example 5 use the result of example 3 to find the average rate of change of from 3 to 0 the average rate of change of from 3 to 0 is a 0 3 3 1 a difference quotient can also be used to define a function that allows us to determine the average rate of change
This is called post-nasal drip. When this happens, individuals will feel chest pain and other symptoms of chest congestion aside from the allergy symptoms. Treatment of chest congestion caused by seasonal allergies is related to the treatment of the allergy.
Lung Allergy Symptoms. Overview. Sometimes the immune system perceives a threat and reacts in a variety of ways. A respiratory or lung allergy causes symptoms directly reflected in how a person breathes. Pollen, a major trigger for asthmatics, stimulates white blood cells to release a substance called histamine. This irritating substance produces a stuffy nose and itchy, watery eyes.