Femity

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

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 Femity

Quick Facts

Property Description
Active Ingredients Estradiol, Levonorgestrel
Form Oral Tablet
Pharmacological Class Combination Hormonal Contraceptive
Common Use Prevention of Pregnancy (Contraception)
Origin Contains both a naturally derived estrogen and a synthetic progestogen

The Classification and Identity of Femity

Femity is an oral prescription medicinal product classified as a Combination Hormonal Contraceptive (CHC). The preparation belongs to the pharmacological group of Estrogens and Progestins, utilizing two distinct hormonal components for systemic effect. This classification is clinically recognized by major health authorities, supporting its established role in reproductive health. The medication is presented as a fixed-dose oral tablet administered via the oral route. Its primary distinction lies in its dual hormonal composition, which differentiates it from single-hormone contraceptives.

Composition: Estradiol and Levonorgestrel

The active substances in Femity are Estradiol and Levonorgestrel. The product combines Estradiol, which is structurally similar to the estrogen naturally produced within the human body, with Levonorgestrel, a powerful synthetic progestogen. This specific fixed combination is often utilized in established hormonal regimens. Due to its balanced profile, this combination of active ingredients is broadly utilized across various equivalent formulations, demonstrating its pharmacological significance.

General Purpose: A Contraceptive Agent

The central general purpose of Femity is contraception, which is the prevention of pregnancy in women of reproductive potential. The pharmacological mechanism involves targeting key steps in the reproductive process. Its utility is typically observed in scenarios where a patient seeks a routine, reversible method of preventing conception through hormonal regulation. The primary outcome is defined solely by its capacity to prevent the initiation of pregnancy.

What side effects are possible with Femity?

Possible Side Effects and Safety Information

Femity is a combination hormonal contraceptive whose safety profile is officially documented by regulatory authorities (e.g., FDA, EMA SmPC). Adverse reactions are formally categorized by their frequency and the system-organ-class affected, and the description remains strictly focused on safety, not clinical advice or usage instructions.

Frequency-Classified Adverse Reactions

The following are examples of adverse reactions listed in official documents, classified by their observed frequency:

Classification Documented Adverse Reactions (Examples)
Very Common (ge 1/10) Headache, Spotting/Breakthrough bleeding.
Common (ge 1/100 to < 1/10) Nausea, Vomiting, Migraine, Breast pain, Mood disturbances, Weight increase.
Rare (ge 1/10,000 to < 1/1,000) Venous Thromboembolism (VTE), Arterial Thromboembolism (ATE).

Bleeding irregularities, such as spotting or breakthrough bleeding, are officially noted as very common, particularly more likely during the first few months of use, which often lessens over time. Effects are documented across system-organ classes including Vascular Disorders, Gastrointestinal Disorders, Nervous System Disorders, and Reproductive System and Breast Disorders.

Serious Adverse Reactions and Safety Constraints

Official labeling emphasizes the risk of Serious Adverse Reactions, which are rare but clinically significant. These include an increased risk of Venous and Arterial Thromboembolic Events (e.g., blood clots, stroke, myocardial infarction) and an association with Hepatic Tumours (benign and malignant) in long-term users.

Population-specific safety constraints are documented; for instance, the risk of serious cardiovascular events increases with age (especially over 35 years) and with cigarette smoking. The medication is contraindicated in individuals with severe hepatic disease or a known high risk of thrombotic disease, as defined in official prescribing information. These restrictions form absolute limitations on the use of Femity, based on recognized regulatory safety data.

Overdose and Emergency Response

The official documentation for combination hormonal contraceptives, such as Femity, details the expected clinical manifestations and required emergency actions following an acute ingestion exceeding the prescribed dose. Overdose of this drug class is classified as not likely to be life-threatening.


