The short answer
Two Cavalier-defining health conditions: mitral valve disease (MVD) — Cavaliers are the WORST-affected breed of any dog (~50% have murmurs by age 5, ~98% by age 10, ACVIM stage A–D management with $60–$200/month meds, $15K–$25K specialty repair surgery for severe); syringomyelia (SM) — Cavalier-specific neurological condition where skull is too small for brain (~70% affected, 5–15% symptomatic, $2.5K–$3.5K Calgary MRI, lifelong pain management). Also: episodic falling syndrome (Cavalier-specific, DNA testable), eye conditions (curly coat dry eye, PRA, cataracts), ear infections, dental disease. Pet insurance is essential — lifetime vet costs $25K–$50K+. Calgary insurance $40–$80/month for young healthy Cavalier — verify MVD coverage specifically and enrol BEFORE first murmur detection.
Cavaliers are the worst-affected breed for mitral valve disease
~50% of Cavaliers have heart murmurs by age 5; ~98% by age 10. This is the highest MVD prevalence of any dog breed. Annual cardiac echocardiogram from age 2 onwards. Calgary specialty cardiology: Western Veterinary Specialist Centre, VCA Canada West — $400–$700 per echo. Pet insurance enrolled BEFORE first murmur is critical — once detected, MVD becomes pre-existing and is excluded across every Canadian provider.
What is mitral valve disease in Cavaliers?
The defining Cavalier health concern. Cavaliers are the WORST-AFFECTED breed of any dog for MVD. Approximately 50% of Cavaliers have heart murmurs by age 5, and ~98% by age 10. MVD is degeneration of the heart's mitral valve, causing it to leak and creating a heart murmur.
Symptoms develop gradually over years: heart murmur (detected at vet exam, often years before symptoms), exercise intolerance, coughing (especially after exercise or at night), rapid breathing, lethargy, fainting, distended abdomen.
Diagnosis: vet exam (heart murmur grading), chest X-ray, echocardiogram (gold standard for staging). Calgary specialty cardiology echo: $400–$700 at Western Veterinary Specialist Centre or VCA Canada West.
Treatment by ACVIM stage:
- Stage A (genetic predisposition, no murmur — every Cavalier) — baseline monitoring
- Stage B1 (murmur, no heart enlargement) — annual cardiac monitoring
- Stage B2 (murmur with heart enlargement on echo) — start pimobendan (Vetmedin) preventively; multi-year studies show this delays heart failure
- Stage C (symptoms present) — pimobendan + ACE inhibitors + diuretics. Calgary cost: $60–$200/month meds, $400–$700/year monitoring
- Stage D (refractory heart failure) — intensive medication; mitral valve repair surgery option at specialty cardiology ($15,000–$25,000+)
Most Cavaliers with MVD live many years with proper management. Annual cardiac echo after first murmur detection is essential.
What is syringomyelia in Cavaliers?
Syringomyelia (SM, also called Chiari-like malformation/syringomyelia or CM/SM) is a Cavalier-specific neurological condition. Affects approximately 70% of Cavaliers (most are asymptomatic; 5–15% develop clinical signs).
The condition: Cavalier skulls are too small for the brain (Chiari-like malformation), causing cerebrospinal fluid flow obstruction. Fluid-filled cavities (syrinxes) develop in the spinal cord, causing pain and neurological symptoms.
Symptoms typically appear age 6 months–3 years: scratching at neck/shoulders without contact (“phantom scratching”), yelping or vocalizing for no apparent reason, head tilt, weakness, sensitivity to touch around neck/head, difficulty going up stairs or jumping.
Diagnosis: MRI of brain and spinal cord ($2,500–$3,500 in Calgary at specialty neurology). Treatment: pain management (gabapentin, NSAIDs), corticosteroids for severe cases, surgical decompression rare option ($8,000–$15,000+ at specialty referral, mixed outcomes). Lifelong condition — management-focused, not curable.
Pet insurance enrolled BEFORE first symptom is critical. CKCSC breeding ethics require MRI testing of parents to reduce SM rates — most Cavalier breeders DO NOT do this testing. Verify with any breeder. Calgary specialty neurology: VCA Canada West, Western Veterinary Specialist Centre.
How do I find an MVD-aware Cavalier breeder?
Most Cavalier breeders DON'T do proper cardiac testing — verifying carefully is unusually important for this breed.
