Norgestrel Plus

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Norgestrel Plus

Quick Facts

Property Description
Active ingredients Ethinyl Estradiol and Norgestrel
Form Oral tablet
Pharmacological class Hormonal contraceptive
Common use Pregnancy prevention (Contraception)
Origin Synthetic

What Type of Medication is Norgestrel Plus?

Norgestrel Plus is classified as a Combined Oral Contraceptive (COC), a prescription medication used primarily for pregnancy prevention. It belongs to the high-level pharmacological class of hormonal contraceptives and is supplied as an oral tablet. This classification is used because the drug combines two types of synthetic female hormones—an estrogen and a progestin—to modulate the reproductive cycle.

This medication contains the progestin Norgestrel, which places it within the category of second-generation oral contraceptives. The formulation is well-established in clinical practice, with similar preparations such as Ovral and Low-Ogestrel being widely prescribed, indicating a long track record of medical recognition.


Composition and Origin: Synthetic Hormones for Contraception

The functional core of the medication is its blend of two active ingredients: the estrogenic compound, Ethinyl Estradiol, and the progestin component, Norgestrel. Both are synthetic hormones manufactured to mimic the action of the body's natural hormones. This specific estrogen-progestin combination is critical to the drug’s function and distinguishes it from progestin-only pills, which contain only one hormone type.

This combination is recognized as an effective agent for contraception. This confirmation supports the drug’s use in providing reliable hormonal control. The active ingredients are formulated with solid pharmaceutical excipients to create the final tablet for oral administration.


What is the General Purpose of Norgestrel Plus?

The primary purpose of Norgestrel Plus is to establish effective, systematic contraception. This goal is achieved through its principal physiological effect, which is the inhibition of ovulation, preventing the release of an egg from the ovaries. The synthetic hormones also systematically cause a thickening of cervical mucus, creating a physical barrier that restricts sperm movement, and induce changes to the uterine lining. These coordinated actions collectively fulfill the medication's intended benefit of pregnancy prevention.

What side effects are possible with Norgestrel Plus?

The officially documented safety profile for Norgestrel Plus, a combined oral contraceptive, describes adverse reactions classified by frequency and impact on specific body systems, as defined by government regulatory authorities such as the FDA and EMA. This information establishes the known risks associated with the medication.

Frequency-Classified Adverse Reactions

The most frequently reported effects are categorized by the regulatory bodies:

Classification Examples of Documented Effects
Very Common Headache, irregular uterine bleeding, or spotting (especially during initial cycles).
Common Nausea, abdominal pain, weight increase, breast tenderness, mood changes (including depression).
Uncommon Migraine, fluid retention, decreased libido.

Documented Serious Adverse Reactions

Certain rare but clinically significant reactions are highlighted in official labeling due to their severity. These include Venous and Arterial Thromboembolism (VTE/ATE), which encompasses deep vein thrombosis, pulmonary embolism, stroke, and myocardial infarction. Additionally, Hepatic Neoplasia (benign and malignant liver tumours) is documented as a rare, serious risk associated with this class of medication.

Contextual Safety Notes

The regulatory safety profile includes specific limitations and patterns.

  • Exposure Patterns: Irregular bleeding is noted to be more common during the first few cycles, while the risk of hepatic adenomas increases with the duration of use.
  • Contraindications: Use is strictly prohibited in patients with a history of VTE/ATE or severe hepatic impairment, as these conditions significantly increase safety risk.
  • Smoking Risk: Official documents emphasize that the risk of serious cardiovascular events is substantially increased in women who smoke, particularly in those over the age of 35.

Overdose and Emergency Response

The official regulatory documentation classifies overdose of Norgestrel Plus (a combined oral contraceptive) as generally not likely to be life-threatening. However, immediate professional assessment is always required following suspected ingestion beyond the prescribed dose.

Documented Overdose Manifestations

Overdose is primarily characterized by an escalation of hormonal effects on the body. Regulator-documented signs and symptoms include Nausea, Vomiting, and Vaginal bleeding (or withdrawal bleeding). Other documented manifestations may include Breast tenderness, Discolored urine, Headache, Drowsiness, and Emotional changes. These signs affect the gastrointestinal, genitourinary, and central nervous systems.

