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.
Allergies affect millions of people in the United States. Besides a sore throat, they commonly cause fatigue, a runny nose, post-nasal drip and itchy eyes and ears. Allergies are caused by many things, including pollen, grass, mold, dust and pet dander. Allergies are often treated by a class of medications called antihistamines.