Levonorgestrel
Generic Name: levonorgestrel
Brand Names:
Skyla
11 DESCRIPTION Skyla (levonorgestrel-releasing intrauterine system) contains 13.5 mg of LNG, a progestin, and is intended to provide an initial release rate of approximately14 mcg/day of LNG after 24 days.
Overview
11 DESCRIPTION Skyla (levonorgestrel-releasing intrauterine system) contains 13.5 mg of LNG, a progestin, and is intended to provide an initial release rate of approximately14 mcg/day of LNG after 24 days.
Uses
1 INDICATIONS AND USAGE Skyla ® is indicated to prevent pregnancy for up to 3 years. Replace the system after 3 years if continued use is desired. Skyla is a progestin-containing intrauterine system (IUS) indicated for prevention of pregnancy for up to 3 years. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION • Release rate of levonorgestrel (LNG) is 14 mcg/day after 24 days and declines to 5 mcg/day after 3 years; Skyla must be removed or replaced after 3 years. ( 2.1) • To be inserted by a trained healthcare provider using strict aseptic technique. Follow insertion instructions exactly as described. ( 2.2 ) • Patient should be re-examined and evaluated 4 to 6 weeks after insertion; then, yearly or more often if clinically indicated. ( 2.3 ) 2.1 Dosing Over Time Skyla contains 13.5 mg of levonorgestrel (LNG) released in vivo at a rate of approximately 14 mcg/day after 24 days. This rate decreases progressively to approximately 6 mcg/day after 1 year and to 5 mcg/day after 3 years.
Side Effects
6 ADVERSE REACTIONS The following serious or otherwise important adverse reactions are discussed elsewhere in the labeling: • Ectopic Pregnancy [see Warnings and Precautions ( 5.1 )] • Intrauterine Pregnancy [see Warnings and Precautions ( 5.2 )] • Group A Streptococcal Sepsis (GAS) [see Warnings and Precautions ( 5.3 )] • Pelvic Inflammatory Disease [see Warnings and Precautions ( 5.4 )] • Perforation [see Warnings and Precautions ( 5.5 )] • Expulsion [see Warnings and Precautions ( 5.6 )] • Ovarian Cysts [see Warnings and Precautions ( 5.7 )] • Bleeding Pattern Alterations [see Warnings and Precautions ( 5.8 )] The most common adverse reactions reported (>10% users) are bleeding pattern alterations, vulvovaginitis, abdominal/pelvic pain, acne/seborrhea, headache/migraine, ovarian cyst an...
Interactions
7 DRUG INTERACTIONS No drug-drug interaction studies have been conducted with Skyla. Drugs or herbal products that induce or inhibit LNG metabolizing enzymes, including CYP3A4, may decrease or increase, respectively, the serum concentrations of LNG during the use of Skyla. However, the contraceptive effect of Skyla is mediated via the direct release of LNG into the uterine cavity and is unlikely to be affected by drug interactions via enzyme induction or inhibition.
Warnings
5 WARNINGS AND PRECAUTIONS • Remove Skyla if pregnancy occurs with Skyla in place. If a pregnancy occurs, there is increased risk of ectopic pregnancy including loss of fertility, pregnancy loss, septic abortion (including septicemia, shock and death), and premature labor and delivery. ( 5.1 , 5.2 ) • Group A streptococcal infection has been reported following insertion of LNG IUS; strict aseptic technique is essential during insertion. ( 5.3 ) • Before using Skyla, consider the risks of PID. ( 5.4 ) • Uterine perforation may occur and may reduce contraceptive effectiveness or require surgery. Risk is increased if inserted in lactating women and may be increased if inserted in women with fixed retroverted uteri and postpartum. 4 CONTRAINDICATIONS The use of Skyla is contraindicated when one or more of the following conditions exist: • Pregnancy or suspicion of pregnancy [see Warnings and Precautions ( 5.2 ), Use in Specific Populations ( 8.1 )] • For use as post-coital contraception (emergency contraception) • Congenital or acquired uterine anomaly including fibroids, that distorts the uterine cavity • Acute pelvic infl...