Required cardiac testing for ethical Cavalier breeding:
- ANNUAL echocardiogram by board-certified veterinary cardiologist (DACVIM-Cardiology), not just GP heart auscultation
- Both parents must be cardiac-cleared at time of breeding
- CKCSC heart and MRI scheme guidelines require: females not bred before 30 months AND parents must have been clear at age 5 (significantly reduces puppy MVD risk)
- MRI for syringomyelia (CKCSC also recommends — most breeders skip this)
Red flags:
- Breeder claims “vet said heart sounds fine” — auscultation alone misses Stage B2
- No annual cardiology echos
- Breeding before 30 months
- No MRI for SM
- Inability to show written cardiac/MRI reports
Ethical Calgary/Alberta Cavalier breeders following CKCSC standards: rare. Most breeders charge $2,500–$4,500 without proper testing. Truly health-tested Cavaliers from CKCSC-compliant breeders: $4,000–$6,000+, often with 2–3 year waitlists.
For most adopters, adopting an adult Cavalier from rescue is dramatically better risk management than gambling on breeder testing claims. Adult Cavaliers in rescue can be cardiac-tested by your own vet ($400–$700 echo) before adoption commitment.
What is episodic falling syndrome in Cavaliers?
Episodic falling syndrome (EFS) is a Cavalier-specific neurological condition where dogs experience sudden episodes of muscle stiffness/seizure-like activity triggered by exercise, excitement, or stress. Distinct from regular seizures. Affects approximately 1–3% of Cavaliers. Symptoms: stiff hindlimbs, “deer-leaping” gait, falling over after extended exercise, fully conscious during episode (unlike seizures), recovers within minutes. Diagnosis: clinical signs + DNA test (autosomal recessive gene) at Embark Vet ($150–$200). Treatment: avoid triggers (extended exercise, excitement), clonazepam for severe cases. Lifelong condition but generally manageable.
What eye problems do Cavaliers have?
Multiple. Common Cavalier eye conditions:
(1) Curly Coat / Dry Eye (CCDE) — Cavalier-specific genetic condition, autosomal recessive. DNA testable. Causes severe dry eye + abnormal coat texture
(2) Progressive Retinal Atrophy (PRA) — gradual blindness by age 4–7. DNA testable ($150–$200 Embark)
(3) Cataracts — common in seniors. Calgary surgery $3,000–$5,000/eye
(4) Dry eye / KCS — lifetime cyclosporine drops (~$30/month)
(5) Distichiasis — extra eyelashes scratching cornea
(6) Cherry eye — surgical replacement $800–$1,500/eye
(7) Corneal ulcers from dry eye or trauma
Daily eye care: wipe corners with damp soft cloth or sterile saline pad, schedule annual eye exams (especially seniors). Calgary specialty veterinary ophthalmology: VCA Canada West, Western Veterinary Specialist Centre. CKCSC breeding requires eye CERF examination annually.
Why do Cavaliers get so many ear infections?
Cavalier ear anatomy is a perfect storm for infections: long pendulous ears (limit air circulation, trap moisture), hair growing IN the ear canal (Spaniel inheritance), allergies common in the breed. Approximately 40–50% of Cavaliers have at least one ear infection per year; many have ongoing chronic ear disease.
Symptoms: head shaking, scratching at ears, redness, dark waxy or pus-like discharge, foul odor, head tilt. Calgary cost: $200–$400 per vet visit, recurring 1–3 times per year. Management: weekly ear cleaning at home (Epi-Otic, MalAcetic Otic), monthly check, address underlying allergy. Allergies are often the root cause — Apoquel ($60–$100/month for Cavalier-size dose), Cytopoint injections, immunotherapy desensitization.
How serious is dental disease in Cavaliers?
Common but less severe than tiny toy breeds. Approximately 70% of Cavaliers have dental disease by age 5 — high but lower than Maltese/Yorkie/Pomeranian (~85% by age 3). Cavaliers often need professional dental cleanings every 12–18 months. Calgary dental cleaning cost: $500–$1,500. Lifetime dental care often runs $3,500–$7,500+. Untreated dental disease causes systemic inflammation linked to heart disease — particularly relevant for a breed with high MVD prevalence. Anesthesia consideration: dental cleanings require anesthesia, and Cavaliers with MVD need cardiac evaluation before any anesthesia event.
What is the Cavalier anesthesia profile?
Standard risk for small breeds for young Cavaliers — but cardiac-aware anesthesia required after first MVD murmur detection.
