According to this celebrated theory, the body contains four humours - blood, phlegm, yellow bile and black bile, a right proportion and mixture of which constitute health; improper proportions or irregular distribution, disease.
If the patient is coughing up phlegm, the cough should be allowed to continue.
As a result, your dog is able to bring up more phlegm when he coughs, and phlegm removal is essential to helping him feel better.
Add some Italian dressing for the phlegm.
Symptoms progressively restrict a person's ability to breathe and include persistent coughing, wheezing, excessive production of phlegm and ongoing shortness of breath.