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articleall4/15/20267 min read

When Should You Go to the Emergency Vet? A Triage Guide for Pet Parents

By RexVet Team | Reviewed by Dr. Tiffany Delacruz, DVM

When Should You Go to the Emergency Vet? A Triage Guide for Pet Parents
Concerned pet parent with dog considering emergency vet visit

The 2am Question Every Pet Parent Dreads

Your dog just vomited twice. Your cat is limping. Your pet ate something they definitely should not have. It is late at night, and you are staring at your phone wondering: do I need to go to the emergency vet right now, or can this wait until morning?

This is not a trivial decision. An emergency vet visit at 2am typically costs $300-$500 just for the exam — with total bills frequently reaching $1,000-$5,000+ depending on the diagnosis and treatment. But delaying genuine emergencies can have devastating consequences.

This guide will help you tell the difference between situations that require immediate emergency care and those that can be safely managed at home or with an affordable online vet consultation.

Go to the Emergency Vet Immediately If You See These Signs

These symptoms indicate a potentially life-threatening situation. Do not wait, do not call first, do not pass go — drive to the nearest emergency veterinary hospital now:

  • Difficulty breathing — gasping, blue or pale gums, extended neck, open-mouth breathing in cats, or any sign your pet cannot get enough air. This is always the number one emergency.
  • Uncontrolled bleeding — bleeding that does not stop with firm pressure applied for five continuous minutes. Internal bleeding signs include pale gums, weakness, and distended abdomen.
  • Seizures — especially if lasting more than two minutes, if your pet has never had a seizure before, or if multiple seizures occur in a row (status epilepticus). A single brief seizure in a known epileptic dog may not require an ER visit, but contact your vet.
  • Inability to urinate — especially in male cats. A common pet conditions straining with no urine output can develop fatal kidney failure within 24-48 hours. This is one of the most time-sensitive emergencies in veterinary medicine.
  • Suspected poisoning with active symptoms — vomiting, tremors, seizures, drooling, or collapse after ingesting chocolate, xylitol, grapes, rat poison, antifreeze, medications, or any known toxin.
  • Trauma — hit by a car, severe fall from height, dog attack with deep puncture wounds, or any significant physical injury even if your pet seems okay (internal injuries may not be immediately apparent).
  • Bloated, distended abdomen with distress — especially in large and deep-chested breeds (Great Danes, German Shepherds, Standard Poodles). Gastric dilatation-volvulus (GDV/bloat) is fatal without emergency surgery, often within hours.
  • Collapse or sudden inability to stand — sudden weakness, inability to walk, dragging hind legs, or total collapse. This can indicate internal bleeding, heart failure, spinal injury, or toxicity.
  • Extreme, unrelenting pain — crying out continuously, inability to find a comfortable position, aggression when touched by a normally gentle pet.
  • Loss of consciousness — unresponsive, not waking up, or only briefly responsive before losing consciousness again.

Emergency vs Non-Emergency Quick Reference

SymptomEmergency ER?Online Vet OK?Estimated ER CostOnline Vet Cost
Difficulty breathingYES — GO NOWNo$500–$3,000+
Cat straining, no urineYES — GO NOWNo$1,500–$3,500
Vomiting (1-2 episodes)Likely notYes — $64.99$300–$500$64.99
Limping (weight-bearing)Likely notYes — $64.99$250–$600$64.99
Ear infectionNoYes — $64.99$200–$400$64.99
Skin rash / itchingNoYes — $64.99$150–$300$64.99
Hit by carYES — GO NOWNo$1,000–$5,000+
Not eating (less than 24hrs)Usually notYes — $64.99$200–$500$64.99
Dog resting at home being monitored by pet parent

Talk to an Online Vet First If You See These Signs

These situations can often be assessed and managed through a video consultation, potentially saving you hundreds of dollars and a stressful ER trip:

  • Vomiting (1-2 episodes) — a single episode of vomiting in an otherwise alert, active pet who is still willing to drink water is rarely an emergency. Your vet can assess whether it is likely dietary indiscretion, minor gastritis, or something requiring further investigation.
  • Mild diarrhea — no blood, your pet is still eating and drinking, and there are no other concerning symptoms. Often manageable with dietary changes and monitoring.
  • Limping without obvious fracture — if your pet is bearing some weight on the affected leg, there is no visible bone or severe swelling, and they are otherwise comfortable. Soft tissue injuries, minor sprains, and arthritis flares are common causes.
  • Eye irritation — redness, squinting, or discharge without visible trauma to the eye itself. Many eye conditions are treatable with prescribed eye drops.
  • Mild allergic reaction — facial swelling or hives without any difficulty breathing. Allergic skin reactions are common and often respond quickly to antihistamines.
  • Sudden skin issues — hot spots, rashes, or excessive itching that developed suddenly. Uncomfortable but not life-threatening.
  • Ear problems — head shaking, odor, discharge. Ear infections are painful but not emergencies unless your pet is in severe distress or the ear is severely swollen.
  • Not eating for less than 24 hours (dogs) — a healthy dog skipping one meal is rarely concerning. Cats are different — a cat not eating for more than 24 hours, especially an overweight cat, should be seen promptly due to hepatic lipidosis risk.
  • Minor wounds — small cuts, scrapes, or abrasions without deep tissue involvement or heavy bleeding.
  • Behavioral changesanxiety, unusual lethargy, or personality changes that have developed over days or weeks rather than suddenly.