Emergency Actions and Required Management

In all cases of suspected overdose, the official guidance mandates that individuals seek emergency medical attention or call the Poison Help line immediately. Urgent medical assistance is specifically required if the person exhibits any severe symptoms, such as chest pain, difficulty breathing, or sudden, severe headache, which may indicate rare, serious complications associated with this class of medication.

Since no specific antidote is known for this overdose, the protocol defined in regulatory sources is focused on providing symptomatic and supportive treatment. This may include continuous monitoring of vital signs and other standard medical procedures.

Therapeutic Uses of Norgestrel Plus

What Norgestrel Plus (Norgestrel/Ethinyl Estradiol) Treats: Main Uses and Benefits

Norgestrel Plus is a combination product whose core therapeutic domain may assist with conception control in patients who choose this option. This medication is applied across domains where additional symptomatic support is needed for various conditions characterized by periods of heightened symptoms related to the menstrual cycle.

Uses commonly include managing symptoms related to physical discomfort associated with heavy or irregular menstruation, addressing inflammatory or irritative states in conditions such as endometriosis, and easing symptoms of increased neurological or muscular activity like those leading to acne. This combination is considered relevant in clinical scenarios involving acute or disruptive symptom patterns, and may be part of symptomatic management when short-term assistance is needed.

The therapeutic goal helps support patients during difficult episodes by easing distress. The product helps maintain a sense of stability when symptoms are more noticeable. As one general benefit is, “provides support that helps ease the overall symptom burden.” By addressing these different symptom clusters, Norgestrel Plus contributes to easing the overall symptom load and supports general well-being during symptomatic phases.


Quick Fact: Relevant for Symptom Clusters

Regulatory References

  1. NIH MedlinePlus information on Ethinyl Estradiol and Norgestrel

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Norgestrel Plus (Norgestrel/Ethinyl Estradiol) — Official Regulatory Information

The eligibility for Norgestrel Plus is strictly defined by regulatory authorities and is intended for females of reproductive potential who do not have specific contraindicating conditions. The medicine is contraindicated and must not be used by several key population groups.

Absolute Contraindications

Use is prohibited for females with a current or past history of venous or arterial thromboembolic disorders (e.g., deep vein thrombosis or pulmonary embolism), cerebrovascular disease, or coronary artery disease. The medicine is also strictly contraindicated in women over 35 years of age who smoke. Females with severe liver tumors, severe cirrhosis, or a known history of breast cancer or other estrogen-dependent neoplasia must not use this medicine. Additionally, it is prohibited for patients with severe diabetes mellitus with vascular disease or migraine headaches with focal neurological symptoms.

Population Restrictions

The medicine is contraindicated in pregnancy and not recommended during lactation. It must be discontinued before and after major surgery or during periods of prolonged immobilization. Use is not indicated for postmenopausal women or for those who have not yet attained menarche.

What should I know about interactions with other medicines?

Norgestrel Plus (Norgestrel/Ethinyl Estradiol) has officially documented interaction patterns that primarily influence its plasma concentrations or the action of co-administered medicines, as detailed in regulatory labeling.

Contraindicated Combinations and Restrictions

Co-administration is strictly contraindicated with certain drug regimens for Hepatitis C, including combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the documented risk of ALT elevations. The combination is also restricted with Oral Tranexamic Acid and Fezolinetant. A key population restriction is noted for cigarette smoking in females over 35 years of age, which significantly increases the risk of serious cardiovascular events when combined with this medication.

Pharmacokinetic and Timing Constraints

Substances that are strong CYP3A4 enzyme inducers, such as Phenytoin, Rifampicin, and the herbal product St. John's wort, can decrease the plasma concentrations of the contraceptive hormones, potentially leading to diminished effectiveness. Conversely, CYP3A4 inhibitors (like certain antifungals) may increase hormone exposure. The bile acid sequestrant Colesevelam is documented to decrease the exposure of Ethinyl Estradiol; this interaction is mitigated by administering the two medications 4 hours apart.

Pharmacodynamic Effects

The estrogen component formally affects the concentration of other substances by increasing serum binding globulins. This requires monitoring and potential adjustment of the dose for replacement therapies, such as thyroid hormone and cortisol. Use with oral anticoagulants may also reduce the anticoagulant effect.

