French Bulldog and Shih Tzu Mix: Complete Breed Profile & Care Guide
Everything about the French Bulldog and Shih Tzu mix — size, temperament, health risks, grooming, cost.
The French Bulldog and Shih Tzu mix — sometimes called a "French Bull Tzu" or "Frenchie Tzu" — is a designer crossbreed that pairs the clownish, compact French Bulldog with the affectionate, regal Shih Tzu. Both parent breeds rank among the most popular companion dogs in the United States, and their offspring tend to inherit a friendly, people-oriented disposition packed into a small, sturdy frame.
But like all mixed breeds, the French Bulldog and Shih Tzu mix comes with a range of possible outcomes. You won't know exactly which parent your puppy will favor in looks, coat type, or temperament until they mature. This guide breaks down everything prospective owners need to know — from realistic size ranges and inherited health risks to grooming requirements and what you'll actually pay in 2026.
Parent Breed Breakdown: French Bulldog Meets Shih Tzu
Understanding the parent breeds is the best way to predict what you might get in a French Bulldog and Shih Tzu mix. Here's how these two companion breeds compare across the traits that matter most to owners.
| Trait | French Bulldog | Shih Tzu |
|---|---|---|
| AKC Group | Non-Sporting | Toy |
| Weight Range | 16–28 lb (7–13 kg) | 9–16 lb (4–7 kg) |
| Height | 11–13 in (28–33 cm) | 9–10.5 in (23–27 cm) |
| Coat Type | Short, smooth, single coat | Long, flowing, double coat |
| Shedding Level | Low to moderate | Low (hair, not fur) |
| Head Shape | Brachycephalic (flat-faced) | Brachycephalic (short muzzle) |
| Energy Level | Low to moderate | Low to moderate |
| Lifespan | 10–12 years | 10–18 years |
| Temperament | Playful, adaptable, stubborn | Affectionate, outgoing, gentle |
Both breeds share brachycephalic (shortened skull) anatomy, which is the single most important health factor to understand before committing to this mix. According to the American Kennel Club's French Bulldog breed standard, the Frenchie has been the most popular breed in the U.S. since 2022, while the Shih Tzu consistently ranks in the top 20. Their popularity means more breeders are producing this cross, but it also means both parent breeds carry well-documented health risks you need to understand.
Size, Appearance, and Coat: What to Expect
One of the most common questions about the French Bulldog and Shih Tzu mix is: how big will they get? Because both parents are small breeds, the mix falls firmly in the small-dog category, but there is meaningful variation depending on which parent the puppy favors.
| Measurement | Minimum (Shih Tzu-leaning) | Maximum (Frenchie-leaning) |
|---|---|---|
| Weight | 10 lb (4.5 kg) | 25 lb (11 kg) |
| Height at shoulder | 9 in (23 cm) | 13 in (33 cm) |
| Body build | Lighter, more delicate frame | Stockier, muscular, barrel-chested |
Most French Bulldog and Shih Tzu mixes land between 12–20 lb (5.5–9 kg) and stand 10–12 inches (25–30 cm) at the shoulder. You can usually gauge where a puppy will fall by 12–16 weeks of age, though growth continues until roughly 10–12 months.
Coat Type Possibilities
This is where genetics gets interesting — and unpredictable. The French Bulldog carries genes for a short, smooth, single-layered coat. The Shih Tzu carries genes for a long, silky, double-layered coat that grows continuously (more like human hair than typical dog fur).
A first-generation (F1) puppy can inherit any combination:
- Short and smooth (Frenchie-dominant): Easier to groom, low shedding, but may lack the "hypoallergenic" qualities some owners seek
- Medium-length, wavy (blended): The most common F1 outcome — a soft coat that's 2–4 inches long, moderate grooming needs
- Long and silky (Shih Tzu-dominant): Requires daily brushing, professional grooming every 6–8 weeks, but closest to the low-shedding coat Shih Tzus are known for
Ear shape is another variable. Frenchies have their signature upright "bat ears," while Shih Tzus have long, pendant drop ears. The mix can produce anything from fully erect to fully dropped to a charming half-flopped ear. Bat-eared puppies from this cross tend to have fewer ear infections than drop-eared ones, since upright ears allow better air circulation.
Generation Guide: F1, F1B, and Multigen Explained
Generation Terminology for Designer Mixes
F1 (First Generation): One purebred French Bulldog parent × one purebred Shih Tzu parent. These puppies show the widest variation in traits — each pup in the same litter may look quite different. This is the most common generation available from breeders.
F1B (First Generation Backcross): An F1 French Bull Tzu × one purebred parent (either Frenchie or Shih Tzu). Backcrossing to a Shih Tzu increases the chance of a longer, lower-shedding coat. Backcrossing to a Frenchie tends to produce a stockier build with a shorter coat.
