TL;DR: Blue or purple gums (cyanosis) are a life-threatening emergency indicating that your dog is not getting enough oxygen. If your dog's gums are not their normal pink color, you must seek emergency veterinary care immediately.
What does it mean if my dog has blue or purple gums?
Cyanosis is the clinical term for a bluish or purplish discoloration of the skin or mucous membranes, most visible in a dog's gums or tongue. This change in color happens when there is an insufficient amount of oxygen being carried by the red blood cells. In a healthy dog, gums should be a bright, bubblegum pink.
Are blue or purple gums in dogs a medical emergency?
- Urgency Level: High. Blue or purple gums are a critical medical emergency suggesting that your dog’s vital organs are being deprived of oxygen.
- Whether caused by a respiratory obstruction, heart failure, or lung disease, any delay in treatment can be fatal.
- If you notice this color change, proceed to the nearest emergency veterinary clinic immediately.
How does taking a photo of my dog's gums help with veterinary triage?
- A quick, clear photo allows the medical staff to confirm the severity of the cyanosis before you even arrive at the clinic.
- This visual information helps the team prepare life-saving equipment, such as oxygen therapy or intubation tools, in advance.
- Sharing a photo ensures the staff is ready to provide immediate stabilization the moment you walk through the door.
Clinical Context (Merck Veterinary Manual)
Compromised breathing manifests with an increased respiratory rate and effort, followed by a change in the respiratory pattern and postural changes. Gray or blue mucous membranes (cyanosis) develop, indicating significant loss of pulmonary function and impending pulmonary arrest. In severe life-threatening situations with small airway obstruction, the animal is cyanotic, open-mouth breathing, collapsed, and asphyxiating. If the animal is cyanotic and collapsed, an upper airway obstruction may be present, and the owner should be instructed on how to perform a Heimlich maneuver or sudden chest compression to relieve the obstruction and then to manually clear the airway. Unconscious, apneic animals require immediate tracheal intubation and relief of any obstruction.
Chapter: Emergency, Respiratory
Source: The Merck Veterinary Manual, 11th Edition (Page 1663)