Overdose Presentations and Required Actions

The most frequently documented signs of an overdose relate to hormonal effects, including nausea and vomiting (gastrointestinal effects). A delayed effect is withdrawal bleeding, often presenting as heavy vaginal bleeding that may occur several days after the event. Other reported, non-severe clinical manifestations include headache, drowsiness, and breast tenderness. Regulatory guidance mandates that if an overdose is suspected, an individual must seek medical help right away and contact a Poison Control Center immediately. Urgent medical attention is required if severe or sudden symptoms develop, such as unexplained loss of consciousness, difficulty breathing, or sudden, severe pain.


Supportive Management

The officially described management approach is symptomatic and supportive. This approach is used to treat the specific clinical manifestations that arise. In a hospital setting, care may involve monitoring vital signs and performing blood and urine tests to assess the patient's status. Activated charcoal administration may be considered in extreme or specific cases to limit further absorption. Furthermore, regulatory documents note that overdose is generally considered to be of low toxicity, particularly for children who may accidentally swallow the pills.

Therapeutic Uses of Femity

Femity is a combination hormonal contraceptive, and is commonly used across multiple therapeutic domains. This class of medication is generally applied in contexts where additional symptomatic support is needed.

The primary therapeutic role is the prevention of pregnancy in women of reproductive potential. This application, relevant in conditions characterized by periods of heightened symptoms, may assist with maintaining functional stability for personal planning. The medication may assist with managing symptoms related to conditions such as excessive menstrual bleeding (menorrhagia), severe monthly cramping (dysmenorrhea), and Premenstrual Dysphoric Disorder (PMDD).

“Applied across domains where additional symptomatic support is needed, the medication is relevant for easing distress linked to functional stress.”

Symptom Relief and Therapeutic Benefits

Femity is commonly used to help with symptoms related to physical discomfort, specifically addressing symptom clusters that may become intense or disruptive. It is also relevant in contexts marked by increased discomfort or tension, such as easing the distress linked to PMDD and applied in addressing hormonally-influenced acne. This generally supports patients during difficult episodes by easing distress linked to functional stress. Additionally, the medication is considered relevant to the overall management of long-term health risks, and helps manage the recurrence of functional ovarian cysts.


Quick Fact: Relief for Key Symptom Domains Description
Menstrual Comfort Provides supportive relief when symptoms interfere with routine activities, such as severe pain and excessive bleeding.
Hormonal Stability May assist with managing the emotional and physical symptoms of PMDD and is applied in addressing hormonally-influenced skin issues.
Long-Term Support Assists with managing the recurrence of functional ovarian cysts and is considered relevant to the overall management of long-term health risks.

Regulatory References

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

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility

Regulatory agencies define strict criteria for who may and who must not use this medicine. The drug is officially indicated for use only in postmenopausal women with severe osteoporosis who are at a high risk for fracture, or for whom other treatments have failed.


Populations That Must Not Use (Contraindications)

Use of this medicine is formally contraindicated (prohibited) in individuals with specific pre-existing conditions:

  • A history of a myocardial infarction (heart attack) or stroke.
  • Existing hypocalcaemia (low levels of calcium in the blood), which must be corrected before treatment is started.
  • A known history of severe, systemic hypersensitivity reactions (such as anaphylaxis or angioedema) to the active substance or any of its components.

Restricted and Non-Indicated Populations

  • Duration Limit: Treatment is officially restricted to a maximum of 12 monthly doses.
  • Pregnancy and Lactation: The medicine is not indicated for women of child-bearing potential, those who are pregnant, or those who are breastfeeding.
  • Pediatric Patients: Safety and effectiveness in children and adolescents have not been established.
  • Renal Impairment: Patients with severe renal impairment or those undergoing dialysis require calcium monitoring due to an increased risk of hypocalcaemia.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interactions with Femity are primarily pharmacokinetic, mediated by the product's role as a substrate of the CYP3A4 enzyme and a substrate of the P-glycoprotein (P-gp) transporter. Official regulatory information classifies these interactions by the required action necessary to manage the patient's exposure to Femity.


