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 Food and Drug Administration (FDA) has classified propylene glycol as an additive that is generally recognized as safe for use in food. It is used to absorb extra water and maintain moisture in certain medicines, cosmetics, or food products. It is a solvent for food colours and flavours.