Mechanism of Action

Central Suppression of the Ovulatory Cascade

The combination of the progestin norgestrel and the estrogen ethinyl estradiol acts primarily by engaging hormone receptors in the brain's hypothalamus and pituitary gland. This binding activates a negative feedback signal to the Hypothalamic-Pituitary-Ovarian (HPO) axis, leading to the suppression of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) release. Blocking the necessary surge of these gonadotropins prevents the maturation and release of an egg, which represents the primary physiological consequence of this central action.

Peripheral Modification of Reproductive Tissue

Norgestrel exerts secondary effects by directly modulating hormone receptors in the cervix and endometrium (uterine lining). This mechanistic domain causes the cervical mucus to thicken, resulting in increased viscosity and reduced permeability, which physically impedes sperm movement into the upper reproductive tract. Additionally, it induces endometrial atrophy (thinning), which alters the tissue's receptivity, and this provides a secondary physiological mechanism.

Dosage and Administration Information

How to Use Norgestrel Plus (Norgestrel/Ethinyl Estradiol)

This section outlines the administration protocols for Norgestrel/Ethinyl Estradiol tablets, focusing strictly on the practical use pattern.


Administration Protocol

The medication is delivered through oral administration only. The dosing regimen is a fixed 28-day cycle designed for continuous, long-term use, consisting of 21 active tablets followed by 7 inactive (placebo) tablets.

Feature Guideline
Dose One tablet taken once daily (QD).
Strengths Active tablets contain 0.3 mg Norgestrel and 0.03 mg Ethinyl Estradiol.
Timing The tablet must be taken at the same time each day to maintain a consistent hormone interval not exceeding 24 hours.
Intake Condition Consumption can occur without regard to meals

Cyclic Use and Procedural Constraints

Use is structured around a continuous cyclic pattern where each subsequent 28-day pack must be started immediately after the last pack is finished, always beginning on the same day of the week as the first cycle. Tablets must be consumed in the sequential order directed on the blister packaging to ensure correct hormone delivery.

Prescribing guidelines specify two initiation methods for the first pack: the Day 1 Start (first day of menses) or the Sunday Start (first Sunday after menses begins). Patients initiating with the Sunday Start method are instructed to use an additional non-hormonal contraceptive method for the first seven days of the initial cycle. Specific procedural guidelines are provided for managing missed active tablets, often requiring the use of a non-hormonal back-up method for seven days to maintain the intended usage pattern.

Recent Clinical Evidence

Research evidence / Overview of Studies for Norgestrel Plus (Norgestrel/Ethinyl Estradiol)

Evidence for Use in Pregnancy Prevention (Contraception)

Research exploring the Norgestrel/Ethinyl Estradiol combination as a combined oral contraceptive involves large-scale observational studies and pooled clinical trial data used by regulatory agencies. These studies primarily focused on measuring the rate of pregnancy occurrence and how often this outcome was observed in women who were capable of becoming pregnant. The goal of this research examined the difference between the pregnancy rate reported under perfect use (when the medicine is taken exactly as prescribed) and the rate under typical use (which includes instances of missed doses or delayed timing).

Data show patterns related to a difference in the observed pregnancy rate between perfect use and typical use. Studies reported patterns related to a lower observed rate of pregnancy under perfect use compared to typical use across the combined hormonal contraceptive (COC) class. What remains uncertain is that long-term effects are not fully established for continuous use of this specific formulation over many decades in certain regulatory data sets.


Evidence for Use in Menstrual Symptom Management

The use of this medication's hormonal class was studied in research exploring how symptoms change over time such as painful periods (dysmenorrhea) and heavy menstrual bleeding. The available research includes Randomized Controlled Trials (RCTs) and comprehensive Systematic Reviews that evaluate the broader Combined Oral Contraceptive (COC) group. These studies monitored outcomes related to physical discomfort, specifically measuring changes in pain severity using patient-reported scales, and quantitative or subjective assessments of menstrual blood loss volume.

The research so far indicates that studies monitoring these symptoms often describe patterns where the use of combined hormonal treatments was associated with reported measurements related to changes in pain scores and changes in assessed blood loss volume. The certainty remains low for the isolated findings specific to this Norgestrel/Ethinyl Estradiol formulation, as much of the high-quality evidence is limited and is often generalized from the entire COC class.


