10 Symptoms in Dogs You Should Never Ignore

Does your dog need an emergency vet right now?

If none of those signs is present, use the table to decide your next step. A dog who can still walk or wag their tail may still be seriously ill. You do not need every sign in a row to seek help.

These are warning signs, not diagnoses, and this list cannot cover every emergency. Suspected poisoning or serious injury needs immediate advice even before symptoms appear. If you are unsure where to go, review when to choose an emergency vet instead of your regular vet, or call the nearest emergency clinic and describe what you see.

Is trouble breathing or collapse an emergency in dogs?

1. Difficulty breathing. Watch for a belly that pushes hard with each breath, gasping, a stretched-out neck, or unusual breathing noise. Your dog may stand with their elbows held away from the chest or refuse to lie down. Pale or blue-gray gums are especially concerning, but normal-looking gums do not rule out an emergency.

Panting after exercise or excitement should ease as your dog rests somewhere cool. Persistent panting at rest, especially with visible effort, agitation, or weakness, needs urgent attention. Do not assume it is anxiety because your dog is newly adopted or nervous around you.

Do not delay leaving to count breaths or inspect gums. If breathing looks difficult, the observation itself is enough to act. Keep the car cool and quiet, let your dog stay in the position that makes breathing easiest, and avoid pressure on the neck or chest.

2. Collapse or sudden inability to stand. A dog who drops to the ground, faints, or suddenly cannot support their weight needs emergency care. Go even if they get up and seem normal a minute later. A short episode can still signal a serious problem that is not visible at home.

Tell the clinic whether your dog lost awareness, stayed responsive, had stiff or paddling legs, or seemed weak afterward. You do not have to decide whether it was fainting, a seizure, or something else before asking for help. Describe the event in ordinary words.

• Minimize walking and handling. Ask another person to help move a large dog if available.
• Do not muzzle a dog who is struggling to breathe or vomiting.
• Keep your face away from the mouth. Fear and pain can cause an unfamiliar bite.
• Tell the clinic immediately on arrival that your dog has breathing trouble or collapsed.

The VCA guide to emergencies in dogs identifies breathing difficulty and collapse as signs requiring urgent veterinary attention. Waiting to see whether they happen again is not a safe home test.

When does a dog seizure need emergency care?

3. A seizure. A seizure may involve falling over, stiffening, paddling the legs, drooling, or losing awareness. Some episodes are less obvious, such as repeated facial twitching or unusual movements with altered awareness. Trembling alone does not prove a seizure, so describe what happened rather than trying to label it.

A seizure reaching five minutes is an emergency. Repeated seizures in a short period, including more than one within 24 hours, also need immediate veterinary guidance and emergency assessment. Do not wait for another episode if your dog fails to recover between them.

Start a timer as soon as you notice the episode. What feels like several minutes can be much shorter, and an accurate duration helps the clinic assess urgency. If the seizure is continuing, call the emergency clinic for instructions and arrange transport rather than waiting until the five-minute mark to start planning.

1. Move nearby furniture or hard objects away if you can do so safely.
2. Keep your dog away from stairs and water without pinning them down.
3. Keep hands and objects out of the mouth. Dogs do not swallow their tongues during a seizure.
4. Reduce noise and bright light while your dog recovers.
5. Record a short video only if someone can do it safely without delaying help.

A first brief seizure still needs an immediate veterinary call, even if your dog seems recovered. Confusion or pacing can happen afterward, but you should not assume prolonged confusion, breathing trouble, or continued inability to stand is harmless. Keep children and other animals away during recovery.

If your dog already has a seizure plan, follow the veterinarian's instructions and report changes in episode frequency or recovery. Do not change medication on your own. VCA's seizure guidance explains why prolonged or clustered seizures require emergency treatment.

Why is your dog dry heaving with a swollen belly?

4. Repeated attempts to vomit without bringing anything up. Dry heaving, especially with a swollen or painful belly, can signal bloat or a twisted stomach. You may also notice heavy drooling, repeated pacing, looking toward the belly, or weakness. Treat this combination as an emergency.

Bloat means the stomach becomes enlarged with gas, fluid, or food. In gastric dilatation-volvulus, often shortened to GDV, the stomach also twists. That can interfere with blood flow and quickly become life-threatening. You cannot tell at home whether the stomach has twisted.

Do not wait for a dramatically swollen belly. Enlargement may be difficult to see, especially under a thick coat or in a deep chest. Repeated unproductive retching with distress is enough to leave for care.