F2 (Second Generation): Two F1 French Bull Tzus bred together. Trait variation is even wider in F2 litters — some puppies may closely resemble one grandparent breed while others look entirely different. Less common in this particular mix.
Multigen (F3+): Multiple generations of French Bull Tzu bred to French Bull Tzu. Rare for this cross. Multigen lines offer slightly more predictability but require breeders who have worked with the line for years.
For most buyers, F1 puppies are the standard offering. If a breeder advertises F1B or multigen French Bulldog and Shih Tzu mixes, ask for documentation of the parentage and health testing. Reputable breeders of any generation will provide Orthopedic Foundation for Animals (OFA) or equivalent health clearances for both parent dogs.
Temperament: The Best-Case and Challenging Scenarios
Both parent breeds were developed as companion animals, so the French Bulldog and Shih Tzu mix is overwhelmingly likely to be a people-oriented, affectionate dog. But "companion breed" doesn't mean "effortless." Here's the realistic range.
Best-Case Temperament Scenario
Your mix inherits the Frenchie's playful humor and the Shih Tzu's gentle, outgoing warmth. The result: a dog that greets visitors enthusiastically, plays in short entertaining bursts, settles calmly on the couch for hours, and gets along with children, other dogs, and even cats. This is the outcome most breeders aim for, and it's common — but not guaranteed.
Challenging Temperament Scenarios
- Stubbornness (Frenchie inheritance): French Bulldogs are notoriously willful. A mix that leans Frenchie may "selectively hear" commands, especially during adolescence (6–14 months). This isn't defiance — it's a breed trait that requires patient, positive reinforcement training with high-value treats.
- Sensitivity and clinginess (Shih Tzu inheritance): Shih Tzus bond intensely and can develop separation distress if left alone for long stretches. A mix that inherits this trait may vocalize, pace, or engage in destructive chewing when isolated for more than 4–5 hours.
- Wariness with strangers: While neither breed is aggressive, individual dogs may be reserved or slow-to-warm with unfamiliar people. Early socialization (positive exposure to 50+ new people before 16 weeks of age) is critical.
- Same-sex dog reactivity: French Bulldogs, particularly intact males, can show same-sex aggression. Neutering and early socialization reduce but don't eliminate this risk.
Health Considerations: Hybrid Vigor vs. Reality
Let's address a pervasive myth: the idea that mixed breeds automatically enjoy "hybrid vigor" — meaning they're healthier than purebreds. The reality is more nuanced.
Hybrid vigor (heterosis) can reduce the risk of recessive genetic diseases that are common in one parent breed but not the other. For example, if French Bulldogs carry a recessive gene for a particular condition that Shih Tzus don't, the F1 offspring are unlikely to express that disease. However, when both parent breeds share the same health risks — as Frenchies and Shih Tzus do in several areas — the mix inherits those risks too.
Shared Health Risks (Both Parent Breeds)
| Condition | Description | Estimated Prevalence | Management / Cost Range |
|---|---|---|---|
| Brachycephalic Obstructive Airway Syndrome (BOAS) | Narrowed nostrils, elongated soft palate, and compressed airways causing breathing difficulty, snoring, exercise intolerance, and heat sensitivity | ~50% of French Bulldogs affected; Shih Tzus also at risk. Mix prevalence varies by muzzle length inheritance | Surgical correction: $2,000–$6,000. Lifelong weight management critical |
| Hip Dysplasia | Malformed hip joint causing pain, lameness, and arthritis over time | ~12–15% in French Bulldogs; ~7–10% in Shih Tzus (OFA data) | Conservative management: $500–$1,500/year. Surgery (FHO or THR): $2,500–$7,000 |
| Patellar Luxation | Kneecap slipping out of position, causing intermittent skipping gait | Common in both small breeds; ~5–8% prevalence | Mild cases managed conservatively. Surgery for Grade III–IV: $1,500–$3,500 per knee |
| Eye Conditions | Cherry eye, dry eye (keratoconjunctivitis sicca), cataracts, corneal ulcers — brachycephalic eyes are more exposed and vulnerable | Cherry eye: ~10–15% in brachycephalic breeds | Cherry eye surgery: $500–$1,200. Dry eye medication: $30–$60/month lifelong |
| Allergies (Atopic Dermatitis) | Environmental or food allergies causing itchy skin, ear infections, paw licking | French Bulldogs: among the highest rates of any breed (~30%+). Shih Tzus also predisposed | Apoquel or Cytopoint: $50–$150/month. Allergy testing: $300–$600 |
| Intervertebral Disc Disease (IVDD) | Disc degeneration or herniation in the spine, causing pain, weakness, or paralysis | French Bulldogs: high risk due to chondrodystrophic build. Shih Tzus: moderate risk | Conservative: $1,000–$3,000. Surgical decompression: $3,000–$8,000+ |
According to the Merck Veterinary Manual, brachycephalic breeds require special attention to heat regulation, exercise limits, and anesthesia protocols. If your French Bulldog and Shih Tzu mix inherits a very short muzzle from both parents, they will need the same precautions as a purebred Frenchie: no exercise in temperatures above 80°F (27°C), a harness instead of a collar to reduce airway pressure, and a veterinarian experienced with brachycephalic anesthesia if surgery is ever needed.