What is Still Uncertain in the Research Landscape

One limitation is that many of the high-level findings are often generalized across the entire Combined Oral Contraceptive (COC) class; thus, the specific effect of the Norgestrel/Ethinyl Estradiol combination is often part of a larger pooled analysis. Furthermore, long-term effects are not fully established for continuous use extending beyond intermediate follow-up periods, and comparative evidence is lacking for many non-contraceptive uses when trying to compare this specific formulation against every other available hormonal alternative. Data for certain groups remain insufficient, particularly for older adults.

Key Studies & References

  1. MedlinePlus Drug Information: Ethinyl Estradiol and Norgestrel (Combined Oral Contraceptives)

Frequently Asked Questions (FAQ)

Common questions about Norgestrel Plus (Norgestrel/Ethinyl Estradiol) (FAQ)


Q: What happens if I forget to take a pill?

A: Official guidance is provided for managing missed active tablets, which can vary depending on how many pills were missed and the timing within the monthly pack. These instructions often involve taking the missed pill as soon as possible. In certain situations, the guidance often describes the use of non-hormonal contraception as a back-up method for a specified number of days to help maintain the intended usage pattern.


Q: Is Norgestrel Plus safe to use for a long time?

A: The official labeling describes the drug as being suitable for continuous, long-term use for pregnancy prevention. However, regulatory documents also state that the risk of certain rare, serious effects, such as the development of hepatic adenomas (a type of liver tumor), may increase with the duration of use. Ongoing clinical assessment is typically referenced in the context of continuous use of this or any combined hormonal contraceptive.


Q: Are the side effects of Norgestrel Plus permanent?

A: Side effects described in official literature are generally characterized as reversible, often resolving upon discontinuation of the medication. The exception involves rare, serious adverse events like thromboembolic events (blood clots), which can result in long-term health consequences.


Q: Do studies confirm the effectiveness of Norgestrel Plus?

A: Official documentation references research, including clinical trials and pooled study data, that confirm the effectiveness of this medication. This effectiveness is measured primarily by the rate of pregnancy occurrence observed in women who were capable of becoming pregnant and were using combined hormonal contraceptives.


Q: What are the reasons someone might stop using Norgestrel Plus?

A: Official labeling instructs that the medication must be stopped if a patient experiences a thrombotic event (blood clot) or develops jaundice (a sign of liver issues). Discontinuation is also specified before and after major surgery, or if any medical condition that contraindicates its use is newly discovered.


Q: Does Norgestrel Plus affect liver function tests?

A: Official information describes that the medication, as part of its pharmacological class, has been documented to potentially cause elevations in liver enzyme markers. These changes are typically short-lived and generally return to normal after the medication is discontinued or the dose is modified.


Q: Is it normal to feel nauseous when first starting Norgestrel Plus?

A: Nausea and vomiting are listed in the official profile as commonly reported side effects. Experiencing this discomfort can therefore be expected by some users, particularly when initiating the medication for the first time.


Q: Can Norgestrel Plus be used by women over 35?

A: Regulatory documents explicitly state that the medication is strictly prohibited only for females over 35 years of age who smoke. For non-smoking women over 35, the use of this drug is not absolutely prohibited but is subject to appropriate clinical assessment and monitoring.


Q: Is Norgestrel Plus considered a high-dose or low-dose pill?

A: The active tablets contain 0.03 mg of Ethinyl Estradiol. In terms of estrogen content, this formulation is generally considered within the range of a low-dose combined oral contraceptive.


Q: Are there different brand names for Norgestrel/Ethinyl Estradiol?

A: Official pharmaceutical databases list this combination of Norgestrel and Ethinyl Estradiol under various branded products. Examples include Cryselle, Low-Ogestrel, and Elinest.


Q: Does Norgestrel Plus help with acne or skin issues?

A: While the medication is approved for pregnancy prevention, combined oral contraceptives (COCs) as a class are recognized in medical literature for having effects that can improve acne. The classification is based on the anti-androgenic properties of the hormones used in this type of formulation.


Q: What happens if I vomit after taking Norgestrel Plus?

