TL;DR: Crusty sores around a dog's eyes are signs of irritation or infection that should be evaluated by a veterinarian within 24 to 48 hours to prevent potential eye damage.
What are the most common causes of crusty sores around my dog's eyes?
Crusty sores around a dog's eyes, often referred to as periocular dermatitis or blepharitis, are typically a sign of underlying irritation, infection, or inflammation. These sores may appear as red, thickened skin that eventually develops a yellow or brown crust due to dried discharge. Common causes include bacterial or fungal infections (like ringworm), skin mites (mange), or environmental allergies that cause the dog to rub their face, leading to secondary skin trauma.
Are crusty sores around my dog's eyes considered a medical emergency?
- Urgency Level: Medium. While rarely a sudden life-threatening emergency, eyes are highly sensitive and require timely care.
- Potential Risks: Inflammation can quickly lead to secondary corneal ulcers or permanent scarring if the dog continues to scratch.
- Timeline: Schedule a veterinary appointment within 24 to 48 hours for diagnosis and treatment.
- When to Seek Faster Care: Seek immediate attention if the eyeball looks cloudy or if your dog is squinting excessively.
How does taking a photo of my dog's eyes help the veterinary team?
- Captures Real-Time Status: Documentation shows the exact state of the sores, which is helpful since clinical signs can change rapidly.
- Pre-Visit Assessment: Allows the vet to see the distribution of crusting and inflammation before the dog arrives at the clinic.
- Progress Monitoring: Serves as a baseline to determine if the condition is improving or deteriorating once treatment begins.
Clinical Context (Merck Veterinary Manual)
Blepharitis, or inflammation of the eyelids, can manifest as crusty sores around the eyes in dogs. Causes include extension of generalized dermatitis, conjunctivitis, local glandular infections (stye or chalazion), and irritants like plant oils or solar exposure. Common agents involved are dermatophytes, *Demodex canis*, and bacteria such as staphylococci. Immune-mediated diseases like pemphigus can also cause lesions at the mucocutaneous junction of the skin and conjunctiva. Skin scrapings, cultures, and biopsies may be required for an accurate diagnosis. In generalized blepharitis, systemic therapy is often indicated in addition to topical treatment, alongside supportive therapy of hot packing and frequent cleansing.
Chapter: Ophthalmology, Dermatology
Source: The Merck Veterinary Manual, 11th Edition (Page 490)