Pillar · Conditions

What's wrong with your dog — and what actually helps.

Plain-English guides to hip dysplasia, arthritis, IVDD, cruciate disease, and the supplements, beds, and mobility tools that make daily life easier.

A grey-muzzled senior dog being examined by a veterinarian during a check-up — Photo: Tima Miroshnichenko / Pexels

Latest guides

A young German Shepherd puppy lying on a tiled kitchen floor and looking up, the age at which a PennHIP distraction index can first be measured

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PennHIP vs OFA: Which Hip Screening, at What Age, and What It Does to Your Insurance

OFA grades one hip-extended film at 24 months; PennHIP measures laxity from 16 weeks. Of dogs OFA called normal, 80% had a distraction index of 0.30 or more. Which test, when, and why to insure first.

27 min read

A dachshund puppy in a harness walking through autumn leaves, the age at which its discs are already degenerating and calcifying, years before any sign an owner could notice

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When Does IVDD Start in Dachshunds? Years Before the First Episode

The disc disease starts before a dachshund's first birthday, calcifications peak at about two, and the first episode arrives at five or six. The studies that measured it, by age, in one table.

19 min read

A German Shepherd walking away along a dirt path, hindquarters and rear paws in motion — the view from which a hind paw that scuffs or knuckles is easiest to spot

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My Dog Is Knuckling Over on One Back Paw — How Worried Should I Be?

Knuckling is a nerve sign, not a muscle one. What a curled-under hind paw means, the two-second test your vet will run, the four causes to separate, and why this sign should not wait.

19 min read

An older German Shepherd lying on an indoor floor while a person crouches beside him with a hand resting on his shoulder, the everyday scene in which an at-risk DNA result actually gets read

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My Dog's DM Test Came Back "At Risk." What Does That Actually Mean?

An at-risk SOD1 result is not a diagnosis and not a forecast. What the three DM genotypes mean, what the 60% figure actually counted, and what the result is genuinely good for.

19 min read

An older German Shepherd standing squarely on a grassy field, weight even on all four legs — the breed most often represented in degenerative myelopathy case series, photographed at the stage when nothing looks wrong yet

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My Dog's Back Legs Are Giving Out and He Isn't in Pain — What Is Degenerative Myelopathy?

Painless, progressive hind-leg weakness in a dog over eight points at degenerative myelopathy. What the disease is, how it is diagnosed, what the published evidence says about slowing it, and why it gets named late.

34 min read

An older man walking a Labrador Retriever along a straight tree-lined path, the dog a few steps ahead of him — the same route walked the same way each week is the setup that makes a limp comparable from one week to the next.

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Is My Dog's Limp Getting Better, or Am I Just Hoping?

Two people can watch the same dog and disagree. Here is why the eye is a poor instrument for tracking a limp, and what to write down instead: a scored questionnaire, a fixed weekly video, nine counted items.

31 min read

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Why Is My Dog's Muscle Wasting on One Back Leg?

One hind leg thinner than the other usually means the body has been offloading a painful joint for months. Unlike a limp, it is measurable at home. Here is the protocol, and when it is neurologic instead.

23 min read

An older Labrador walking at an easy pace on a leash beside its owner on a park path, the short ordinary daily walk that is the core non-drug treatment for canine arthritis

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How Much Walking Is Right for a Dog With Arthritis?

Exercise is the one part of an arthritis plan that gets prescribed without a number, so it quietly shrinks to nothing. Here is what the canine evidence actually supports, and how to write the dose down.

19 min read

A Labrador Retriever walking on a leash beside its owner along a flat tree-lined path, the whole body in view from the side — the angle you need to actually see a dog's gait

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Is My Dog Limping, or Is It Something Else?

Limping, stiffness, weakness, and wobbling look alike from across a room and mean very different things. How to sort your dog into the right category, and which one is an emergency.

17 min read

A German Shepherd walking beside its owner along a snowy forest path in winter, still on its daily walk in cold weather

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How Cold Is Too Cold for a Dog With Arthritis?

There is no single temperature. The honest evidence that cold worsens canine arthritis is thinner than you have been told, and the three things that actually change in winter are not on the thermometer.

24 min read

A grey-muzzled senior dog — arthritis affects an estimated one in five adult dogs, and most hide it well

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Arthritis in Dogs: Signs, Treatment, and What Actually Helps at Home

How to spot arthritis in dogs early, what veterinary treatment looks like, and the weight, exercise, and home changes that actually reduce pain.

20 min read

A close-up of a dog's face — dogs are wired to hide pain, so the signs are quieter than most owners expect

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How to Tell If Your Dog Is in Pain: The Signs Owners Miss

How to tell if your dog is in pain: the movement, posture, sleep, and facial changes dogs show instead of crying, and what to do once you spot them.

14 min read

A dachshund lying flat — the breed most associated with intervertebral disc disease

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IVDD in Dogs: Stages, Treatment Options, and Realistic Recovery Odds

IVDD in dogs, explained: Hansen type I vs type II, the grading scale vets use, what strict crate rest involves, when surgery is urgent, and honest recovery odds.

20 min read

A large breed dog standing in a veterinary clinic, illustrating the breeds most affected by canine hip dysplasia

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Hip Dysplasia in Dogs: Signs, Treatment, and Why to Ask for a PennHIP Number

An OFA grade and a PennHIP distraction index are not the same test — one sorts hips into seven categories, the other measures laxity as a number. What the disease is, how to catch it early, and what actually helps.

32 min read