Coal tar can be injurious to health. Coal tar is also used to manufacture paints, synthetic dyes (notably tartrazine/Yellow #5), and photographic materials. In the coal gas era, there were many companies in Britain whose business was to distill coal tar to separate the higher-value fractions, such as naphtha, creosote and pitch. A great many industrial chemicals were first isolated from coal tar during this time. These companies included: Side effects of coal tar products include skin irritation, sun sensitivity, allergic reactions, and skin discoloration. It is unclear if use during pregnancy is safe for the baby and use during breastfeeding is
Prophetic medicine Prophetic medicine Prophetic medicine (, "") refers to the actions and words ("hadith") specifically of the Islamic prophet Muhammad with regards to sickness, treatment and hygiene, and the genre of writings undertaken primarily by non-physician scholars to collect and explicate these traditions. It is distinct from Islamic medicine, in that the latter is a broader category encompassing a variety of medical practices rooted in Greek natural philosophy. Prophetic medical traditions exhort humans to not simply stop at following Muhammad's teachings, but encourage them to search for cures as well. The literature of prophetic medicine thus occupies a symbolic role in