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 symptoms of acute sinusitis in adults usually follow a cold that does not get better or gets worse after 5 - 7 days. Symptoms include: 1  Bad breath or loss of smell. 2  Cough, often worse at night. 3  Fatigue and general feeling of being ill. 4  Fever. 5  Headache -- pressure-like pain, pain behind the eyes, toothache, or tenderness of the face. 6  Nasal stuffiness and discharge.