Health Screening You Should Require from a Breeder
A responsible breeder of French Bulldog and Shih Tzu mixes should provide:
- OFA or PennHIP hip evaluation for both parent dogs
- OFA patella (knee) evaluation
- Canine ophthalmologist (CERF) eye exam within the past 12 months
- Brachycephalic airway assessment or acknowledgment of BOAS risk
- DNA screening for degenerative myelopathy (DM) and other breed-relevant markers
Grooming, Exercise, and Daily Care
Grooming by Coat Type
| Coat Type | Brushing | Professional Grooming | Bathing | Annual Cost Estimate |
|---|---|---|---|---|
| Short (Frenchie-type) | 1–2x/week with rubber curry brush | Not typically needed | Every 4–6 weeks | $100–$200 |
| Medium (blended) | 3–4x/week with slicker brush | Every 8–10 weeks | Every 3–4 weeks | $350–$550 |
| Long (Shih Tzu-type) | Daily with pin brush + comb | Every 6–8 weeks | Every 2–3 weeks | $600–$1,000 |
Regardless of coat type, all French Bulldog and Shih Tzu mixes need regular facial fold cleaning if they inherit any wrinkling from the Frenchie side. Use a soft, damp cloth or veterinary-recommended wipe to clean folds 2–3 times per week, drying thoroughly to prevent yeast and bacterial infections. Nail trims every 2–3 weeks and daily tooth brushing (or at minimum, veterinary dental chews) round out the care routine.
Exercise Requirements
This mix is not an endurance athlete. Plan for:
- 30–45 minutes of total daily activity, split into 2–3 short sessions
- Leisurely walks (10–15 minutes each) in cool weather
- Indoor play sessions — tug, puzzle toys, short fetch in a hallway
- Mental enrichment: snuffle mats, frozen Kongs, scent games
Avoid strenuous exercise in any temperature above 80°F (27°C) or below 20°F (-7°C). Brachycephalic dogs overheat rapidly and struggle to thermoregulate. In summer, walk during early morning or evening hours and always carry water.
Cost Breakdown: Purchase Price and Ongoing Expenses
Puppy Purchase Price (2026 Estimates)
- From a responsible breeder: $1,500–$3,500, depending on location, parent health testing, and breeder reputation. Breeders who perform full OFA panels, provide early neurological stimulation (ENS), and offer a written health guarantee typically charge at the higher end.
- From a backyard breeder or online listing: $500–$1,200. These puppies often lack health screening and come with higher long-term veterinary costs. Proceed with caution.
- Rescue/adoption: $200–$600. French Bulldog mixes appear in breed-specific rescues (check French Bulldog Rescue Network and Shih Tzu rescue organizations) and general shelters. Availability is less predictable, but you may find an adult dog whose temperament and health are already known.
First-Year Cost Estimate
| Expense Category | Low Estimate | High Estimate |
|---|---|---|
| Puppy purchase | $1,500 | $3,500 |
| Initial vet visits (vaccines, spay/neuter, microchip) | $500 | $1,200 |
| Food (high-quality small-breed formula) | $250 | $500 |
| Grooming | $100 | $1,000 |
| Supplies (crate, harness, bed, toys) | $200 | $500 |
| Pet insurance (annual premium) | $350 | $700 |
| Total first year | $2,900 | $7,400 |
Pet insurance is strongly recommended for this mix. Given the BOAS and IVDD risk from the Frenchie side, a single emergency surgery can exceed $5,000–$8,000. Enroll while your dog is young and healthy — pre-existing conditions are excluded by all major insurers.
Who Is This Mix Best Suited For?
The French Bulldog and Shih Tzu mix thrives in specific living situations. Here's a practical framework for deciding if this dog fits your life.
Ideal Owner Profile
- Living situation: Apartments, condos, and small homes are well-suited. This mix doesn't need a yard and does fine with leash walks and indoor play.
- Time at home: Someone who works from home, is retired, or can arrange midday visits. This mix does poorly when left alone 8+ hours daily.
