Consumer Price Index. The Consumer Price Index (CPI) program produces monthly data on changes in the prices paid by urban consumers for a representative basket of goods and services. The CPI for All Urban Consumers (CPI-U) is the index most often reported by the national media.
Acute sinusitis is usually caused by a viral or bacterial infection. The common cold, which is caused by a virus, may lead to swelling of the sinuses, trapping air and mucus behind the narrowed sinus openings. Both the nasal and the sinus symptoms usually go away within two weeks.
Sinus Headache Quick Overview. 1  A sinus headache results from inflammation and pressure within the sinus cavities of the skull.  Inflammation of the lining tissues of the sinuses due to infections, allergies, or other irritants causes fluid secretion that can block drainage from the sinuses, causing the sinus pressure within to increase.