Since the sympathetic nervous system is responsible for increasing the rate with which the heart beats, by blocking the action of these nerves metoprolol reduces the heart rate and is useful in treating abnormally rapid heart rhythms. Medically Reviewed by a Doctor on 12/3/2014.
Other Symptoms. Other symptoms of a sinus infection include fever; headache, persistent cough; ear pain, pressure, or fullness; eyes may be red, bulging, or painful; and fatigue.
How Long Does Sinus Infection Last. Sinus infections are caused by inflammation that occurs in the sinus and nasal cavities. Typical symptoms of sinus infections include, but are not limited to intense headaches, nasal congestion, a runny nose, facial pain and even toothaches. In order to answer the question âhow long does sinus infection last?â doctors normally try to divide the illness into three broad categories.