Clinically Significant Interaction Constraints

Interacting Product Category Regulatory Requirement
Strong CYP3A4 Inducers (e.g., rifampin) Co-administration must be avoided due to a significant risk of decreased Femity plasma concentration and subsequent loss of effect.
Strong CYP3A4 Inhibitors (e.g., ketoconazole) Requires a mandatory dosage adjustment (reduction) of Femity to mitigate the risk of substantially increased Femity plasma concentrations.
Acid-Reducing Agents (e.g., PPIs, H2-blockers) Requires specific timing-based separation of administration (e.g., several hours before or after) or complete avoidance, as product absorption is pH-dependent.
P-glycoprotein (P-gp) Inhibitors Requires closer patient monitoring as these agents may alter the absorption and overall disposition of Femity.

This interaction structure establishes mandatory restrictions, such as the avoidance of strong inducers, and requires specific dose management or spacing rules for other interacting products. This ensures that predicted changes in Femity exposure are addressed according to the official regulatory constraints.

Mechanism of Action

How Femity Works: The Mechanism of Action


Central Inhibition of the HPO Axis

This mechanism involves the binding and activation of the Estrogen and Progesterone Receptors (ER/PR). Activation of these receptors by Estradiol and Levonorgestrel initiates a significant negative feedback signal to the Hypothalamic-Pituitary-Ovarian (HPO) axis. This signal suppresses the release of FSH and LH, which are the required hormonal triggers for the menstrual cycle. The resulting physiological effect is the inhibition of ovulation, observed as the blockade of the LH surge and the inhibition of follicular maturation.


Peripheral Barrier and Synergy

The Levonorgestrel component acts peripherally by altering the physical environment of the reproductive tract. It significantly increases the viscosity and density of the cervical mucus, creating a physical barrier that impedes sperm migration. This peripheral mechanism functions in synergy with the central action: the Estradiol component reinforces the suppression of FSH to maintain the central blockade, and the combined effects establish a dual mechanism that opposes the physiological steps of conception.


Mechanism Vulnerability

The mechanism is entirely reliant on maintaining systemic hormone levels above a continuous threshold concentration to sustain HPO axis suppression. Consequently, any external factor that accelerates the clearance or breakdown of these steroid hormones can lead to a drop below this threshold, resulting in the loss of negative feedback and the potential for the physiological process of ovulation to re-emerge.

Dosage and Administration Information

How to Use Femity: Official Administration Guidelines

Femity is an oral prescription medication, and its correct use is strictly governed by the sequential instructions provided in the product's prescribing information and established medical guidelines.

Administration Details

Instruction Domain Guidelines
Route of Administration Oral (by mouth).
Dosing Schedule Daily: One tablet must be taken every 24 hours.
Timing in Relation to Meals May be taken with or without food.

Dosing Regimen and Schedule

Femity is used in continuous, repeating cycles, and the tablets must be taken in the order directed on the blister packaging to ensure correct hormone sequencing.

  • Standard 28-Day Cycle: Active tablets are taken for 21 consecutive days, followed by a 7-day interval of either inactive (placebo) tablets or no tablets.
  • Extended Cycle: Some formulations prescribe 84 consecutive days of active tablets, followed by a 7-day interval of inactive or low-dose estrogen tablets.

Procedural and Population-Specific Rules

  1. Fixed-Time Intake: The tablet must be taken at the same time every day to maintain a consistent systemic hormonal profile.
  2. Initiation: Treatment typically starts on the first day of menstrual bleeding (Day 1 Start) or on the first Sunday after menses begins (Sunday Start), according to the specific product label.
  3. Backup Contraception: If initiating the Sunday Start regimen or starting later than 28 days post-partum, an additional non-hormonal method must be used for the first 7 consecutive days of active tablet taking.
  4. Postmenarchal Females: The standard adult regimen applies to postmenarchal females.