Pre-op considerations:
- Cardiac evaluation REQUIRED before any anesthesia — chest X-ray + echo if murmur detected. Skipping this is dangerous in a breed with 98% MVD prevalence by age 10
- Pre-op bloodwork including renal/liver values, especially for seniors
- Stable cardiac status confirmed (Stage B1 or earlier ideal; Stage B2+ requires careful pre-op stabilization)
- IV fluid rate must be cardiac-aware — overhydration in MVD-affected dogs can trigger congestive heart failure
- Pain management plan including non-cardiac-stressing options
Calgary specialty centres (VCA Canada West, Western Veterinary Specialist Centre) for major procedures, especially senior Cavaliers. Anesthesia events for senior Cavaliers should be combined when possible to minimize cumulative cardiac stress.
Should I get pet insurance for my Cavalier?
Absolutely yes — Cavaliers are THE breed where pet insurance most reliably pays for itself. The MVD lifetime cost alone justifies insurance: $60–$200/month medications for life starting Stage C, plus annual cardiac monitoring ($400–$700/year), plus possible Stage D specialty care ($15,000–$25,000+). Lifetime vet costs frequently exceed $25,000–$50,000+.
Calgary insurance: $40–$80/month for a young healthy Cavalier with $300 deductible / 80% coinsurance / $15,000+ annual limit.
CRITICAL caveats specific to Cavalier insurance:
- Verify the policy covers MVD specifically — some Canadian insurers exclude congenital/hereditary conditions or treat MVD as breed-specific exclusion
- Enrol BEFORE first MVD murmur detection — once a murmur is documented, MVD becomes pre-existing and is excluded. Many Cavaliers develop murmurs by age 5 — enrol early
- Choose a policy with annual or lifetime limit of $15,000+
- Beware breed-specific exclusions — some insurers add Cavalier-specific MVD clauses
Top providers for Cavaliers: Trupanion (no per-condition limits — valuable for chronic MVD), Pets Plus Us, Petsecure. AVOID: any policy with per-condition limits under $5,000 or annual limits under $10,000.
The Cavalier insurance equation: ~$8,000 in premiums over 12 years = $20,000–$50,000+ in MVD/SM/eye care covered.
Why does keeping my Cavalier lean matter so much for MVD?
Obesity is one of the biggest preventable risk factors for MVD progression — and Cavaliers are notorious food thieves. Every extra pound of body fat increases the cardiac workload of an already-failing mitral valve.
Studies consistently show that overweight Cavaliers progress to clinical heart failure (Stage C) faster than lean-kept Cavaliers. The target body condition score (BCS) is 4–5/9 — you should be able to feel ribs easily, see a defined waist from above, and a tucked abdomen from the side. Most Calgary Cavaliers are 1–3 lbs overweight without owners realizing it.
Practical management:
- Weigh kibble portions on a kitchen scale (do not eyeball cups)
- Eliminate table scraps entirely — Cavaliers will manipulate every household member into “just a little”
- Use 10–15% of daily calories for treats max
- Swap commercial treats for low-calorie alternatives: cooked chicken, blueberries, green beans, apple slices
Cavalier metabolism slows around age 4–5 — caloric needs drop 15–20% even before MVD progression. Annual weigh-ins at vet visits, monthly home weigh-ins once Stage B2 confirmed. The single biggest lever Calgary Cavalier owners have over MVD progression is keeping the dog lean.
Why do Cavaliers have sensitive stomachs and food allergies?
Cavaliers have meaningfully higher rates of GI sensitivity and food allergies than most breeds — approximately 15–20% develop a food allergy or chronic sensitive stomach during their lifetime.
Common GI issues: chronic loose stool, intermittent vomiting, food allergies (most often to chicken, beef, or grains), inflammatory bowel disease (IBD) in seniors, pancreatitis (sometimes triggered by high-fat treats or table scraps).
Symptoms to watch:
- Chronic soft stool or diarrhea
- Intermittent vomiting — especially yellow bile in the morning (empty stomach)
- Excessive gas, gurgling stomach sounds
- Picky eating that comes and goes
- Itchy skin or chronic ear infections — food allergies often present as skin/ear issues, not GI
- Poor coat quality
Workup approach: rule out parasites, then a strict elimination diet (single novel protein + single carb for 8–12 weeks). Calgary cost: $500–$1,500 for full GI workup including bloodwork and stool tests, plus prescription hydrolyzed or limited-ingredient diet ($90–$140 per bag).
