Levonorgestrel BP: A Comprehensive Review of Its Safety and Side Effects

alt Jun, 18 2023

Introduction to Levonorgestrel BP

As a health-conscious individual, I am always on the lookout for information about medications and their effects on the body. Today, I would like to share my findings on Levonorgestrel BP, a hormone commonly used in emergency contraception and other birth control methods. In this comprehensive review, I will discuss its safety and side effects, so that you can make informed decisions about your reproductive health.

Understanding How Levonorgestrel BP Works

Before delving into the side effects and safety of Levonorgestrel BP, it's essential to understand how it works. Levonorgestrel is a synthetic progestin hormone that primarily prevents pregnancy by inhibiting ovulation, the release of an egg from the ovary. Additionally, it thickens cervical mucus to make it more difficult for sperm to reach the egg and alters the lining of the uterus, making it less likely for a fertilized egg to implant and develop.

Common Side Effects of Levonorgestrel BP

As with any medication, Levonorgestrel BP can cause side effects. Some common side effects include:

1. Nausea and Vomiting

Many individuals may experience nausea or vomiting after taking Levonorgestrel BP. This is because the hormone can cause stomach irritation, leading to these symptoms. Drinking plenty of water and eating a light meal before taking the medication may help reduce the severity of nausea and vomiting.

2. Irregular Menstrual Bleeding

Levonorgestrel BP can cause changes in menstrual bleeding patterns, such as heavier or lighter bleeding, spotting, or a missed period. These changes are usually temporary, and your menstrual cycle should return to normal within a few months of discontinuing the medication.

3. Breast Tenderness

Some individuals may experience breast tenderness or swelling after taking Levonorgestrel BP. This is due to hormonal fluctuations and should resolve within a few days.

4. Headaches and Dizziness

Headaches and dizziness are common side effects of Levonorgestrel BP. These symptoms are usually mild and can be managed with over-the-counter pain relievers and rest.

5. Fatigue

Levonorgestrel BP can cause fatigue, making you feel tired or weak. It's essential to get adequate rest and maintain a healthy diet to help manage these symptoms.

Rare but Serious Side Effects

Although uncommon, there are some rare but serious side effects associated with Levonorgestrel BP:

1. Severe Allergic Reactions

In rare cases, individuals may experience a severe allergic reaction to Levonorgestrel BP, characterized by symptoms such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat. If you experience any of these symptoms, seek immediate medical attention.

2. Ectopic Pregnancy

Although Levonorgestrel BP is effective at preventing pregnancy, it does not prevent ectopic pregnancies, which occur when a fertilized egg implants outside the uterus, usually in the fallopian tube. Ectopic pregnancies can be life-threatening and require immediate medical attention. Symptoms include severe abdominal pain, shoulder pain, and vaginal bleeding.

3. Blood Clots

While rare, Levonorgestrel BP may increase the risk of blood clots, which can lead to serious complications such as deep vein thrombosis, pulmonary embolism, or stroke. If you experience symptoms such as severe leg pain, sudden shortness of breath, or sudden severe headache, seek medical attention immediately.

Precautions and Contraindications

Before taking Levonorgestrel BP, it's important to discuss your medical history and any medications you're currently taking with your healthcare provider. Levonorgestrel BP may not be suitable for individuals with certain medical conditions, such as uncontrolled high blood pressure, liver disease, breast cancer, or a history of blood clots. Additionally, some medications, such as certain anticonvulsants, HIV medications, and St. John's wort, can reduce the effectiveness of Levonorgestrel BP.


Levonorgestrel BP is a widely used emergency contraception method that has been proven effective in preventing pregnancy. However, like any medication, it comes with potential side effects and risks. By being aware of these side effects and discussing any concerns with your healthcare provider, you can make informed decisions about your reproductive health and ensure the safe use of Levonorgestrel BP.

Write a comment