Why Do Dogs Lick the Air? Surprising Reasons Behind This Odd Behavior

Nov 26

If you’ve ever caught your dog suddenly licking the air—tongue out, licking at absolutely nothing—you’re definitely not alone. It looks funny, kind of random, and sometimes downright confusing. But here’s the good news: air-licking is actually a well-studied canine behavior, and in most cases, it’s completely normal.

Still, understanding why it happens can help you spot early signs of discomfort, stress, or even simple excitement. Let’s break it down in a way that actually makes sense.

What Air-Licking Usually Means

1. They’re Smelling Something Interesting

Dogs don’t just sniff—they taste scents.
Thanks to the Jacobson’s organ in the roof of their mouth, dogs may lick the air when they're trying to analyze a new smell.

2. They’re Feeling Stressed

Air-licking can be part of a dog’s calming signals.
Your pup may do it if something feels new, loud, or overwhelming.

3. They Want Attention

If licking the air gets your dog a reaction—eye contact, petting, or even laughter—they may repeat it.

4. They Just Ate Something Tasty

Food smells or crumbs left around the mouth can trigger cute, harmless air-licks.

When Air-Licking Might Be a Red Flag

1. Nausea

Dogs often lick the air when they feel queasy.

2. Dental Pain

Tooth discomfort, gum issues, or a stuck object can cause this behavior.

3. Allergies

Mouth and face irritation from environmental or food allergies may lead to air-licking.

4. Compulsive Behavior

If the licking is constant or repetitive, it may be stress-related and worth monitoring.

How to Help Your Dog

Check for new smells, changes, or stressors.
Give your dog a walk, sniff session, or safe chew to redirect the behavior.
Look for mouth redness or swelling if they allow it.
Track whether the licking happens before/after meals or randomly.

Final Thoughts

Air-licking is usually harmless and often tied to curiosity, stress, or leftover food smells. But if it becomes excessive, it may be your dog’s way of saying something isn’t quite right.

Disclaimer

This is not professional advice. Always consult a veterinarian if you have concerns about your pet’s health.

Nisa Okten