Patricia Has Been Prescribed Doxycycline for a Chlamydia Infection

Patricia has been prescribed doxycycline for a chlamydia infection. She is healthy and her only medication is an oral combined contraceptive. Patricia's education would include:

A) Use a back-up method of birth control (condom) until her next menses.
B) Doxycycline may cause tendonitis and she should report any joint pain.
C) Her partner will need treatment if her infection doesn't clear with the doxycycline.
D) Doxycycline is used for one-dose treatment of STIs; take the whole prescription at once.