- Activity level: Low to moderate. If you're a runner or hiker looking for a trail companion, this is not the right dog. If you enjoy short neighborhood strolls and couch evenings, it's a great match.
- Family composition: Generally good with children aged 6+ who understand how to handle small dogs gently. Not recommended for toddlers who may accidentally injure a small, compact dog.
- Experience level: Suitable for first-time owners, but be prepared for potential stubbornness in training. Patience and consistency matter more than experience.
- Budget: Comfortable spending $1,500–$3,000+ annually on routine care, with the financial capacity (or insurance) to cover a $5,000+ emergency.
Who Should Consider a Different Breed
- Owners in hot climates (Arizona, Texas, Florida summers) who want an outdoor-active dog — brachycephalic anatomy makes heat dangerous
- Families wanting a dog that can accompany them on long hikes, runs, or swimming outings
- People who work 10+ hour days away from home without pet care arrangements
- Those seeking a guaranteed low-shedding or hypoallergenic dog — this mix is not predictably hypoallergenic
Frequently Asked Questions
What two breeds make up the French Bulldog and Shih Tzu mix?
This designer cross is produced by breeding a purebred French Bulldog with a purebred Shih Tzu. The French Bulldog contributes a stocky, muscular build, bat ears, and a playful personality. The Shih Tzu contributes a longer coat possibility, gentle disposition, and slightly smaller frame. The resulting mix is a small companion dog, typically weighing 12–20 lb (5.5–9 kg).
How big will a French Bulldog and Shih Tzu mix get?
Most adults fall between 12–20 lb (5.5–9 kg) and stand 10–12 inches (25–30 cm) at the shoulder. Some Frenchie-leaning individuals may reach up to 25 lb (11 kg), while Shih Tzu-leaning dogs may stay as small as 10 lb (4.5 kg). You can usually estimate adult size by 16 weeks — multiply the puppy's weight at that age by roughly 2.5 for a ballpark figure.
What will the temperament be like?
Expect an affectionate, people-oriented companion that enjoys being near their family at all times. Most are friendly with strangers and other pets when properly socialized. The Frenchie side may contribute playful stubbornness and clownish behavior, while the Shih Tzu side tends to add gentleness and calm. Individual temperament varies — meeting the parent dogs (or at least the mother) gives the best preview.
Is the French Bulldog and Shih Tzu mix hypoallergenic or low-shedding?
No, this mix cannot be guaranteed hypoallergenic. If the puppy inherits the Shih Tzu's hair-like coat, shedding will be minimal — but the Frenchie's short coat sheds moderately. F1 puppies are unpredictable in coat type. If low shedding is a priority, ask the breeder about coat type in the specific litter, or consider an F1B backcross to a Shih Tzu for a higher probability of a longer, lower-shedding coat. No dog is truly hypoallergenic — allergic reactions are triggered by dander and saliva proteins, not just fur.
What health issues might this mix inherit?
The most significant shared risk is Brachycephalic Obstructive Airway Syndrome (BOAS), since both parent breeds have shortened skulls. Other inherited risks include hip dysplasia, patellar luxation, eye conditions (cherry eye, dry eye, cataracts), allergies/atopic dermatitis, and Intervertebral Disc Disease (IVDD). Responsible breeding with health-tested parents reduces but does not eliminate these risks. Consult your veterinarian about a screening plan tailored to your dog's specific anatomy.
How much does a French Bulldog and Shih Tzu mix cost?
From a responsible breeder in 2026, expect to pay $1,500–$3,500 for a puppy with health-tested parents and a written guarantee. Backyard breeders may charge $500–$1,200 but typically skip health screenings. Adoption through a rescue costs $200–$600. First-year total expenses (including purchase, vet care, food, grooming, and supplies) typically range from $2,900–$7,400.
Can this mix live in an apartment?
Yes — this is one of the better apartment-friendly designer mixes. Their low-to-moderate energy level, small size, and preference for indoor companionship make them well-suited to apartment living. Just ensure you can commit to 2–3 short daily walks and provide mental enrichment indoors.
How long do French Bulldog and Shih Tzu mixes live?
Expect a lifespan of 10–15 years. The Shih Tzu parent breed is notably long-lived (up to 18 years in some lines), while the French Bulldog averages 10–12 years. The mix typically falls somewhere in the middle. Maintaining a healthy weight, managing airway health, and providing regular veterinary care are the most impactful things you can do to maximize longevity.
Sources: American Kennel Club breed standards, Merck Veterinary Manual, Orthopedic Foundation for Animals (OFA) breed statistics. Always consult your veterinarian for health decisions specific to your dog.
Priya Sutaria
All our authors care for dogs every day — read more of their work on the authors page.
