What are the benefits of estrogen therapy?
Decreases vasomotor symptoms, improves vaginal dryness, prevents bone loss.
What is a major risk of estrogen therapy?
Increased risk of thromboembolism and certain cancers.
When is estrogen-only therapy used?
In women without a uterus (hysterectomy).
When is combination estrogen/progestin therapy used?
In women with a uterus to prevent endometrial hyperplasia.
Why must progestin be added for women with a uterus?
Prevents endometrial cancer risk from unopposed estrogen.
What are common adverse effects of estrogen?
Nausea, breast tenderness, fluid retention, headache, clot risk.
What are advantages of transdermal estrogen?
Lower VTE risk, avoids first-pass metabolism, more stable levels.
MOA of combined oral contraceptives?
Inhibit ovulation (suppress LH/FSH), thicken cervical mucus, thin endometrium.
Most effective reversible contraception?
LARCs (IUD, implants).
Absolute contraindication to combined OCs?
Smoking >35 yrs, history of DVT/PE, estrogen-dependent cancer, migraines with aura.
What to do if 1 combined pill is missed?
Take ASAP + next pill at normal time.
What to do if ≥2 pills missed?
Take one ASAP, use backup contraception x 7 days.
Emergency contraception MOA?
Delays ovulation.
When is Plan B most effective?
Within 72 hours.
What does testosterone therapy treat?
Hypogonadism, delayed puberty, muscle wasting.
What is contraindication for testosterone therapy?
Prostate or breast cancer.
What labs must be monitored in testosterone therapy?
PSA, LFTs, Hgb/Hct.
Why must men on sildenafil be screened for cardiac disease?
Because sexual activity increases cardiac workload.
Sildenafil contraindicated with which drug?
Nitrates (causes fatal hypotension).
MOA of tamsulosin?
Alpha-1 blocker: relaxes prostate & bladder neck.
MOA of finasteride?
5-alpha-reductase inhibitor → shrinks prostate over months.
Which BPH class works faster?
Alpha-1 blockers (tamsulosin).
Which BPH class reduces PSA?
Finasteride.
Vitamin D deficiency symptoms?
Bone pain, muscle weakness.