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.
How Allergies Work. Extreme allergic reactions may include difficulty breathing and anaphylactic shock. The exposure-reaction time can vary depending on your body (how well you handle the exposure) and the allergen you were exposed to. In a mild case, you may only have mild itching or swelling.