Adolescent Medicine Flashcards
What is the average age of first intercourse in Canadian Teens
16.5
Age of sexual consent in Canada
16
14-15 can consent with someone 5 years older
12-13 with 2 years old
( Must not be position of authority)
What is recommended first line contraception
Long acting reversable contraception (IUDS!)
What is the typical use failure rate for IUDS
0.2% for hormonal, 0.8% for copper
Typical use failure rate for OCP, depo
6% of depo, 9% for combined and progesterone only pill
Typical use failure rate for male condoms and withdrawal
21% for condoms, 22% for withdrawal
What is the failure rate for OCP plus condom
2%
How does progrestin cause contraception
Thickens cervical mucus
alter tubal transport time
inhibit ovulation
What are drugs that CAUSE contraception to fail
anticonvulsants- carbamazepine, phenobarb, phenytoin, topiramate
antivirals
antifungal
RIFAMPIN
st jonhs wart
What are drugs that fail due to OCPs
lamotrigine
salicylic acid
parecetamol
morphine
Drugs that dont interact with OCP
valproic acid
ethosuximide
keppra
clonazepam
pregabalin
Absolute CI to OCP
uncontrolled HTN (systolic > 160 and diastolic>100
current or past history of VTE (stroke, PE, MI)
ishcemic heart disease
complicated valuvalr heart disease
migraine headache with aura
breast cancer (current)
diabets WITH complications
severe cirrhosis
liver tumor
Absolute contraindication to progestin only pill
Breast cancer within the last 5 years
What to do if you mised 1 birht control pll
Take as soon as remember, no back up needed
What to do you if you miss 2 birth contorl in a row
Use back up
Take 2 pills the day you remember
What to do you if you miss 3 birth contrl pills in a row
Start a new pack, use back up
What dose of estradiol do you recommend for OCP
30-35 mcg because below 30 associated with poorer bone mineralization in youth
Is a preg test mandatory before emergency contraception
No
Whats the most frequently reported STI in Canada
Chlamydia
Fitz hugh Curts syndrome
RUQ pain
fever
nausea
vomiting
Usually caused by chlamydia
Reiter Syndrome
sexually acquired reactive arthritis
chlamydia
male
1mo post chlamydia infection
arthritis, rash on soles and penis, conjunctivitis
STI risk factors
under 25
no condom use
contact with someone known to ahve sti
new partern
over 2 partners in last year
serial monogamy
IVDU
any drug use
previous TI
sex workers
survival sex
street involvement
anonymous sex
sexual assault
Who should you screen for C + G
all sexually active under 25 regardless of rf
once er year, more often if risk factors
every 6mo if previous infection
What all should you screen for in a sexually active youtih with no other risk factors
C and G
syphyllis
HIV
When to collect NAAT for test of cure
wait 2-3 weeks agter treatmnet
how to treat a patient with STI symptoms
empirically
ceftriaxone 250mg IM single dose plus azithromycin 1g PO single dose
preferred chlamydia treatment
azithro 1g PO once
OR
Doxy 100mg PO BID for 7 days
Gonorrhea treatment
Have to treat for chlamydia too
Ceftriaxone 250mg IM once PLUS azithro 1g ONCE
Cefixime 800mg po once pLUS azithro 1g ONCE
When to do follow up testing for C and G
C- NAAT 3-4 weeks post treatment, recommended when compliance is uncertain, second-line treatmen twas used, re-expsure risk is high, pregnant
G- culture 3-7 days post treatmnet or NAAT 2-3 weeks post treatmnet IF complicance uncertain, second line, high re-exposure risk, pregnant, antimicrobial resisttance is a concern, previous treatmnet failure, pharyngeal or rectal infection, infection isdisseminated, persistent signs and symptoms