Bacterial infections such as pneumonia often cause pleurisy. It can also be caused by a virus such as the flu, or by a fungus. Some other things that can cause pleurisy to strike are: Lung cancer. A blood clot in the lung. Other types of cancer that affect the lungs or pleura.
FDA Code of Federal Regulations for Hexylene Glycol and Dipropylene Glycol. Butylene Glycol, Hexylene Glycol, Ethoxydiglycol and Dipropylene Glycol may be used in cosmetics and personal care products marketed in Europe according to the general provisions of the Cosmetics Regulation of the European Union.
The FDA approved BG as a direct food additive as a flavor solubilizer. It has also been granted several indirect additive approvals.[2] The use of butylene glycol in cosmetics has been reviewed by the Cosmetic Ingredient Review of the Cosmetic, Toiletry and Fragrance Association (CTFA). That report concluded that BG was safe as presently used in cosmetics.[3] [1] www.epa.gov. [2] www.fda.gov; Federal Register, Vol. 62, No. 92, May 13, 1997; Part 172.