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,
Sinusitis can cause headaches, toothaches, and pain and pressure in the face. 1  Over-the-counter pain relievers can be helpful in managing the pain of a sinus infection and include: 2  acetaminophen. 3  ibuprofen. 4  naproxen. 5  aspirin.