What To Do If Your Dog Collapses or Passes Out
A sudden collapse is a highly concerning symptom for dog owners to witness. Such an episode can lead to confusion and anxiety, sometimes with a loss of consciousness (called canine syncope). These events may be due to underlying health conditions or sudden environmental and lifestyle stressors.
After a dog suddenly collapses, it is essential to seek appropriate veterinary care. Dog owners should consult a comprehensive veterinarian in Queen Creek for urgent care and diagnostic testing to determine possible causes.
What To Do When Your Dog Collapses
It is vital to stay calm in the event of a collapse, whether or not the dog loses consciousness. The most important thing is to make sure that the dog is in a safe place away from any danger, including fall risks. Owners can use a blanket or towel to move their dog while speaking calmly to reassure them gently.
If the dog loses consciousness or remains lying on the ground without recovering on their own, pet parents should examine the dog for any signs that might help the medical team understand what caused the collapse. Consider the following:
- Did the dog behave abnormally before the collapse?
- Is the dog’s breathing irregular?
- Is the dog injured or bleeding anywhere?
- Does their abdomen appear swollen?
It is also essential to consider the conditions that may have caused the collapse. Could the dog be dehydrated or experiencing extreme temperature fluctuations?
Dog owners should be aware that when a dog regains consciousness, they may behave more aggressively than usual. They may also experience general weakness and a slow heart rate, leaving them prone to injury. It is essential to be cautious when transporting an unconscious dog to the veterinarian.
What Causes Dogs To Collapse?
There are various possible causes of sudden collapses in dogs, including chronic and temporary medical conditions. The most common causes of fainting spells are cardiovascular and neurological conditions.
Cardiovascular conditions affecting dogs include:
- Arrhythmias
- Heart conditions and sudden failure
- Hypertrophic cardiomyopathy (HCM)
- Mitral valve disease
- Pericardial effusion
- Pulmonary hypertension
- Congenital heart defects
- Abnormal heart rhythms such as bradycardia or tachycardia (excessively slow or fast heart rates)
- Low cardiac output
Neurological conditions that may trigger a dog to faint include:
- Vascular disease
- Narcolepsy (the dog will lose consciousness and stay down for an extended period).
- Vestibular disease
- Brain tumors
Other conditions without cardiological or neurological roots may cause a dog to faint. These include serious health concerns such as cancer and seizures due to toxin exposure or drug side effects. Dogs struggling with heartworm disease may also experience sudden fainting episodes, so staying on top of preventative care and treatments for active cases is essential.
Injuries, acute blood loss, or hemorrhages can cause a dog to faint, as can a sudden drop in blood pressure due to an injury or other conditions.
Environmental and lifestyle stressors such as dehydration, low blood sugar, heatstroke, and overexertion can also cause a dog to faint, making it critical for pet owners to be mindful of environmental conditions and supervise any physically demanding activities outside a dog’s usual routine.
Finally, bloat, also called gastric dilatation-volvulus (GDV), is a life-threatening condition requiring emergency care. Bloat occurs when the stomach fills with air and can twist on itself, causing abdominal swelling, failed attempts at vomiting, and sometimes fainting. The condition prevents blood from the hind legs and abdomen from circulating back to the heart, so the blood pools in the lower body and decreases the working blood volume, sending the dog into shock.
How Are Fainting Spells Treated?
Dogs that experience a syncopal episode should receive a full physical exam by an experienced veterinarian to assess the potential causes. Fainting is a dog emergency that requires immediate assessment. If this is a known, recurring issue, reporting it to a qualified vet is still important to determine whether any additional treatment is necessary.
If this is the first time a dog has collapsed and there are no obvious triggers, the veterinarian will begin diagnostic testing that includes a cardiac evaluation and neurological assessments. Using CT, MRI, and ultrasound imaging allows for an accurate diagnosis.
The vet will look for signs of cardiac disease and spinal cord injuries, as well as take blood tests to check for clinical signs of toxin ingestion.
The treatment for a dog’s collapse depends on the underlying cause. Cardiovascular and neurological treatments may require surgeries or long-term medications, while other issues, such as toxin ingestion, may require fluid replenishment and anti-convulsion treatments.
Consult Revel Vet About Dog Health
Whether you are facing a veterinary emergency or have general concerns about your pet’s health, Revel Vet can help. With “fear-free” certified veterinarians and technicians and comprehensive in-house diagnostic tools, this experienced team can handle a wide range of canine conditions.
Our team can also advise you on creating a pet first aid kit for adventurous dogs so that you can avoid conditions that might cause them to faint in the outdoors.
Visit our office in Queen Creek, AZ, or call 480-701-8609 today.
FAQ About Dogs Collapsing
The Revel Vet team offers answers to common questions we hear about fainting spells.
What Should I Do If My Dog Faints?
If your dog faints, it is important to ensure they are in a safe place and cannot fall off a surface and hurt themselves. Then, whether they regain consciousness quickly or remain unresponsive, you must call your veterinarian for emergency care.
Does Fainting Mean My Dog Is Seriously Sick?
Fainting can indicate serious illnesses and underlying health conditions, but it can also be a symptom of less severe issues. Only a qualified vet can provide an accurate diagnosis of your pet.
Should I Wake My Dog If They Faint?
If your dog faints and loses consciousness, you can speak to them reassuringly and attempt to rouse them. However, you’ll want to remain cautious, as some dogs will be uncharacteristically aggressive upon regaining consciousness. It’s best to immediately contact a vet and transport them to emergency care.
