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.
Types of Sinusitis. 1  Acute sinusitis usually starts with coldlike symptoms such as a runny, stuffy nose and facial pain. 2  Subacute sinus inflammation usually lasts 4 to 12 weeks. 3  Chronic inflammation symptoms last 12 weeks or longer.  Recurrent sinusitis happens several times a year.