14 Photos That Will Tell Why Your Dogs Poke Out Their Tongues

Another reason for frequent heavy breathing can be stress - this is the usual reaction of a canine organism to a stressful situation.

Often this behavior is accompanied by profuse salivation. In this case, you must definitely eliminate the cause of irritation, and over time, your dog will calm down and return to normal.

It is also worth noting that, sticking out the tongue, the dog expresses its positive mood. It can be playful or friendly emotions, the joy of meeting, trying to get a treat or a demonstration of a good relationship.