I canât itch and dissect a frog at the same time. My first memory of the prolonged itching sensation on my arms and neck was during a summer school biology course when I was 14 years old. The distraction of constantly wanting to scratch while trying to focus on cutting up a frog was pure torture.
1 Chronic sinusitis lasts longer than eight weeks or occurs more than four times per year, with symptoms usually lasting more than 20 days. 2  Sinusitis can be caused by viruses, allergens, pollutants, bacteria, and fungi. 3  Symptoms of sinusitis include. 4  runny or stuffy nose,  postnasal drip,
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.