Nr 566 Final Study Guide Graded A+

How to achieve an extended cycle with oral contraceptives? {Ans: To achieve an extended schedule, the user would simply purchase four packets of a 28-day product (each of which contains 21 active pills) and then take the active pills for 84 days straight.}- Local vs. systemic estrogen options and why one would be chosen over the other {Ans: Intravaginal: Estrogens for intravaginal administration are available as inserts, creams, and vaginal rings. The intravaginal inserts (Imvexxy, Vagifem, Yuvafem), creams (Estrace Vaginal, Premarin Vaginal), and one of the two available vaginal rings (Estring) are used only for local effects, primarily treatment of vulval and vaginal atrophy associated with menopause. The other vaginal ring (Femring) is used for systemic effects (e.g., control of hot flashes and night sweats) as well as local effects (e.g., treatment of vulval and vaginal atrophy). Parenteral: Although estrogens are formulated for intravenous (IV) and intramuscular (IM) administration, use of these routes is rare. IV administration is generally limited to acute, emergency control of heavy uterine bleeding.}Phenytoin drug interactionss {Ans: can decrease the effects of other drugs, including oral contraceptives, warfarin (an anticoagulant), and glucocorticoids (antiinflammatory and immunosuppressive drugs). provider may need to increase the contraceptive