The Gray Area: When You Genuinely Cannot Tell

Many real-world situations fall somewhere between the obvious emergency list and the clearly-can-wait list. Your dog ate half a sock three hours ago and seems fine. Your cat vomited once and is now hiding, but she sometimes hides anyway. Your old dog is breathing faster than usual but is not gasping.

This gray area is exactly where an online vet provides the most value. For $64.99 — available 24/7, including at 2am on a Saturday — a RexVet veterinarian can:

  • Assess your pet via video in minutes
  • Ask the specific clinical questions that help differentiate emergencies from non-emergencies
  • Observe your pet's breathing, gait, alertness, and behavior in real-time
  • Give you a clear, definitive recommendation: go to the ER now, schedule a visit tomorrow, or manage at home with specific instructions
  • Prescribe medication if appropriate for non-emergency conditions
  • Provide detailed home monitoring instructions so you know exactly what to watch for overnight

Think of it as a professional triage service. The $64.99 online consultation either saves you a $300-$500 unnecessary ER visit, or confirms that the ER visit is warranted and potentially saves your pet's life by getting you there faster instead of spending the night debating.

Happy healthy dog after successful veterinary treatment

What to Have Ready for Any Vet Visit

Whether you end up at the ER or on a video call, having this information ready will help your vet help your pet faster:

  • When symptoms started and how they have progressed over hours or days
  • Any substances your pet may have eaten or been exposed to (bring the packaging if possible)
  • Current medications, supplements, and dosages
  • Recent diet changes or new treats introduced
  • Your pet's age, breed, weight, and any known health conditions
  • Photos or videos of the symptoms, especially if they are intermittent (a video of a seizure is invaluable even after it has stopped)
  • For senior pets, note any recent changes in eating, drinking, urination, or behavior patterns

Poison Control Numbers to Save Now

ResourcePhone NumberCostAvailable
ASPCA Poison Control(888) 426-4435$95 per case24/7
Pet Poison Helpline(855) 764-7661$85 per case24/7
RexVet Online TriageBook at rexvet.org$64.9924/7

The Bottom Line

When in doubt, call a vet. The question is not whether to seek help — it is where. An online vet consultation at $64.99 can serve as your first line of defense: confirming emergencies that need the ER, and saving you hundreds on situations that do not.

RexVet veterinarians are available 24/7 — including the exact moments when you are most likely to need triage help: late nights, weekends, and holidays. No appointment needed. Connect in minutes.

Not Sure If It Is an Emergency?

A licensed vet can triage your pet in minutes. 24/7. $64.99.

Talk to a Vet Now

FAQs

Can an online vet help during an emergency?
An online vet can provide rapid triage — helping you determine if the situation is a true emergency requiring an ER visit or something that can be managed at home. This can save you hundreds of dollars and hours of stress when the ER is not actually needed.
How much does an emergency vet visit cost?
Emergency vet visits typically cost $300-$500 for the exam alone, with total bills often reaching $1,000-$5,000+ depending on treatment. An online vet triage visit at RexVet is $64.99 and can help you avoid unnecessary ER trips.
What should I do if my pet ate something toxic?
Call ASPCA Poison Control (888-426-4435) or Pet Poison Helpline (855-764-7661) immediately. If your pet is showing symptoms like vomiting, seizures, or difficulty breathing, go directly to the emergency vet.
Is it worth going to the emergency vet at night or can it wait until morning?
It depends on the symptoms. An online vet can assess your pet via video in minutes and give you a clear answer. This is one of the highest-value uses of telehealth vet care.

Medically Reviewed

Reviewed by Dr. Tiffany Delacruz, DVM — licensed veterinarian and CEO of RexVet. Last reviewed April 15, 2026.

Content is for informational purposes and does not replace professional veterinary advice.

TD

Dr. Tiffany Delacruz, DVM

Chief Executive Officer · Licensed Veterinarian

Dr. Delacruz is a licensed Doctor of Veterinary Medicine specializing in preventive care and veterinary telehealth. She reviews all health content on RexVet to ensure accuracy and clinical relevance.

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