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Discoid lupus in animals

Discoid lupus (DLE) can affect cats and dogs, in dogs it's the second most common autoimmune illness whereas in cats it's quite rare. It seems to be found more frequently in certain breeds of dogs such as; German Shepherd, Shetland Sheepdog, Siberian Husky, Collie, Brittany Spaniel and German Shorthaired Pointer. It may strike at any age, with males and females equally affected.

DLE usually affects the animals ears and face, particularly the nose (see photograph above), first signs are often loss of pigmentation, ie a black nose may become more grey in colour. Other areas of the animal such as feet can also be affected. Diagnosis is usually confirmed with a biopsy.

Like with human beings, ultraviolet light can induce the disease (about half the cases start this way) and seems to make the condition worse. Vets also recognise that a virus may also be a trigger. It's more common in areas in which exposure to ultraviolet light is increased. Topical sunscreens can be very beneficial, although it's hard to get dogs to leave them on. Keeping the dog in during the peak sunlight hours is probably the most effective way to prevent excessive exposure to UV light.

Treatment in most cases involves the application of topical corticosteroid preparations. Severe cases may require a systemic combination of prednisone and azathioprine, an immunosuppressive drug.

Millie, the pet dog of Barbara Bush & ex President George Bush, was diagnosed with discoid lupus.

Also a cat called Gobbolino, that belonged to Dr. David D'Cruz of the Louise Coote Lupus Unit, had lupus of the paw - she was treated with steroids and recovered well (photo left). November 2008. I'm sorry to have to report that Gobbolino sadly passed away. After battling lupus she developed cancer.

Updated 11/2008


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