The most obvious sign of IAD is an intolerance to exercise. If IAD is present, the horse will perform poorly and recovery will take longer. The symptoms include: ● A raspy cough that is often present post-exercise — so watch out for it after you’ve ridden your horse. ● Delayed recovery of respiratory rate after exercise — know what level of puffing is normal for your horse, so you’re aware if this changes and he begins to take a lot longer to recover than normal. ● White discharge from the nostrils after exercise — this liquid will appear in his nose, so check for it after riding. You may spot it when you’re taking off his bridle. ● General fatigue and listlessness — if he suddenly seems to be off colour, his breathing may be the reason behind it.
If IAD is present it will show up in a cough after exertion