Levonelle Flashcards

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1
Q

Indication

A

Within 3 days of unprotected sex

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2
Q

Mechanism

A

Single dose 1.5mg levonorgestrel

Presumed action: prevents ovulation / disrupts implantation

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3
Q

Effectiveness

A

95% if < 24 hours
85% if 24-48 hours
58% if 48-72 hours

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4
Q

CI

A

Pregnancy
Porphyria
May be less effective if on enzyme inducing medication

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5
Q

Side effects

A

PV bleeding (immediately, at menses or later)
Nausea / vomiting
Headache
Breast / pelvic pain

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6
Q

Extra information

A

If vomit within 3 hours, repeat dose with 10mg domperidone or use IUD instead
Abstain until PV bleeding or after taken COCP for 7 days or POP for 2 days
Ideally abstain for 14 days
If > 7 days late / light bleeding / concerned do pregnancy test 3 weeks post pill

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