03/12/2025
🐾 8 Ways Pain Can Cause Behaviour Problems in Collies (That Most People Miss!)
Border Collies are wonderful dogs — but they’re also one of the breeds most likely to hide pain. And when they do, it often shows up first as behaviour change, rather than something more obvious such as limping or not wanting to play.
I've listed 8 reasons that pain or illness can be a sign your collies is in pain, long before anything physical becomes obvious:
1️⃣ Less tolerance, more reactivity
When a collie’s body is working hard just to stay balanced, they have less patience for everyday stress. This can look like barking, clinginess, irritability or “forgetting” their training.
2️⃣ Increased noise sensitivity
Collies are already prone to sound worries. If a painful movement is triggered by a sudden noise, they can quickly learn to fear or overreact to that sound.
3️⃣ Sensitivity to movement
Hip, spine or soft-tissue pain can make normal movements uncomfortable, especially when calm. This is why collies may grumble when disturbed on the sofa or hesitate to get out of the car.
4️⃣ Poor sleep = poor behaviour
Dogs in pain often struggle to settle. Tired collies cope badly and may develop repetitive behaviours like spinning, shadow chasing or licking.
5️⃣ Changes in emotion
Chronic pain increases stress hormones, making dogs more anxious, jumpy and reactive. Small things feel big when your body hurts.
6️⃣ Guarding and “grumpiness”
Pain makes dogs feel vulnerable. They may guard beds, avoid touch, hide away, or snap when approached — not out of aggression, but self-protection.
7️⃣ Reduced social confidence
Collies in pain may avoid other dogs, stick close to their person, or react defensively if they worry an interaction might hurt.
8️⃣ Illness also plays a role
Gut upset, infection, inflammation or hormonal changes can all affect behaviour too — often before any physical symptoms show.
🩺 When to speak to your vet
Always take notice of:
• new or worsening noise sensitivity
• reluctance with stairs or jumping
• changes in sleep, mood or handling tolerance
• sudden refusal to do as asked
• grumpiness or guarding
• repetitive behaviours
• difficulty concentrating or training regression
Pain doesn’t have to be dramatic to matter.
If your concerns are brushed off by your vet, an ABTC-registered behaviourist can help you gather evidence and advocate for your dog.
The photo is of Esther, who we recently lost due to liver failure. She also suffered from hip dysplasia, and her sudden sound sensitivity to gunshots and reluctance to jump off a car seat first alerted me to the fact that she wasn't well. 💔
This article explains more: https://collieconsultant.co.uk/2025/11/23/how-pain-and-illness-can-cause-behaviour-problems/