Common Cavalier-friendly diets: Hill's z/d (hydrolyzed), Royal Canin Hypoallergenic, Purina Pro Plan HA. Avoid: high-fat treats (rawhide, pig ears, cheese), abrupt food changes, table scraps.
Cavaliers with both food allergies AND MVD need a diet that is both hypoallergenic AND low-sodium — work with your cardiologist + GI specialist to find a compatible option.
What should I keep on hand for a Cavalier emergency?
Cavalier-specific emergency kit:
(1) Cardiac history documentation — current murmur grade, last echo results, current cardiac medications. Most important for ER intake
(2) Pet first aid kit
(3) Phone numbers programmed: regular vet, Calgary 24-hour emergency clinic, Pet Poison Helpline 1-855-764-7661, Calgary specialty cardiology contact
(4) Current photo with weight + microchip number on physical card
(5) Carrier or harness within easy reach
(6) Pet insurance card or vet financing info (CareCredit, ScratchPay) — specialty cardiology procedures often run $5,000–$25,000+
(7) MVD medication if your dog is diagnosed — bring to ER
(8) Pain medication if syringomyelia is diagnosed
(9) Eye flush solution and clean gauze
Frequently Asked Questions
Mitral valve disease?
Worst-affected breed of any dog. ~50% have murmurs by age 5, ~98% by age 10. ACVIM stage A–D. Calgary echo $400–$700, meds $60–$200/month, Stage D specialty repair $15K–$25K.
Syringomyelia?
Cavalier-specific. ~70% affected, 5–15% symptomatic. Phantom scratching, yelping. Calgary MRI $2.5K–$3.5K. Pain meds (gabapentin) lifelong. Surgery rare option ($8K–$15K).
MVD-aware breeders?
Annual cardiologist echo (not GP auscultation), CKCSC ethics (no breeding before 30mo), MRI for SM. Most breeders DON'T do this. Adult rescue Cavalier with cardiac echo by your vet often better risk management.
Episodic falling syndrome?
Cavalier-specific, ~1–3%. Stiff hindlimbs, deer-leaping gait, conscious during episode. DNA test ($150–$200 Embark). Avoid triggers + clonazepam for severe.
Eye problems?
Curly coat dry eye (Cavalier-specific), PRA, cataracts, dry eye/KCS, distichiasis, cherry eye. Annual eye exams. CKCSC requires eye CERF.
Ear infections?
~40–50% have ≥1/year. Long pendulous ears + canal hair + allergies. Calgary $200–$400/visit. Allergies often root cause — Apoquel $60–$100/month.
Dental disease?
~70% by age 5 (lower than tiny toys). Cleanings every 12–18 months ($500–$1,500 Calgary). Heart-disease connection makes it more critical.
Anesthesia profile?
Cardiac-aware anesthesia required after first MVD murmur. Pre-op chest X-ray + echo, careful IV fluids, cardiac-stable status before procedure. Combine procedures when possible.
Pet insurance for Cavaliers?
Absolutely yes — THE breed where insurance pays for itself. Lifetime $25K–$50K+. Calgary $40–$80/month. Enrol BEFORE first murmur — pre-existing exclusion. $15,000+ annual limit minimum.
Why does lean weight matter for MVD?
Biggest preventable lever for slowing MVD progression. Target BCS 4–5/9. Most Calgary Cavaliers are 1–3 lbs over without owners realizing. Weigh kibble on kitchen scale, eliminate table scraps, treats ≤10–15% daily calories. Metabolism drops 15–20% at age 4–5.
Sensitive stomach + allergies?
~15–20% of Cavaliers develop food allergies or chronic GI issues. Loose stool, morning bile vomiting, itchy skin/ears (allergies often present as skin not GI). Elimination diet 8–12 weeks. Hill's z/d, RC Hypoallergenic, Pro Plan HA. With MVD: need both hypoallergenic AND low-sodium.
Emergency kit?
Cardiac history documentation, first aid, ER vet numbers, specialty cardiology pre-programmed, microchip + weight, harness, MVD meds, SM pain meds, eye flush.
Cavalier Adoption Calgary
Where to find them, costs, MVD-aware adoption, 4 colors, Cavapoo mix.
Cavalier Grooming Calgary
Medium silky coat, feathering care, ear infection prevention, weekly brushing.
Maltese Health Issues
Sister breed for shared MVD pattern (Maltese top-3, Cavalier top-1). Same staging + Calgary cardiology.
Calgary Emergency Vet Guide
24-hour clinics + Calgary specialty cardiology contacts. Save before you need it.