Quick facts for Cavalier King Charles Spaniels.
Size: Small
Typical weight: 13-18 lbs
Typical lifespan: 9-14 years
Common health concerns: Mitral valve disease (MVD), Syringomyelia, Patellar luxation, Mild food sensitivities, Ear infections
Dosing note: A 16 lb Cavalier takes 1 Daily Probiotic chew per day. If joint support is added, dogs under 25 lbs take 1 Hip and Joint chew per day.
Common health concerns for Cavaliers
Two conditions define the breed. Mitral valve disease, a progressive heart condition, affects most Cavaliers by middle age and is the most common cause of death in the breed. Syringomyelia, a neurological condition involving fluid pockets in the spinal cord, is also overrepresented and presents as head and neck pain.
Neither condition is treated by nutritional supplements. Both need vet-directed care. The supportive supplement picture for Cavaliers is therefore about general wellness: gut, immune, skin, and joint health to support the dog through whatever else they are dealing with.
What supplements help
Daily Probiotic supports the gut and immune health that feeds into skin, ears, and steady stool. Cavaliers are not famously gut-sensitive, but mild food sensitivities and ear infections are common. A settled microbiome reduces the frequency of those everyday issues.
Hip and Joint becomes worth adding in middle age or for any Cavalier with patellar luxation. The clinical glucosamine and chondroitin doses support cartilage, and the omega-3 has cardiovascular benefit that is supportive in a breed prone to heart disease.
When to start
Probiotic from any age. Hip and Joint around age 7 or earlier if patellar luxation is diagnosed. Discuss any chronic condition supplementation with your vet, especially around mitral valve disease management.