Non-Oral Formulations Flashcards

1
Q

Transdermal Patch

A
  • A combined hormone contraceptive
  • Available as Ortho Evra (35mg ethinyl estradiol and 150mcg or 200mcg norelgestromin - active form of norgestimate) daily x 21 days, then followed by patch-free week
  • May experience withdrawal bleeding during patch-free week
  • CON = higher exposure to estrogen over time
  • Not very effective in obese patients (over 198 lbs/90 kg)
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2
Q

Vaginal Ring

A
  • Available as NuvaRing (15mcg ethinyl estradiol and 120mch etonogesterel) dayil x 21 days, followed by ring-free week
  • PRO = Less estrogen exposure, so less estrogen-related side effects
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3
Q

Depot Injection

A
  • Available as Depo-subQ Provera [104mg/0.65ml] or Depo-Provera (IM) [150mg/ml]
  • Contains medroxyprogesterone acetate (progestin-only)
  • Given every 3 months
  • CONS = Initially more unpredictable spotting/breakthrough bleeding, weight gain, takes time to get pregnant after stopping, decrease bone density
  • PROS = After 1 year, ammenorhea
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