and sudden vomiting. Suspected exposure needs immediate professional advice; do not wait for additional symptoms (Cornell Feline Health Center poisoning guidance).

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Difficulty swallowing

Saliva can build up if a cat is struggling to swallow. This needs veterinary assessment rather than an assumption that the drooling is harmless.

Rank #3
Dog Vitamins and Supplements 250 Chews - 26 in 1 Dog Multivitamin Soft Chews with Glucosamine, Chondroitin, Probiotics, Omega 3 - Hip & Joint, Skin & Coat, Immune Support - Chicken Flavor
  • COMPLETE 26-IN-1 DAILY WELLNESS FORMULA: Our advanced multivitamin for dogs is formulated to help support 26 vital nutritional areas as part of a daily routine. With essential vitamins A, C, D3, and E, these gummies help support the immune system and contribute to overall heart and brain health for dogs of all sizes.
  • ADVANCED HIP AND JOINT MOBILITY SUPPORT: Formulated with Glucosamine HCl, Chondroitin, and MSM to help support cartilage health, joint flexibility, and everyday mobility — making them a great daily supplement for large breed dogs and active senior dogs.
  • SKIN & COAT SUPPORT: Packed with Norwegian Salmon Oil and Biotin, our dog multivitamin helps nourish skin from within and supports a soft, glossy coat. Omega 3 fatty acids contribute to healthy skin and coat as part of a complete daily nutritional routine.
  • PROBIOTICS & DIGESTIVE SUPPORT: Features a Six-Probiotic Blend (500 Million CFU) and Digestive Enzymes to help support gut health, smooth digestion, and nutrient absorption. Cranberry Powder is included as part of this comprehensive daily wellness formula.
  • UNBEATABLE VALUE 250 COUNT JAR: Our 250-count jar provides lasting daily support in a delicious chicken flavor. Made in the USA in a GMP-certified facility, our soft chews are grain-free and suitable for puppies, adult, and senior dogs alike.

Seizure activity

Drooling may occur before, during, or after a seizure. Seizure activity or other neurological signs warrant urgent veterinary attention.

Heat illness

Heavy panting, thick or excessive drool, weakness, or lethargy after heat exposure can indicate heatstroke, a medical emergency. Move your cat to a cool environment and contact a veterinary hospital promptly. The RECOVER Initiative’s 2026 first-aid guidance for dogs and cats recommends moving an affected animal to a cool environment; follow veterinary direction for further first aid (RECOVER Initiative clinical guidelines).

Rank #4
Nutramax Cosequin Joint Supplement for Dogs, Chewable Tablets, 132ct
  • Joint Health Supplement for Dogs: Cosequin is the #1 vet recommended retail joint health supplement brand, supporting joint health in dogs for over 25 years
  • Contains Glucosamine for Dogs: Cosequin contains glucosamine hydrochloride (FCHG49) and sodium chondroitin sulfate (TRH122), plus methylsulfonylmethane (MSM). This unique combination of ingredients supports healthy joints
  • For Any Breed or Size: Whether you have a young or senior dog, a small or large breed, Cosequin helps support their joint health
  • Tasty Chews for Daily Use: Cosequin comes in a tasty chewable tablet, making daily administration easy and convenient
  • Exceptional Quality: Cosequin is backed by science, undergoing thorough quality inspections to ensure your dog receives a safe, high-quality product. It is manufactured in the United States with globally sourced ingredients
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

When is sudden drooling an emergency?

Call an emergency veterinary service now if your cat may have contacted or swallowed a toxin, has signs of heatstroke, is having difficulty breathing, collapses, or becomes severely weak or shows serious neurological signs. Call while arranging transport so the clinic can advise you.

Free tools Windows power users keep installed

One-click scans. No signup required.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Contact a veterinarian promptly for a sudden or continuous increase in drooling, apparent mouth pain or distress, vomiting, diarrhea, lethargy, or reduced appetite. If you are unsure how urgent the signs are, call a veterinary clinic rather than waiting to see whether they pass.

Best Value
Omega 3 for Dogs - Fish Oil for Skin & Coat Health, Itch & Allergy Support
  • Itch & Allergy Relief with Omega-3 for Dogs - with 500mg of Omega (EPA+DHA) per serving, our chewable supplement helps with hot spots, dry itchy skin, ease itching, irritated skin, stops shedding.
  • Skin & Coat + Hip & Joint Supplement Combined - Omega 3 is a vital element to keep your pet active, support healthy hip and joints, brain, heart, immune health. Can be served with regular pet food.
  • Bark&Spark Commitment - we are keen to give best to our furry customers and we take NO compromise when it comes to product quality. Our omega 3 bites are made in the USA, with human grade ingredients.
  • Up to 3 Month Supply - with 180 salmon oil treats per jar you keep your pet healthy while not spending a fortune on overpriced supplements. Best value.
  • Is Your Dog a Picky Eater? We stick to simple formulas rich in natural flavors, that could tempt a fussy eater. No hassle with pills, powder, tablets or capsules.

What should you do while arranging veterinary care?

  1. For suspected poisoning: If it is safe, move your cat away from the suspected substance. Keep the packaging or take a clear photo of its label, and note when exposure may have happened. Call your veterinarian, an emergency clinic, or a poison-control service. Pet Poison Helpline provides emergency instructions for pet poisoning; Cornell also advises contacting a veterinarian immediately or calling the ASPCA Animal Poison Control Center. Phone numbers and service fees can change, so confirm contact details directly with the service.
  2. Do not give an unapproved treatment: Do not induce vomiting or give a home antidote unless a veterinarian or poison-control professional specifically directs you to do so. The wrong intervention can put your cat at further risk.
  3. For possible heatstroke: Move your cat to a cool environment and contact a veterinary hospital promptly. AAHA’s heatstroke guidance describes the signs and need for action; seek veterinary direction rather than relying on a home treatment plan.
  4. For any sudden change: Note when drooling began, what other signs you have seen, and any relevant exposure or recent change. This information can help the veterinarian assess the problem.

How might a veterinarian investigate the cause?

The veterinarian may ask about your cat’s normal drooling habits, medical history, and other symptoms, then examine its mouth. Depending on what the history and examination show, further investigation such as blood tests may be appropriate. Treatment depends on the cause: a dental problem may need dental treatment, while nausea may call for investigation of the condition behind it. Veterinary examination is needed to determine the right next step (PDSA; see also VCA guidance on emergencies in cats).

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Leave a Reply

Your email address will not be published. Required fields are marked *

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

More from Field Notes

  1. Entry 01Disaster Preparedness for Pets: What to Plan and PackBreeding6 min
  2. Entry 02Holiday Pet Safety Tips: How to Keep Dogs and Cats Safe Through the HolidaysBreeding7 min
  3. Entry 03What to Buy for a New Rescue Dog: A First-Week Essentials GuideBreeding3 min
Recommended PC Tool
Recommended PC Tool
PC Slower Than It Used to Be?Free scan - under a minute
Crashes, No Sound, or Screen Glitches?Free driver scan

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.