Research Home>Conditions_and_Diseases>Skin_Disorders>Rosacea>Research     Web Pages Tetracycline Hydrochloride Toxicology and carcinogenesis studies of tetracycline hydrochloride. Ocular Rosacea. Signs, Symptoms, and Tear Studies Before and After Treatment with Doxycycline [Abstract, Jan Arch Dermatol. 1997;133:49-54] (c) AMA 1997