Pregnancy
8.1 Pregnancy Risk Summary The use of Skyla is contraindicated in pregnancy or with a suspected pregnancy and Skyla may cause adverse pregnancy outcomes [see Contraindications ( 4 ), Warnings and Precautions ( 5.1 , 5.2 )]. If a woman becomes pregnant with Skyla in place, the likelihood of ectopic pregnancy is increased and there is an increased risk of miscarriage, sepsis, premature labor, and premature delivery . Remove Skyla, if possible, if pregnancy occurs in a woman using Skyla. If Skyla cannot be removed, follow the pregnancy closely [see Warnings and Precautions ( 5.1 , 5.2 )].
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Skyla (levonorgestrel-releasing intrauterine system), containing a total of 13.5 mg LNG, is available in a carton of one sterile unit. NDC# 50419-422-01 Skyla is supplied sterile. Skyla is sterilized with ethylene oxide. Do not resterilize. For single use only. Do not use if the inner package is damaged or open.
Frequently Asked Questions
What is Levonorgestrel used for?▼
1 INDICATIONS AND USAGE Skyla ® is indicated to prevent pregnancy for up to 3 years. Replace the system after 3 years if continued use is desired. Skyla is a progestin-containing intrauterine system (IUS) indicated for prevention of pregnancy for up to 3 years. ( 1 )
What are the side effects of Levonorgestrel?▼
6 ADVERSE REACTIONS The following serious or otherwise important adverse reactions are discussed elsewhere in the labeling: • Ectopic Pregnancy [see Warnings and Precautions ( 5.1 )] • Intrauterine Pregnancy [see Warnings and Precautions ( 5.2 )] • Group A Streptococcal Sepsis (GAS) [see Warnings and Precautions ( 5.3 )] • Pelvic Inflammatory Disease [see Warnings and Precautions ( 5.4 )] • Perforation [see Warnings and Precautions ( 5.5 )] • Expulsion [see Warnings and Precautions ( 5.6 )] • Ovarian Cysts [see Warnings and Precautions ( 5.7 )] • Bleeding Pattern Alterations [see Warnings and Precautions ( 5.8 )] The most common adverse reactions reported (>10% users) are bleeding pattern alterations, vulvovaginitis, abdominal/pelvic pain, acne/seborrhea, headache/migraine, ovarian cyst an...
Can I take Levonorgestrel during pregnancy?▼
8.1 Pregnancy Risk Summary The use of Skyla is contraindicated in pregnancy or with a suspected pregnancy and Skyla may cause adverse pregnancy outcomes [see Contraindications ( 4 ), Warnings and Precautions ( 5.1 , 5.2 )]. If a woman becomes pregnant with Skyla in place, the likelihood of ectopic pregnancy is increased and there is an increased risk of miscarriage, sepsis, premature labor, and premature delivery . Remove Skyla, if possible, if pregnancy occurs in a woman using Skyla. If Skyla cannot be removed, follow the pregnancy closely [see Warnings and Precautions ( 5.1 , 5.2 )].
What are the important warnings for Levonorgestrel?▼
5 WARNINGS AND PRECAUTIONS • Remove Skyla if pregnancy occurs with Skyla in place. If a pregnancy occurs, there is increased risk of ectopic pregnancy including loss of fertility, pregnancy loss, septic abortion (including septicemia, shock and death), and premature labor and delivery. ( 5.1 , 5.2 ) • Group A streptococcal infection has been reported following insertion of LNG IUS; strict aseptic technique is essential during insertion. ( 5.3 ) • Before using Skyla, consider the risks of PID. ( 5.4 ) • Uterine perforation may occur and may reduce contraceptive effectiveness or require surgery. Risk is increased if inserted in lactating women and may be increased if inserted in women with fixed retroverted uteri and postpartum. 4 CONTRAINDICATIONS The use of Skyla is contraindicated when one or more of the following conditions exist: • Pregnancy or suspicion of pregnancy [see Warnings and Precautions ( 5.2 ), Use in Specific Populations ( 8.1 )] • For use as post-coital contraception (emergency contraception) • Congenital or acquired uterine anomaly including fibroids, that distorts the uterine cavity • Acute pelvic infl...
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.