Levonorgestrel emergency contraception - Benefits, dosage and side effects

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Levonorgestrel emergency contraception - Benefits, dosage and side effects
Levonorgestrel emergency contraception - Benefits, dosage and side effects

Levonorgestrel emergency contraception is a hormone preparation used to prevent pregnancy. This type of hormonal contraception will slow or prevent ovulation, so that fertilization does not occur

Levonorgestrel is a type of synthetic progesterone. Unlike normal birth control pills, these drugs are not intended for routine use and are only effective when used at the right time.


Levonorgestrel emergency contraception also cannot prevent transmission from sexually transmitted diseases, such as chlamydia, gonorrhea, or HIV.

Emergency contraceptive levonorgestrel trademark: Mainstay Postpil, Exita, Microlut, Postinor-2, Valenor 2

What is Emergency Contraceptive Levonorgestrel

Class Prescription drugs
Categories Hormone preparations
Benefits Prevent pregnancy
Used by Adult women
Levonorgestrel for pregnant and lactating women Category N: Not yet categorized. Levonorgestrel emergency contraception should not be used by pregnant women, because it can cause various pregnancy complications such as sepsis, ectopic pregnancy, miscarriage, and premature birth.

Levonorgestrel can be absorbed into breast milk. If you are breastfeeding, do not use this medicine without consulting your doctor beforehand.

Medicine form Tablets

Warning Before Taking Levonorgestrel Emergency Contraception

Levonorgestrel should only be used according to a doctor's prescription. There are several things to consider before taking levonorgestrel emergency contraception, namely:

  • Tell your doctor about any allergies you have. Levonorgestrel should not be used by patients who are allergic to this drug or to other synthetic progesterones, such as progestins.
  • Tell your doctor if you have unexplained vaginal bleeding.
  • Tell your doctor if you and your family have or are currently suffering from endometriosis, diabetes, depression, high blood pressure, osteoporosis, kidney disease, liver disease, lupus, migraines, asthma, breast cancer, epilepsy, or thromboembolic disease, such as pulmonary embolism or deep vein thrombosis.
  • Tell your doctor if you are taking certain medications, supplements or herbal products.
  • Levonogestrel emergency contraception should not be used by pregnant women. Tell your doctor if you are planning a pregnancy or are breastfeeding.
  • Do not smoke or consume alcoholic beverages while using levonogestrel emergency contraception, as this may increase the risk of side effects.
  • See your doctor immediately if you overdose or have serious side effects after taking levonorgestrel.

Dosage and Instructions for Use of Emergency Contraceptive Levonorgestrel

Levonorgestrel emergency contraception is used as an emergency contraceptive. This drug is effective in preventing pregnancy if used immediately after sexual intercourse. The dose is 1.5 mg, taken within 0–72 hours after sexual intercourse.

The alternative dose is 0.75 mg, taken 0–72 hours after sexual intercourse, followed by 0.75 mg, 12 hours later.

How to Take Levonorgestrel Emergency Contraception Correctly

Follow the doctor's advice and read the information on the medicine package. Do not increase or decrease the dose without consulting your doctor first.

Take emergency contraception levonorgestrel within 0–72 hours after sexual intercourse to be effective. Emergency contraceptive levonorgestrel can be taken with or without food.

If you experience vomiting within 2 hours of taking levonorgestrel, contact your doctor. You may need to take levonorgestrel again.

Please note that levonorgestrel can cause spots or blood spots to appear for several days after the drug is taken. Call your doctor immediately if the condition lasts for more than 7 days.

Levonorgestrel can also cause your next period to be faster or slower than usual. If your period is late for more than 7 days, immediately go to the doctor to find out the cause of the delay in menstruation.

Store levonorgestrel in a closed container in a cool and dry place. Keep this medicine away from direct sunlight and keep this medicine out of reach of children.

Interaction of Emergency Contraceptive Levonorgestrel with Other Drugs

Drug interaction effects that can occur if levonorgestrel is used with certain drugs include:

  • Decreased levels and effectiveness of levonorgestrel when used with clarithromycin, bexacaroten, barbiturates, bosentan, phenytoin, efavirenz, diltiazem, itraconazole, ketoconazole, ritonavir, rifampicin, carbamazepine, griseofulvin, verapamil, or John's supplements's
  • Increased risk of blood clots forming that can clog arteries when used with carfilzomib or tranexamic acid
  • Increased levels of ciclosporin in the blood

Side Effects and Dangers of Emergency Contraceptive Levonorgestrel

Side effects that may occur after taking levonorgestrel are:

  • Nausea or vomiting
  • stomach ache
  • Exhaustion
  • Dizziness or headache
  • The amount of menstrual blood is less or more than usual
  • Breast hurts
  • Bleeding outside of menstruation
  • Diarrhea

Immediately see a doctor if the above side effects do not improve or get worse. Go to the doctor immediately if you experience an allergic reaction to the drug or serious side effects, such as:

  • severe lower abdominal pain, occurring 3–5 weeks after taking levonorgestrel
  • Depression
  • severe migraine
  • Abnormal vaginal discharge

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