Post Nasal Drip
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Canine post nasal drip is a condition in which your dog's sinuses produce a vast excess of mucus, which then drains down the back of his or her throat instead of being passed into the nasal cavity where it can later be expelled. It's a frustrating condition that causes an almost constant sense of irritation in the back of the throat and in addition to increasing the likelihood of infections and sore throats, it can add a lot of stress to your dog's life that could cause him or her to act out in unusual and unwanted ways.
The number of potential causes of canine post nasal drip is vast. It can be instigated by basic respiratory diseases such as rhinitis and sinusitis, or it could develop as the result of trauma to the throat and sinuses such as acid reflux disease or a particularly bad instance of airway blockage. It's even possible for allergic reactions to food, medication, or something in the environment to cause canine post nasal drip to occur. [...]