Missed Dose Instructions

If one active tablet is missed, it should be taken as soon as possible, even if it means taking two tablets in a single day. Instructions for missing two or more tablets are detailed in the product information, often requiring consulting the pack instructions and possibly using a barrier method.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Femity

Evidence for Use in Preventing Pregnancy

Research has extensively studied this class of medication in the context of pregnancy prevention. The evidence is primarily derived from large-scale Randomized Controlled Trials (RCTs) and subsequent long-running observational studies that include thousands of women. A key outcome monitored in this research is the incidence of pregnancy, often reported using the Pearl Index. The findings describe patterns observed in the study populations, differentiating between adherence scenarios described as "perfect use" and "typical use."

However, the results apply only to the populations studied, and variability in adherence in real-life use is not always fully captured in controlled trials. Comparative evidence is lacking for this specific formulation against every single other option in the combined hormonal contraceptive (CHC) class.

Evidence for Managing Menstrual Cycle Symptoms

This combination was evaluated in studies examining physical discomfort associated with the menstrual cycle, specifically conditions characterized by heavy bleeding (menorrhagia) and severe cramping (dysmenorrhea). These research scenarios involved RCTs comparing the medication to a placebo or other active treatments. Researchers tracked and reported measurements such as change in menstrual blood volume and patient-reported outcomes describing perceived discomfort.

What remains uncertain is the long-term nature of these findings; long-term effects are not fully established for changes in symptoms beyond one year in focused studies. Comparative evidence is lacking between this specific CHC formulation and every non-hormonal intervention available for these conditions.

What Research Gaps and Uncertainties Exist

Several limitations and uncertainties exist in the evidence base. For some of the secondary uses, such as support for Premenstrual Dysphoric Disorder (PMDD), core trials often have follow-up durations that were limited, focusing on short-term changes. Additionally, study results reflect the specific conditions under which they were conducted, and findings describe group patterns, not personal outcomes. Research describing symptom patterns in specific, smaller subgroups is often limited or certainty remains low.

Frequently Asked Questions (FAQ)

Common questions about Femity (FAQ)


Q: Is Femity considered a new type of medication?

The official product information indicates that the combination of Estradiol and Levonorgestrel is a well-established and broadly utilized formulation within the class of combined hormonal contraceptives. This means that many equivalent generic and brand versions of this specific dual-hormone composition are utilized worldwide.


Q: What is the difference between Femity and other medications in the same class?

Regulatory documents suggest that the key difference between medicines in the combined oral contraceptive class lies in the specific dose and type of active hormones they contain. These dose differences are noted in the official warnings, as they may affect the relative risk of vascular disease.


Q: Does Femity stay in the body for a long time?

According to regulatory pharmacokinetics data, the elimination half-life for the active components ranges from about 12 to 49 hours. This scientific measurement indicates that the active ingredients are cleared from the body gradually over the course of a few days after the last tablet is taken.


Q: Is there a risk of dependence or addiction with Femity?

Official regulatory documents indicate that Levonorgestrel, one of the active ingredients, is not classified as a controlled substance in the US. Furthermore, regulatory sources do not contain reported information about dependence or addiction associated with the use of this medicine.


Q: Does Femity have any known long-term effects?

Official labeling documents acknowledge that serious adverse reactions are associated with long-term use, particularly in individuals with pre-existing risk factors. These documented risks include an increased risk of hepatic tumors (liver cancer) and hypertension (high blood pressure).


Q: Can Femity cause a skin rash or allergic reaction?

Official product information notes that the medicine is strictly contraindicated in individuals with a known history of severe hypersensitivity reactions, which are serious allergic responses like anaphylaxis, to any of the components. This indicates that the potential for a severe allergic response exists.


Q: Is it safe to take Femity if I have high blood pressure?

Official regulatory documents state that this medication is strictly contraindicated (prohibited) in individuals who have uncontrolled hypertension or high blood pressure accompanied by vascular disease. For patients with other forms of increased blood pressure, the official information states that careful assessment and monitoring are necessary.


Q: Does Femity affect fertility or pregnancy planning?

Official information describes this medicine as a reversible form of contraception. Studies indicate that its use does not delay the return to fertility, and normal ovulation is typically expected to resume within a few weeks after treatment is stopped.


Q: What should I do if a side effect seems serious?

