my dog is coughing up phlegmdog coughing up phlegm allergiesdog coughing up white foamy phlegmdog coughing up yellow phlegmdog coughing up green phlegmmy dog has phlegmdog coughing up white mucusdog coughing up clear phlegmdog spitting up white phlegmwhite foamy phlegm in dogsdog coughing up mucusdog coughing up thick white mucus
