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.
The location of pain and tenderness may depend on which sinus is affected. Other common symptoms of sinusitis include: 1  Headache. 2  Yellow or greenish discharge from the nose or down the back of the throat. 3  Bad breath. 4  Stuffy nose. 5  Cough that produces mucus. 6  Fever. 7  Tooth pain. 8  Reduced sense of taste or smell.