<prompt> 18yr old female complains of recurrent acne all over her face and neck. Which of the following is the preferred drug to be applied topically?MinocyclineOxytetracyclineDemeclocyclineDoxycylcine  <response>: Minocycline is specific tetracycline used for acne and for chronic facial dermatosis. It is too toxic to use systemically. It causes vestibular toxicityRef: HL Sharma 3rded.Pg: 760 