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 symptoms of sinus problems can vary widely depending on the type and severity of each patientâs condition, but often significantly affect a patientâs quality of life. 1  Common symptoms include: 2  Facial pain and pressure. 3  Mucous discharge. 4  Nasal obstruction. 5  Fever. 6  Headache. 7  Congestion. 8  Vision disturbances.