Why is my horse’s tail dock red and irritated?

Read time: 3 minutes

Overview

A red, irritated tail dock in a horse is often caused by sweet itch, fly bites or rubbing from itching. It can also happen if the skin is a bit sore from sweat, dirt or repeated tail rubbing, so it’s worth checking the area closely rather than assuming it’s just flies.

Things To Check

1. Notice when the rubbing seems worst, such as after turnout, at dusk, during windy weather or after exercise.

2. Look for redness, broken skin, scabs, hair loss, swelling, heat or any discharge around the tail dock.

3. Check whether the tail itself is being rubbed, swished or bitten at more than usual.

4. Feel whether the skin looks dry and flaky, or damp and irritated from sweat, mud or dirty turnout.

5. Check for signs of other itchy areas too, especially the mane, withers, belly or face.

6. Think about any recent changes in turnout, rugs, grooming, bedding or fly control routine.

7. Watch for signs your horse is uncomfortable, such as stamping, constant swishing, tail rubbing on fences or repeated rolling.

Common Causes

Sweet itch is one of the most common reasons for a sore, red tail dock, especially in the fly season. Midges often trigger intense itching, and horses may rub hard enough to make the skin red and damaged.

Fly bites and general summer irritation can also make the tail dock sore, particularly if the horse is sensitive or already scratching at other areas.

Sometimes the problem is more about friction, sweat or dirt. A wet, muddy or dirty tail area can become irritated more easily, especially if the horse is rubbing repeatedly.

Less commonly, skin infections, allergies or other skin conditions may play a part, particularly if the area is very sore, scabby or not settling with routine care.

What To Do

Start by keeping the area clean and dry, and remove any obvious dirt, sweat or debris with gentle routine care. Try to reduce rubbing where you can, and keep a close eye on whether the irritation is getting better or worse.

Review your fly-season routine, especially turnout times, stable management and any measures you already use to reduce exposure to biting insects. If your horse is reacting at certain times of day, that pattern can be useful to note down.

It can help to monitor the tail dock for a few days so you can tell whether the skin is improving, staying the same or becoming more inflamed. If the skin is broken, your horse is very itchy, or the problem keeps coming back, veterinary advice may be sensible.

Products That May Help

For horses dealing with fly-season irritation and sweet itch type rubbing, a summer care collection may be useful as part of your day-to-day management routine.

Horse Fly Sprays & Summer Care

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