Large, deep-chested dogs have greater risk, but any dog can be affected. A small dog or a dog with no known history of bloat is not automatically safe. The VCA explanation of bloat and stomach twisting describes this as an emergency that needs immediate treatment.

• Call the emergency clinic while arranging transport and say, “My dog is repeatedly trying to vomit but nothing is coming up.”
• Do not feed your dog or encourage drinking while you are heading in.
• Do not try to induce vomiting or give a home remedy for gas.
• Do not press or massage the belly to try to release trapped gas.

People sometimes describe coughing or gagging as dry heaving. If you cannot tell which is happening, a brief video may help the clinic, but do not delay departure for a recording when your dog is distressed. Breathing trouble, weakness, or a painful belly makes the situation urgent regardless of the label.

When are vomiting and diarrhea dangerous in dogs?

5. Repeated vomiting or inability to keep water down. One vomit in an otherwise alert adult dog may allow close observation after veterinary advice. Repeated episodes, vomiting after drinking, or vomiting with belly pain needs a prompt call. Do not wait until tomorrow if your dog is becoming weak or cannot keep water down.

Go to emergency care for repeated vomiting with severe pain, collapse, substantial blood, or marked weakness. Possible exposure to poison or a swallowed object also changes the urgency. A dog who chewed up a toy and is now vomiting needs assessment, not a trial of stomach remedies.

6. Severe diarrhea, bloody stool, or black tar-like stool. Frequent watery diarrhea can lead to fluid loss, particularly in puppies and small or medically fragile dogs. Fresh red blood deserves a prompt veterinary call, even when the amount looks small. Black, sticky, tar-like stool can indicate digested blood and also needs prompt assessment.

Heavy bleeding, severe belly pain, pale gums, collapse, or marked weakness means emergency care now. A small streak of blood in a dog who otherwise seems well does not always mean an emergency visit, but the clinic should help you decide how soon an examination is needed.

• Note how many episodes occurred and when they started.
• Take a photo or bring a fresh stool sample if practical, without delaying care.
• Do not force water or syringe fluids into your dog's mouth.
• Do not give human stomach medicines or apply a blanket fasting rule, especially to puppies or dogs with medical conditions.

Ask the clinic what to offer while waiting. Tell them about new food, scavenging, medication, and access to human foods that can be dangerous for dogs. A food change may explain a mild upset, but it should not be used to dismiss repeated vomiting, bleeding, or weakness.

Which peeing and drinking changes need a vet?

7. Straining to urinate with little or no urine. Repeated squatting or leg lifting without a normal stream is an emergency in either sex. Your dog may cry, lick the genital area, pace, or keep asking to go outside. Producing a few drops does not rule out a blockage.

Do not wait for your dog to become weak or start vomiting. A dog who cannot empty their bladder needs urgent assessment even if they are still walking around. Never press on the belly to try to help urine come out.

Straining to poop and straining to pee can look similar. If you are unsure, take a quick look at what your dog actually passes and tell the clinic exactly what you observed. Do not spend hours taking repeated walks to figure it out.

8. A marked increase in thirst or urination. Repeatedly emptying the water bowl, producing much larger puddles, or having new overnight accidents deserves a prompt appointment. Drinking more after a hot walk is different from a sustained change during ordinary days. Call when you notice the pattern rather than waiting for a routine checkup.

If practical, measure how much water you put down and what remains over 24 hours. Include refills and mention shared bowls, wet food, hotter weather, or new medication. You do not need a perfect measurement before making the appointment.

• Keep fresh water freely available. Never restrict water to prevent accidents.
• Offer extra bathroom breaks and avoid punishment for new accidents.
• Tell the clinic whether urine amounts are larger or whether your dog makes frequent attempts with only small amounts.
• Seek emergency care if the change comes with severe weakness, repeated vomiting, collapse, or reduced responsiveness.

These signs can have several causes, and urine or blood testing may be needed. If you have not established care since adoption, find a veterinarian near you and describe the change when booking so the clinic can set the right timing.

What signs of pain in dogs should you never ignore?

9. Sudden or severe pain. Crying out, guarding the belly, refusing to put weight on a leg, or repeatedly changing position without getting comfortable can all signal pain. A tightly closed eye, sudden cloudiness, or pawing at the face also needs attention. Pain does not have to be loud to be serious.

