A 42-year-old woman reveals an intake of medications. Which medication if reported by the client would alert the nurse to the need to assess the client for thrombophlebitis?

A. Antidepressant: Antidepressants are not typically associated with a high risk of thrombophlebitis. B. Antihypertensive: Antihypertensives generally do not increase the risk of thrombophlebitis. C. Oral contraceptive: Oral contraceptives are known to increase the risk of thrombophlebitis due to their effect on blood clotting factors. D. Antilipid agent: Antilipid agents, such as statins, do not commonly cause thrombophlebitis.