[Studies on the pharmaceutical availability of chlortetracycline hydrochloride in selected ointment bases].

Influence of non-ionic tensides on liberation of chlorotetracycline hydrochloride from ointment bases was investigated. Non-ionic tensides were found to enhance liberation of chlorotetracycline hydrochloride from lipophilic ointment bases, while liberation of this antibiotic from hydrophilic ointment bases proved to be depressed.