Why does my dog have clumps of matted fur?

Read time: 3 minutes

Overview

Clumps of matted fur usually happen when loose coat, dirt, moisture or rubbing gets trapped in the coat and starts to tangle. It’s common, especially in longer or thicker coats, and there can be more than one cause at the same time.

The good news is that many mats are manageable once you find what’s causing them and deal with the coat gently. The main aim is to check whether this is a grooming issue only, or whether the skin underneath looks sore, damp or irritated.

Things To Check

1. Look at where the mats are forming. Common areas include behind the ears, under the collar, around the legs, under the armpits and near the tail.

2. Check whether the coat is getting wet often from rain, swimming, muddy walks or a damp bed, as moisture can make tangles tighten quickly.

3. Part the fur and look at the skin underneath. Make a note of redness, scabs, broken skin, heat, swelling or any bad smell.

4. Think about whether your dog is shedding heavily, as loose undercoat can collect into clumps if it is not brushed out regularly.

5. Check for rubbing from a harness, collar, coat or bedding, since repeated friction can encourage matting in the same place.

6. Notice whether your dog is scratching, licking or chewing the area, as that can make the coat more tangled and may point to skin irritation.

7. See whether grooming has been missed recently, or whether brushing is only happening on the top coat and not down to the skin where tangles start.

Common Causes

The most common cause is simple coat build-up, especially in dogs with medium to long hair, curly coats or dense undercoats. Loose hair, dirt and moisture can form tight clumps if they are not brushed out regularly.

Another common cause is friction. Collars, harnesses, bedding and repeated movement in the same area can all create mats, particularly in places where the coat is already thick.

Skin irritation can also play a part. If a dog is licking, scratching or rubbing because the skin is uncomfortable, the coat in that area often becomes tangled more quickly.

Less commonly, mats can form when there’s an underlying skin problem, a parasite issue, or a coat that’s suddenly become harder to manage because of age, reduced mobility or pain.

What To Do

Start with gentle grooming rather than pulling at the coat. Small mats are often easier to deal with if you hold the fur at the base and work slowly from the outside of the tangle. If the mat is tight or close to the skin, it’s usually safer to get help from a groomer rather than risk cutting the skin.

Keep the coat dry where possible and dry it thoroughly after wet walks or washing. Regular brushing that reaches the undercoat can help reduce repeat matting, especially in problem areas.

Check the skin each time you groom so you can spot early signs of irritation. If the same clumps keep returning, it’s worth looking at whether the harness fit, grooming routine or home environment needs a small change.

If your dog is older, less flexible or not keen on being groomed, shorter and more frequent sessions may be easier than one long session.

Products That May Help

A gentle washing and grooming routine can make coat care a bit easier, especially if your dog is prone to tangles, post-walk dirt or a greasy or dry coat. The right products may help support regular home grooming without making the coat feel stripped or sticky.

Pet Care

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