Pharmacology Flashcards
Misoprostol: MOA?
Prostaglandin E1 analog, causes cervical ripening and uterine contractions
Misoprostol: indications?
Induction of labor, inevitable spontaneous abortion,
medical abortion
Mifepristone: MOA?
Progesterone receptor antagonist, causes: 1) necrosis of decidual layer, detachment of implanted embryo, 2) cervical ripening
Mifepristone: indications?
Medical abortion
Dopamine agonists
Bromocriptine
Cabergoline
Pergolide
Letrozole: MOA?
Aromatase inhibitor
Letrozole: indications?
Induction of ovulation
Clomiphene citrate (Clomid): MOA
Estrogen receptor antagonist
Clomiphene citrate (Clomid): indications
Induction of ovulation
Hormone therapy: MOA
Low dose estrogen
Hormone therapy: indications
Menopausal symptoms, e.g. hot flashes, sleep disturbances, vaginal dryness
Ethinyl estradiol: MOA
Synthetic estradiol in pill, patch, ring
Conjugated estrogens: MOA
Naturally occurring estrogens
Conjugated estrogens: indications
Hormone therapy
Medroxyprogesterone: indications
Contraception: IM progestin injection every 3 months
[Note: delay in return of fertility]
Tx for endometriosis
Levonorgesterol: MOA
Progesterone receptor agonist
Thickens cervical mucus, preventing sperm transport