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,
What to Watch For. 1  Sneezing and nasal discharge, which are the hallmark symptoms of nasal and sinus disease. Other signs may include: 2  Rubbing the nose or pawing at the face. 3  Gagging. Excessive swallowing (from post-nasal drip)  Bleeding from one or both 1  nostrils. A foul smell from the mouth or 2  nose. 3  Pain. Swelling over the bridge of the  nose.