Some dogs become unusually quiet, hide, stop moving, or snap when touched. A new adopter may mistake this for fear or a behavior problem. Learning to read your dog's body language can help you notice changes, but it cannot rule out illness or injury.

Severe, unrelenting pain, major injury, or sudden inability to use the legs means emergency care. Go after a serious fall or vehicle strike even if there is little visible damage. Internal injury may not be obvious from the outside.

A painful eye or a new limp where your dog will not bear weight needs a same-day examination. Eye problems can worsen quickly, so do not wait several days to see whether squinting clears up. Call an emergency clinic if your regular vet cannot see your dog within the advised timeframe.

• Limit movement and keep your dog away from stairs and jumping.
• Do not repeatedly bend a sore leg or press a painful belly to locate the problem.
• Prevent rubbing of an injured eye if you can do so safely, without pressing on it.
• Ask the clinic how to move your dog if lifting causes pain.

Do not give ibuprofen, naproxen, acetaminophen, or other human pain relievers unless a veterinarian specifically directs you. Leftover pet prescriptions may also be unsafe for the current problem. Supplements are not a substitute for an examination, and apparent improvement after medication would not establish that an injury is minor.

When should you worry about not eating or extreme tiredness?

10. A major drop in appetite or energy. Skipping one meal while remaining alert and comfortable is different from refusing food while barely moving. Look at the whole dog: willingness to get up, interest in familiar activities, drinking, and bathroom habits. Eating a treat does not automatically rule out illness.

Contact your vet if an adult dog has eaten nothing for about 24 hours. Call sooner for puppies, dogs with diabetes or other relevant medical conditions, or any dog with vomiting, pain, diarrhea, or unusual weakness. Ask promptly about medication instructions if your dog is not eating; do not adjust prescribed treatment on your own.

Difficulty waking, reduced responsiveness, or severe weakness requires emergency care. Do not test a very weak dog with a walk or keep offering different foods to see whether one works. Trouble breathing, collapse, or a painful belly takes priority over the appetite question.

A newly adopted dog may eat less because the surroundings, routine, or food changed. You can learn more about why a newly adopted dog may not eat at first, but stress should not be the default explanation for a dog who seems ill. The Merck Veterinary Manual's guidance on when to see a veterinarian includes failure to eat or drink for 24 hours and extreme lethargy among signs needing veterinary attention.

Keep a simple record of meals offered and eaten, water intake, urine, stool, vomiting, and activity. Ask the shelter or rescue what was normal before adoption and whether any symptoms or medications were recorded. This gives the clinic a more useful picture than “not acting right” alone.

Rest is part of what adjustment can look like after adoption. A dog who wakes easily and takes a comfortable bathroom walk is different from one who struggles to rise or seems unaware of you. If that distinction is unclear, call and describe the behavior.

What should you do before heading to the vet?

Call the clinic and lead with the most serious sign: “My dog is struggling to breathe” is more useful than starting with adoption history. Say when it began, how often it has happened, and whether your dog can stand and respond normally. Ask where to enter and whether staff can help you move your dog.

1. Leave promptly for emergencies. A second person can call while you travel, or you can use hands-free calling if safe.
2. Bring medication names, containers, and shelter records if they are easy to grab. A phone photo of a label is useful.
3. Bring suspected toxin packaging or a photo of the substance. Do not delay departure to search for it.
4. Keep a painful dog as still as practical. For a large dog, a blanket may help as a stretcher with enough helpers, but avoid pressure on the chest and abdomen.
5. Bring photos or video of brief symptoms and note the last meal, urination, and bowel movement.

For possible poisoning, call your veterinarian or ASPCA Animal Poison Control at 888-426-4435. It is available 24 hours a day, and a consultation fee may apply. Do not induce vomiting or give food, milk, oil, or home remedies unless a veterinarian or poison-control professional tells you to.

The AVMA's pet first-aid guidance emphasizes safe handling and getting professional help. For nonemergency follow-up, this checklist of what to bring to your new dog's first vet visit can help you organize records.

If money is tight, say so right away. Ask for an estimate, which steps are most urgent to stabilize your dog, and what payment or assistance options are available. Options vary, and calling multiple clinics for prices must not delay emergency treatment.

For future planning: You can plan for future vet bills with insurance and emergency savings. New coverage generally will not pay for symptoms that have already started, and waiting periods and exclusions apply. Check what pet insurance generally covers and excludes before buying, but never delay today's care to shop for a policy.