Emergency — phone the vet nowTrue

Dog with a suspected broken leg

Do not attempt to splint or straighten the limb. Keep your dog still and calm, apply a makeshift stretcher if needed, and get to an emergency vet immediately.

Dog

In the next 60 seconds

Stay calm — your dog will take cues from your behaviour. Speak softly and reassuringly.
Do not attempt to straighten, set, or splint the limb. Home splinting almost always makes the injury worse and significantly increases the risk of being bitten.
Muzzle your dog using a commercial muzzle or improvised loop of bandage, lead, or a tie — even the gentlest dog will bite when in severe pain. Do not muzzle if the dog is vomiting, having difficulty breathing, or unconscious.
If the dog must be moved, slide a flat board, a rigid carrier, a sturdy piece of cardboard, or a coat underneath them. Two people should support the body as a single unit — avoid letting the injured limb dangle or bear weight.
If there is an open (compound) fracture where bone is visible, cover loosely with a clean, damp cloth or sterile gauze. Do not push the bone back in or probe the wound.
Control any associated bleeding by applying gentle direct pressure above the wound with clean material — avoid pressing directly on exposed bone.
Keep your dog warm with a blanket to prevent shock and hypothermia.
Call your vet or an emergency veterinary clinic immediately — alert them you are on your way with a suspected fracture so they can prepare pain relief.
If the injury resulted from an RTA, carefully check for other injuries including breathing difficulty, abdominal injury, and neurological signs — report all findings to the vet.

Recognise the signs

Dog is completely non-weight-bearing on the affected limb — holding it off the ground entirely
Obvious abnormal angle, deformity, or visible bone (open/compound fracture)
Rapid swelling, bruising, or haematoma developing around the limb
Crying, yelping, or whimpering — especially when the limb is touched or moved
Crepitus (grating or crunching sound) — do NOT deliberately check for this, as it causes further damage and extreme pain
Extreme reluctance to move; dog may freeze in one position
Muscle trembling or signs of shock (pale gums, rapid weak pulse, collapse) if injury is severe
If caused by RTA: may also show signs of internal injury, breathing difficulty, or head trauma

First aid steps

Stay calm — your dog will take cues from your behaviour. Speak softly and reassuringly.
Do not attempt to straighten, set, or splint the limb. Home splinting almost always makes the injury worse and significantly increases the risk of being bitten.
Muzzle your dog using a commercial muzzle or improvised loop of bandage, lead, or a tie — even the gentlest dog will bite when in severe pain. Do not muzzle if the dog is vomiting, having difficulty breathing, or unconscious.
If the dog must be moved, slide a flat board, a rigid carrier, a sturdy piece of cardboard, or a coat underneath them. Two people should support the body as a single unit — avoid letting the injured limb dangle or bear weight.
If there is an open (compound) fracture where bone is visible, cover loosely with a clean, damp cloth or sterile gauze. Do not push the bone back in or probe the wound.
Control any associated bleeding by applying gentle direct pressure above the wound with clean material — avoid pressing directly on exposed bone.
Keep your dog warm with a blanket to prevent shock and hypothermia.
Call your vet or an emergency veterinary clinic immediately — alert them you are on your way with a suspected fracture so they can prepare pain relief.
If the injury resulted from an RTA, carefully check for other injuries including breathing difficulty, abdominal injury, and neurological signs — report all findings to the vet.

Do NOT

Do NOT attempt to splint, bandage, or straighten the limb at home
Do NOT allow the dog to walk on the limb or bear any weight
Do NOT give any pain relief medications intended for humans — ibuprofen and paracetamol are toxic to dogs
Do NOT probe, palpate, or cause crepitus by manipulating the limb
Do NOT delay getting to a vet in the hope the dog will 'walk it off' — fractures do not resolve without treatment
Do NOT apply ice directly to the skin

While transporting to the vet

When to phone the vet immediately

Open/compound fracture with visible bone — high infection risk
Signs of shock: white or pale gums, rapid weak pulse, collapse, extreme lethargy
Difficulty breathing (especially after RTA — suspect pneumothorax or rib fractures)
Paralysis or loss of sensation in the affected limb (spinal involvement)
Suspected pathological fracture in an older dog — may indicate underlying bone cancer requiring urgent investigation
Bleeding that cannot be controlled with pressure

When it can usually wait

Common causes

Road traffic accidents (RTA) — the most common cause of fractures in dogs
Falls from height (balconies, stairs, jumping from vehicles)
Rough play or collision with another large dog or object
Pathological fractures — bone weakened by cancer, infection, or metabolic disease (especially in older or unwell dogs)
Being accidentally stood on or trapped in a door (small breeds and puppies)
High-impact sporting activities in working or agility dogs

What the vet will need to know

How the injury happened and when
Whether the dog has borne any weight at all since the injury
Whether bone is visible (open fracture)
Any bleeding you have managed and how
Whether muzzle was applied
Any other injuries noted (especially if RTA)
Current medications and any known conditions (important for anaesthetic planning)
Dog's vaccination status (for wound treatment)

Aftercare

Prevention

Keep dogs on a lead near roads at all times
Ensure garden fencing is secure and free of gaps
Use a car harness or crate when travelling — unrestrained dogs suffer severe injuries in accidents
Avoid jumping on/off high furniture, especially in breeds prone to bone disease
Regular veterinary check-ups for older dogs to detect bone disease early
Balanced diet with appropriate calcium and phosphorus ratios — especially important for growing puppies
Avoid over-exercising puppies before growth plates close

Breed-specific notes

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Frequently asked questions

Can a dog walk on a broken leg?

Sometimes, yes — particularly with hairline fractures or fractures of the smaller bones (such as the fibula alone). However, you should never assume weight-bearing means the leg is not broken. Any limping that does not resolve within minutes, especially after a trauma, warrants same-day veterinary assessment.

Should I try to make a splint at home?

No. Attempting to splint a leg at home almost always causes more harm than good. Improperly applied splints can cut off circulation, increase pain, and convert a closed fracture into an open one. The best thing you can do is minimise movement and transport your dog safely to a vet.

How much does it cost to treat a broken leg in the UK?

Treatment can range from approximately £1,500 for a straightforward cast/splint to £5,000–£8,000 or more for complex surgical repair (plating, pinning, or specialist orthopaedic surgery). Pet insurance is strongly advised. Ask your vet for a written estimate before treatment if possible.

Will my dog need surgery for a broken leg?

It depends on the type and location of the fracture, the dog's age, and overall health. Some fractures can be managed with external casting or splinting. Most fractures in active adult dogs — particularly those involving joints — are best treated surgically for optimal long-term outcome.

My dog's leg looked broken but the vet said it was a sprain. Why?

The signs of a severe sprain or ligament injury can closely mimic a fracture — including complete non-weight-bearing and significant swelling. X-rays are the only reliable way to distinguish between the two. In puppies, growth plate injuries can also look like sprains clinically but require careful management.