About Levonorgestrel
Levonorgestrel contains levonorgestrel. Its medication class is progestin hormone. It may be used for emergency contraception in certain products and ongoing contraception in selected pills or intrauterine systems, depending on the exact product, diagnosis and the person’s health profile. Its action depends on the product; it may delay ovulation and change cervical mucus or the uterine environment.
Whether Levonorgestrel is appropriate depends on the diagnosis, exact product and strength, health history, other medicines and available follow-up. A general guide cannot determine whether this treatment is right for you.
Common uses
Approved or recognized uses may vary by formulation, strength, age and clinical setting. This list is not complete.
- emergency contraception in certain products
- ongoing contraception in selected pills or intrauterine systems
How this medication works
This summary explains the mechanism at a general level; it does not provide treatment or dosing instructions.
- Its action depends on the product; it may delay ovulation and change cervical mucus or the uterine environment.
- Brand, strength and formulation can change a medication’s use and risk.
Safety
Side effects and safety considerations
Adverse effects vary between people. The label, Canadian product monograph and a pharmacist’s advice remain the product-specific references.
- Nausea, headache and bleeding changes can occur. The exact product, timing, pregnancy possibility, severe abdominal pain and interacting medicines must be reviewed.
- This page does not replace the product monograph, your pharmacist’s advice or a consultation. It provides no personalized dose and does not confirm that a product is available or appropriate.
LASO MD
What a healthcare professional may review
A request for a Levonorgestrel prescription or renewal begins with an assessment of the indication, expected benefit, risks and required follow-up.
- The exact product, treatment goal, menstrual and pregnancy history
- Blood pressure, smoking or nicotine use, migraine pattern and personal or family clot history
- Breast, liver, cardiovascular and hormone-sensitive health history
- Other medicines and supplements that could reduce effectiveness or increase risk
When to get help quickly
Call 911 for sudden chest pain, shortness of breath, coughing blood, one-sided weakness or trouble speaking. Seek prompt care for a painful swollen leg, sudden vision changes, a new severe headache or heavy unexplained bleeding.