Cat Sunburn: Signs, Treatment, and Prevention

Sunbathing is a favorite pastime for many cats, but prolonged exposure to ultraviolet (UV) rays can cause sunburn, especially on thin‑fur areas such as the ears, nose, and around the eyes. This guide explains how to recognize sunburn, when to seek veterinary care, and how to keep your cat safe.

Can cats get sunburn?

Yes. Although a cat’s coat offers some protection, any skin that is thin, sparse, or hairless is vulnerable to UV damage. The most commonly affected spots are the edges of the ears, the nose, the eyelids, and any area where the fur is light or missing. Cats that lie on their backs in direct sunlight can even burn their bellies.

Early‑stage sunburn looks like a mild human sunburn: pink, slightly scaly skin with possible hair loss. As the injury progresses, you may notice:

• Red or pink skin
• Dry, flaky or scaly patches
• Itching or discomfort
• Blisters
• Pain or tenderness
• Crusting or ulceration

If the skin does not improve within a few days or the area becomes increasingly painful, contact your veterinarian.

Which cats are most at risk?

All cats can develop sunburn, but certain traits increase the risk:

• White or very pale coats
• White or pink noses
• White patches on the ears or face
• Hairless breeds (e.g., Sphynx)
• Thin or sparse fur
• Frequent outdoor exposure or a habit of sunbathing

Even indoor cats are vulnerable if they spend long periods in a sunny window.

Why take cat sunburn seriously?

Repeated UV exposure can cause permanent skin damage and increase the risk of skin cancer, particularly squamous cell carcinoma. This cancer often appears on chronically sun‑exposed sites such as the ears and nose.

How to treat cat sunburn

For mild cases, apply a cool, damp compress to the affected area for a few minutes several times a day. Do not use ice directly on the skin.

If the skin is very red, swollen, blistered, crusted, ulcerated, or if pain persists, seek veterinary care promptly. Treatment options may include:

• Topical barrier creams or ointments formulated for pets
• Pain relief medication
• Antibiotics if the skin is broken
• Dressings to protect severe lesions
• Intravenous fluids and stronger analgesics for extensive burns

How to prevent sunburn in cats

Prevention is far easier than treatment. Follow these simple steps, especially for high‑risk cats:

• Keep cats indoors during peak UV hours (approximately 10 a.m. – 3 p.m.).
• Block direct sunlight in rooms by drawing curtains or blinds.
• Provide shaded outdoor retreats such as cat hides, large cardboard boxes, or strategically placed plants.
• If recommended by your vet, apply a pet‑specific sunscreen to exposed areas (ears, nose, sparse‑fur patches).
• Never use human sunscreen on cats, as many ingredients are toxic to them.

FAQs

Can cats get sunburn through windows?

Yes. UV rays can pass through glass, so cats that lounge in sunny windows are still at risk.

Do cats need sunscreen?

Cats with light‑colored or hairless coats may benefit from a veterinary‑approved pet sunscreen. Consult your vet for product recommendations.

Can you use human sunscreen on cats?

No. Human formulations often contain chemicals that are harmful to cats.

Which colour cat is most susceptible to sunburn?

White and pale‑coloured cats have less melanin, making them the most vulnerable.

How do you treat sunburn on cats?

Apply a cool compress for mild burns. For severe redness, swelling, blisters, or lack of improvement after a few days, seek veterinary advice.