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.
An allergy to mold and mildew causes sinus headaches and nasal congestion. Headaches and congestion from mold and mildew are the result of a mold allergy, according to the Asthma and Allergy Foundation of America. A mold allergy is defined by MayoClinic.com as an overreaction of the immune system to mold spores.