Formaldehyde. Formaldehyde is a known human carcinogen widely used in many consumer products, including building materials, pressed wood, cosmetics, shoe-care products, and textiles. Natural Resources Defense Council's formaldehyde fact sheet.ormaldehyde. Formaldehyde is a known human carcinogen widely used in many consumer products, including building materials, pressed wood, cosmetics, shoe-care products, and textiles. Natural Resources Defense Council's formaldehyde fact sheet.
This is often caused by the blockage or inflammation of the salivary gland duct. Viruses and other medical conditions can also reduce saliva production, including: 1  mumps (a contagious viral infection that is most common among children who have not been immunized). 2  HIV. salivary gland infection typically results from a bacterial infection. Staphylococcus aureus is the most common. Others include: Streptococcus viridans, Haemophilus influenzae, Streptococcus pyogenes, and Escherichia coli.
Another common cause of salivary blockage is the development of an infection that attacks the salivary glands and causes them to swell. Mumps, for example, can cause salivary gland blockage in about 30 to 40 percent of cases.ymptoms of Blocked Salivary Glands. Because the salivary glands throughout the face and neck are responsible for both the production and delivery of saliva to the mouth and throat, salivary gland blockage is usually quite simple to identify.