A: Official labeling for combination contraceptives states that if a person experiences severe vomiting or diarrhea, the absorption of the hormone dose may not be complete. Official guidance describes that, in such cases, non-hormonal contraception may be necessary as a backup if a person is sexually active in the following seven days.


Q: Do antibiotics make Norgestrel Plus less effective?

A: Regulatory documents list some antibiotics, such as Rifampicin, as substances that can decrease hormone concentrations and reduce contraceptive effectiveness. Official documentation indicates that the potential for reduced effectiveness is a noted concern, although confirmed clinical significance is not established for all antibiotics.


Q: How is the safety of Norgestrel Plus monitored after it is approved?

A: The safety of the medication is monitored through a process of post-marketing surveillance. Official documents encourage patients and healthcare providers to report any suspected adverse reactions they experience to the regulatory agencies, such as the FDA’s MedWatch program.


Q: How does Norgestrel Plus affect cholesterol levels?

A: Official warnings describe that the medication can affect the body's metabolic profile. This may include compounding the risks of existing hyperlipidemias and potentially causing a decrease in HDL cholesterol levels or changes in glucose tolerance in some users.


Q: Is the packaging of Norgestrel Plus typically 21-day or 28-day?

A: The official dosing regimen is described as a fixed 28-day cycle. This cycle typically consists of 21 active hormone tablets followed by 7 inactive (placebo) tablets.


Q: What is the general success rate described in clinical trials for Norgestrel Plus?

A: Official data report that the failure rate for most hormonal contraceptives is very low, typically less than 1% per year, when the pills are taken exactly as prescribed (perfect use). The rate of pregnancy is described as increasing under typical use, which accounts for missed pills and inconsistent timing.


Q: Are there any long-term health outcomes associated with Norgestrel Plus use?

A: The labeling explicitly addresses several long-term health outcomes. These include the increased risk of hepatic adenomas (benign liver tumors) with duration of use, and a substantially increased risk of serious cardiovascular events in women over 35 who smoke.


Q: Does Norgestrel Plus interact with grapefruit or grapefruit juice?

A: Official information indicates that the progestin component, norgestrel, may have its blood levels increased by consuming grapefruit juice. This interaction can theoretically increase the likelihood of experiencing certain side effects of the medication.


Q: What are the most common side effects people report for Norgestrel Plus?

A: According to the official safety profile, the most frequently reported effects include headache, irregular uterine bleeding or spotting, nausea, breast tenderness, and weight increase.


Q: Can Norgestrel Plus cause weight gain?

A: Weight increase is specifically listed in the official safety profile of the medication as a commonly reported adverse reaction. This indicates that some users may experience an increase in weight while using the pill.


Q: Is it true that Norgestrel Plus can affect my mood?

A: The official safety profile lists mood changes, including depression, as a commonly reported adverse reaction. This finding is based on reporting patterns observed during the use of the medication.


Q: Is there a link between Norgestrel Plus and blood clot risk?

A: Official regulatory documents list Venous and Arterial Thromboembolism (VTE/ATE) as a serious, documented risk associated with the use of this medication. These events include deep vein thrombosis, pulmonary embolism, stroke, and myocardial infarction.


Q: How is the risk profile of Norgestrel Plus described in official documents?

A: The official risk profile is described through a categorized list of adverse reactions, including common, uncommon, and serious events. It also contains explicit warnings, such as the substantially increased risk of serious cardiovascular events for women over 35 who smoke.


Q: Can Norgestrel Plus cause spotting or breakthrough bleeding?

A: Irregular uterine bleeding or spotting is listed in the official profile as a very common effect. This is particularly noted as being frequent during the initial cycles when a person first begins taking the medication.

How should Norgestrel Plus be stored and disposed of?

Storage and Disposal Requirements for Norgestrel and Ethinyl Estradiol

The medicine must be stored at controlled room temperature, maintaining a range between 20 C and 25 C (68 F and 77 F). The tablets must be protected from light and should be kept out of the reach of children.


Disposal Instructions

Official guidance recommends disposing of unused or expired medicine by taking it to a drug take-back program. If a program is unavailable, the tablets may be mixed with an undesirable substance, sealed in a bag, and placed in the trash. Do not flush this medication down the toilet unless official instructions advise otherwise.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Norgestrel Plus found in:

A-Z Index: