Top 5 Most Overlooked Conditions in Dogs That Can Be Dangerous

Just like people, dogs can develop dementia as they age. This condition often creeps up slowly, making it hard to notice. Your dog might start getting lost in familiar places, standing in corners without knowing how to back out, or wandering around the house at night. They may have accidents indoors despite being house-trained for years, or they might not recognize family members anymore. Many dog parents assume these changes are just “normal aging,” but cognitive dysfunction is a real medical condition that can be managed with medication, environmental changes, and mental enrichment activities.

These conditions occur when your dog’s immune system mistakenly attacks their own skin cells. The most common form, pemphigus foliaceous, causes painful blisters, crusts, and hair loss, typically starting on the ears and face. Because skin problems are common in dogs, these serious autoimmune conditions are often mistaken for simple allergies or infections. Without proper diagnosis through skin biopsy and appropriate treatment, these conditions can cause significant pain and lead to dangerous secondary infections.

While many people recognize when their dog seems nervous, they may not realize that severe anxiety is a medical condition requiring treatment. Anxiety can show up as destructive behavior, excessive barking, aggression toward people or other dogs, or extreme fear of sounds. Dogs suffering from anxiety are truly unhappy and may develop physical health problems from chronic stress. These conditions respond well to a combination of behavioral modification, environmental management, and sometimes medication.

This immune system disorder makes dogs more susceptible to infections, particularly in their respiratory system, ears, and skin. Because the symptoms—like recurring ear infections or respiratory issues—seem minor at first, many dog parents don’t realize there’s an underlying immune problem. These dogs experience chronic, repeated infections that may not fully respond to standard treatments. Early recognition can help manage the condition and prevent serious complications.

This serious autoimmune disease can attack multiple body systems, including the heart, joints, and kidneys. It often starts with skin problems that seem minor, affecting 40-50% of dogs with this condition first. Dog parents might notice crusty lesions on the nose or paws, along with fever and lameness. Because these signs can mimic other conditions, systemic lupus often goes undiagnosed until it becomes more severe.

If you notice any unusual changes in your dog’s behavior, skin, or overall health—even if they seem minor—it’s important to schedule a visit with your veterinarian. Veterinarians can perform the necessary tests to rule out serious conditions. Early detection and treatment can make a significant difference in your dog’s quality of life and may even save their life. Trust your instincts, and never hesitate to seek a professional opinion when something doesn’t seem right with your four-legged family member.