pharmacology Flashcards
what is used to categorise the risks of starting different methods of contraception and what are the categories
UKMEC 1-4
1 - no restriction in use
2 - benefits outweigh risk
3 - risks outweigh benefit
4 - unacceptable risk (method is contraindicated)
who should avoid the copper coil as a method of contraception
patients with wilsons disease
what is the common contraceptive of choice in epileptic patients and why
injection - COCP is less effective as anti-epileptics increase the metabolism of them
when does fertility return after giving birth
21 days
give an example of a combined oral contraceptive pill
microgynon, yasmin
MOA of combined oral contraceptive pill
prevents ovulation, thickens cervical mucus to block sperm, thins endometrial lining to prevent implantation
who is COCP contraindicated in
women with migraine with aura
what does the COCP give patients an increased risk of - and so what should be monitored
blood clots, stroke, MI
monitor BP and need smoking cessation
name some advantages of the COCP
regulates cycle, reduces pain and heavy periods, can improve acne, reduces risk of ovarian and endometrial cancer
what kind of contraception is the patch
combined
how does the contraceptive patch work logistically
patch applied to the skin, change once a week for 3 weeks and then have a week break
what kind of contraception is the vaginal ring and how is it used
combined
one worn for 3 weeks, then removed for 1 week and replaced with a new one
name some disadvantages of the vaginal ring
vaginal irritation and discharge
can cause discomfort during sex
give some names of progesterone only pills
cerazette, desogestrel
how is the progesterone pill taken
once a day at the same time
no break
what contraceptive should be avoided in patients who have had breast cancer
all hormonal - stick to condoms and copper coil instead
what contraceptive should be avoided in patients with cervical or endometrial cancer
IUS
when can you be started on a COCP after birth
after 6 weeks in breastfeeding women
when can a copper coil or IUS be started after birth
inserted either within 48hrs or after 4 weeks after birth
but not in between!!
when can the implant be started after birth
any time
when can the progesterone only pill be started after birth
any time
MOA of progesterone only pills
thickens cervical mucus, suppress ovulation
what is a disadvantage of progesterone only pill
can cause irregular bleeding patterns
what kind of contraception is the injection
progesterone only
