Gynaecology drugs Flashcards
What is clomifene used for?
treatment of subfertility in PCOS
What does clomifene do?
It is a selective estragen receptor modulator that inhibits oestrogen receptors in the hypothalamus providing negative feedback on gonadotrophin release causing increased FSH and LH helping increase oestrogen production and follicle development and eventually ovulation
When does ovulation occur after clomifene?
Typically 6-7 days after the course
What are the indications for tamoxifen?
anovulatory infertility and oestrogen receptor positive breast cancer
Which cancer does tamoxifen increase the risk of?
Endometrial
What kind of drug is tamoxifen?
Selective Estragen receptor modulator (like clomifene)
What kind of drug is ullipristal?
Selective progesterone receptor modulator
What kind of drug is clomifene?
selective oestrogen receptor modulator
What is the mechanism of action for mefanamic acid?
NSAID -inhbits COX and therefore prostaglandin synthesis - used for menstrual pain and bleeding
What is the mechanism of action for tranexamic acid?
inhibits plasminogen activator so that plasmin isn’t converted to plasminogen and doesn’t break down clots