[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
June 1944


Author Affiliations


From the Massachusetts College of Pharmacy, Department of Pharmacy.

Arch Derm Syphilol. 1944;49(6):421-422. doi:10.1001/archderm.1944.01510120035008

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


Crude coal tar is probably one of the most efficient and useful substances employed in the practice of dermatology. Many dermatologists have insisted that their prescriptions for ointments and pastes containing coal tar be dispensed with a black or nearly black color. If this color was not obtained, these practitioners believed that the expected therapeutic results would not be obtained. As a result, by custom and tradition, it has been the practice of many dermatologists in prescribing these formulas to refer their patients to pharmacists who dispense ointments and pastes containing coal tar and zinc oxide with a black or nearly black color. The black color is obtained by mixing the zinc oxide with the coal tar before incorporating any of the base. This procedure is contrary to accepted pharmaceutic technic and usually results in a rather gritty preparation, since there is no opportunity for

First Page Preview View Large
First page PDF preview
First page PDF preview