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Dog Drooling Excessively: Causes and Next Steps

NYP TeleVet Team
August 17, 2026
Dog Drooling Excessively: Causes and Next Steps

Some dogs drool constantly, especially breeds with loose lips like Saint Bernards and Bloodhounds. But if your dog is drooling a lot more than usual, or suddenly starts drooling, it can be a sign that something is wrong. Here is how to tell the difference.

Normal drooling

French bulldog with smiling vet – dog drooling a lot

Common causes of excessive drooling

Emergency signs

Go to an emergency vet if drooling comes with:

If you suspect poisoning, call an animal poison control center or emergency vet right away.

What you can check at home

If your dog is calm and it is safe, look in the mouth with a flashlight for:

Do not put your fingers deep in the mouth if your dog seems painful or might bite.

When to call a vet

Book a vet visit if drooling is new, lasts more than a day, or comes with bad breath, eating less, vomiting or lethargy. Also check in if drooling is only on one side of the mouth, if the drool is bloody or if your dog seems to have trouble swallowing.

Beagle vet examination stethoscope – dog drooling a lot

How an online vet can help

A short video of your dog drooling, along with a photo of the gums and teeth, can help a vet judge whether this looks like nausea, a mouth problem or something urgent. See how to take photos and videos for a telehealth vet.

What the vet may do

Your vet will examine the mouth and may recommend dental X-rays, blood work or other tests depending on the cause.

Frequently asked questions

Why is my dog drooling and shaking?

This can mean nausea, pain, fear or toxin exposure. If it is sudden or severe, call a vet right away.

Can anxiety cause drooling?

Yes. Some dogs drool when stressed, such as during car rides, storms or vet visits.

Is your dog suddenly drooling more? Ask a vet

Talk to a licensed vet 24/7, even on holidays, by chat, voice call or video call. Your first month is free with code FREEMONTH, then US $9.99/month, at nyptelevet.com/. One membership covers up to 6 pets, and you can cancel anytime.

Our vets can’t prescribe medication, but they’ll tell you what’s likely needed and when an in-person visit is the next step.

Sources

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