Signs Your Dog Is Not Feeling Well

How to Know When Your Dog Isn't Feeling Well

Every dog has off days. But how do you know if your dog is just tired — or genuinely unwell? The difference often comes down to duration, combination of symptoms, and how well you know your dog's normal baseline. This guide covers the 13 most telling early signs that your dog isn't feeling well, so you can catch problems before they escalate.

1. Unusual Quietness or Low Energy

A dog that's normally bouncy and playful but suddenly wants to just lie around is worth watching. One low-energy day after heavy exercise is fine. Two or more days of unusual quietness — especially combined with other symptoms — is a signal to investigate.

2. Skipping Meals

Dogs are typically enthusiastic eaters. Skipping one meal occasionally isn't alarming, but refusing food for more than 24 hours — especially in a dog that's always food-motivated — often means something is wrong. Nausea, pain, fever, and dental issues are common causes.

3. Drinking More or Less Water Than Usual

Both extremes matter. Increased thirst can signal diabetes, kidney disease, or Cushing's syndrome. Decreased water intake combined with lethargy can indicate nausea or systemic illness. Know your dog's normal daily intake so you can spot changes.

4. Digestive Upset

Loose stool, vomiting, excessive gas, or a gurgling stomach are common early signs of illness. A single episode may resolve on its own. Repeated episodes, or any blood in vomit or stool, require veterinary attention. See our guides on how to treat dog diarrhea at home and how to treat dog vomiting at home.

5. Runny Nose or Eyes

Clear discharge from the nose or eyes can be normal in small amounts. Colored (yellow, green) or excessive discharge, especially combined with lethargy or fever, suggests infection. See our guide on how to treat dog eye infection at home.

6. Coughing or Sneezing More Than Usual

Occasional sneezing is normal. Persistent coughing — especially a dry, honking cough — can indicate kennel cough, allergies, or heart issues. A wet cough with mucus is more serious and warrants a vet visit.

7. Shaking or Trembling

Shivering when not cold, or trembling without an obvious cause, can indicate pain, nausea, fever, or anxiety. Check your dog's temperature if you notice unexplained shaking.

🌡️ Recommended Tool: iProven Dog & Cat Thermometer DTK-117Y — Fast 20-second rectal readings, flexible tip, waterproof. The quickest way to rule out fever at home.

8. Bad Breath or Drooling More Than Usual

Sudden bad breath (beyond normal dog breath) can indicate dental disease, kidney problems, or diabetes. Excessive drooling — especially if your dog doesn't normally drool — can signal nausea, mouth pain, or toxin ingestion.

9. Scratching, Licking, or Chewing Skin

Increased scratching, paw licking, or skin chewing often signals allergies, parasites, or a skin infection. If you notice redness, hair loss, or hot spots developing, see our guides on how to treat dog allergies at home and how to treat dog itchy skin at home.

10. Pale, Yellow, or Dull Gums

Healthy gums are pink and moist. Pale gums suggest anemia or shock; yellow gums indicate jaundice (liver issues); dry or tacky gums signal dehydration. Check gum color by lifting your dog's lip — it takes two seconds and can be lifesaving. See our full guide on what color should dog gums be.

11. Changes in Urination

Urinating more frequently, straining to urinate, blood in urine, or accidents in a house-trained dog are all signs something is wrong. Urinary tract infections, bladder stones, and kidney disease can all present this way.

12. Sensitivity to Touch

If your dog flinches, tenses, or pulls away when you touch a specific area, that area likely hurts. Do a gentle head-to-tail check: press lightly along the spine, abdomen, and limbs and watch for reactions. See our guide on signs your dog is in pain for a full assessment checklist.

13. Rapid or Labored Breathing at Rest

A resting dog should breathe 15–30 times per minute. Breathing faster than that — or with visible effort, flared nostrils, or an extended neck — is a warning sign. Combined with pale or blue gums, it's an emergency. Learn how to check your dog's breathing rate at home.

Quick At-Home Health Check

If your dog seems off, run through this quick checklist:

• ✅ Temperature: Normal is 101–102.5°F. Above 103°F = fever
• ✅ Gum color: Should be pink and moist
• ✅ Heart rate: 60–140 bpm depending on size
• ✅ Breathing rate: 15–30 breaths per minute at rest
• ✅ Appetite: Eating and drinking normally?
• ✅ Energy: Normal activity level?

📡 Recommended Tool: Tractive Smart Dog GPS Tracker — Monitors heart rate, respiratory rate, and activity 24/7. Ideal for senior dogs or dogs with ongoing health concerns.

When to Call the Vet

Call your vet if your dog:

• Refuses food for more than 24 hours
• Has a fever above 103°F
• Is vomiting or has diarrhea more than twice
• Has pale, blue, or yellow gums
• Is breathing rapidly or with difficulty at rest
• Shows sudden behavioral changes or aggression

For minor issues, having a first aid kit at home helps you manage symptoms while you wait for a vet appointment.

🧰 Recommended Tool: EVERLIT Pet Medic First Aid Kit (95 Pcs) — 95 vet-approved supplies in a compact travel bag. Essential for every dog owner.

Final Thoughts

The earlier you catch that your dog isn't feeling well, the better the outcome. Trust your gut — you know your dog. When in doubt, a quick call to your vet is always worth it. Explore our full dog health series for step-by-step guides on the most common conditions.