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Levonorgestrel

Class
Sex hormones
Subclass
Progestins
Substance name
Levonorgestrel
Common formulations
Tablet
Contained in
Levonorgestrel / ethinylestradiol (Aviane®, Daysee®, Enpresse®, Lessina®, Portia®)
Dosage and administration
Adults patients
Induction of contraception in females
•
1.5 mg PO once
Alternative
•
0.15 mg PO daily for 91 Days
Other off-label uses
•
Treatment of endometriosis
Indications for use
Labeled indications
Adults
•
Induction of contraception in females
Off-label indications
Adults
•
Treatment of endometriosis
Pregnancy and breastfeeding
Pregnancy
All trimesters • Australia Category: B3
•
Do not use. Evidence of fetal harm in animals.
Breastfeeding
Unlikely to have adverse effects in breastfed infants.
•
Acceptable for use during breastfeeding.
Very low levels in breastfed infants (< 5%).
Unlikely to cause adverse effects in breastfed infants.
No overt adverse effects on lactation reported.
Interactions
Drug(s)
Check Interactions
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