Some dogs may also experience symptoms such as gastric reflux, gagging, drooling, and regurgitation. In severe cases, BOAS can escalate the risk of heatstroke, oxygen deprivation, collapse, seizures, and even death. While all brachycephalic dogs have BOAS, the severity of symptoms can vary.
In addition to BOAS, brachycephalic breeds are prone to other serious health issues associated with their facial structures and specific deformities. These include protruding eyes susceptible to injury, dryness, and prolapse; spinal abnormalities; dental issues; difficulties during mating and birthing; skin conditions; diaphragmatic hernias; ear problems; and various other ailments.