Why does my dog get car sick, and how can I help?

Short answer

Car sickness is common in dogs and usually comes from an underdeveloped sense of balance or from anxiety linked to the car. It's more common in puppies, who often outgrow it by around a year old; you can help most dogs by building up positive short trips and keeping the car cool and calm.

Sourced from veterinary authorities · not a diagnosis · anything risky goes to a vet.

Who this is for

Owners of puppies and dogs who drool, whine, or vomit during car rides.

When this doesn’t apply

Choosing or dosing anti-nausea or calming medication (only a vet can prescribe these)
Ongoing vomiting or off-balance episodes unrelated to travel, which need a vet
Diagnosing an inner-ear or vestibular problem

Step by step

Learn the signs so you can act early
Whining and pacing, excessive drooling, licking or smacking the lips, lethargy, vomiting, or defecating are signs of motion sickness. When you see them, it's a good moment to pull over safely for fresh air.
Understand why puppies are prone
Younger dogs' inner-ear balance structures aren't fully developed, so motion sickness is more common in puppies; most outgrow it by about one year of age.
Build up short, positive trips
Desensitize gradually: sit in a parked car with the dog, then another day back out of the driveway and return, then drive around the block, slowly increasing distance as they stay comfortable.
Set up the car to reduce nausea
Keep the car cool and quiet, secure your dog in a crate or safety harness so they can't be tossed around, and offer familiar comfort items. Cracking a window can help air circulate.
Time meals before travel
An empty stomach reduces nausea, so withholding food for a period before travel may help. Keep fresh water available. Ask your vet what timing suits your dog.
Ask your vet if trips stay hard
If gradual training isn't enough, your veterinarian can advise on anti-nausea medication or calming options. Do not give human medicines on your own; let the vet decide what and how much is safe.

What changes the answer

Your dog's age (puppies are more affected and often outgrow it)
Whether the problem is balance-based, anxiety-based, or both
How gradually you build up trips and how calm the car is
Whether an ear infection or other medical issue is involved

Common mistakes

Jumping straight to a long drive instead of building up short, positive trips
Giving human anti-nausea or motion-sickness pills without asking a vet
Feeding a big meal right before setting off
Letting the dog ride loose, which makes both balance and safety worse

Sources

Motion Sickness in Dogs — VCA Animal Hospitals · Tier 2 · verified 2026-07-20

Common questions

Will my puppy grow out of car sickness?

Often, yes. Motion sickness is more common in puppies because their inner-ear balance structures aren't fully developed, and many outgrow it by about a year old. Positive short trips in the meantime help.

Can I give my dog Dramamine or Gravol?

Don't give any human medication on your own. Several anti-nausea and calming options exist, but the right choice and amount depend on your dog, so ask your veterinarian first.

Should my dog travel on an empty stomach?

An empty stomach can reduce nausea, so withholding food for a period before travel may help. Keep water available and check timing with your vet, especially for young puppies.