The official warning label states that the medicine must be discontinued if certain serious events or their symptoms occur, such as those related to a thrombotic event (blood clot) or unexplained vision changes. These conditions are described by regulatory agencies as requiring immediate consultation with a healthcare professional.


Q: Is it necessary to have regular blood tests while on Femity?

Regulatory precautions indicate that routine monitoring may include checking blood pressure regularly, and blood and urine tests may be needed to check for potential unwanted effects. Official product information also notes that the medicine may interfere with the results of certain laboratory tests.


Q: Is Femity used short-term or is it a long-term treatment?

As a combined hormonal contraceptive, the medicine is intended for use in continuous, repeating cycles as part of a long-term regimen. This regimen is maintained for as long as the prevention of pregnancy is needed and the patient is deemed eligible for continued use.


Q: Are there different versions or strengths of Femity?

The active ingredient combination is available in various tablet forms and dosages under different trade names globally. These differences in hormone levels are used to facilitate different regimens, such as the standard 28-day cycle or extended 91-day cycle plans.


Q: Is Femity safe for people who have liver or kidney issues?

Official regulatory documents prohibit the use of this medicine in individuals with severe liver conditions, such as acute viral hepatitis, liver tumors, or severe cirrhosis. The label states that the medicine requires cautious administration in patients with renal dysfunction or other conditions where fluid retention could pose a concern.


Q: What if I take vitamins or herbal supplements with Femity?

Official information specifically notes that certain herbal products, such as St. John’s wort, can act as enzyme inducers that decrease the plasma concentration of the active hormones. When co-administering with these enzyme inducers, regulatory documents state that an additional method of contraception must be used due to the risk of reduced effectiveness.


Q: Do you need to avoid specific foods while taking Femity?

Official warnings state that the consumption of grapefruit and grapefruit juice must be avoided or limited. This is because grapefruit can affect the metabolism of the estrogen component, potentially leading to an increase in its concentration in the body.


Q: Does Femity interact with alcohol?

Official regulatory sources document that the estrogen component, Ethinyl Estradiol, has a minor interaction with alcohol. Individuals with concerns about the use of alcohol while taking the medicine should consult a healthcare professional, as stated in the label.


Q: Can I take over-the-counter pain relievers while using Femity?

Regulatory interaction information indicates that common over-the-counter pain relievers like Acetaminophen may increase the plasma concentration of the estrogen component (Ethinyl Estradiol). Official regulatory requirements state that all non-prescription medications, including pain relievers, must be disclosed to the prescribing professional.


Q: What happens if I suddenly stop taking Femity?

According to regulatory safety data, the risk of thromboembolic disease associated with the medicine ceases after use is discontinued. Furthermore, studies on cessation indicate that the return to normal ovulation and fertility is not delayed and is typically expected within a few weeks.


Q: Are there any age restrictions for using Femity?

Regulatory documents state that the medicine is strictly contraindicated for females over 35 years of age who smoke, as this combination of factors significantly increases the risk of serious cardiovascular events. Safety and effectiveness have not been established in either pediatric patients or postmenopausal women.


Q: Has Femity been approved in countries outside of the US?

The official documentation for this medicine includes regulatory information from both the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA). This indicates that products containing this specific combination of active ingredients are approved and utilized across the US and European Union member states.


Q: Is there an alternative name for Femity?

The active ingredients are known by their generic names, Estradiol and Levonorgestrel. As this is a common and widely utilized formulation, the specific combination of these two ingredients is available globally under numerous brand names.


Q: Are the results from the research studies on Femity considered definitive?

Official regulatory documents indicate that the findings from clinical research are based on epidemiological estimates and observed group patterns. The official information cautions that these findings reflect risk statistics within the studied populations and do not represent guaranteed personal outcomes.


Q: Can Femity be used by people with diabetes?

Regulatory contraindications strictly prohibit the use of this medicine in females with diabetes who are over 35, or who have diabetes that includes vascular disease or other end-organ damage. For all other patients with diabetes, the official safety information requires close monitoring of blood sugar.


Q: Why is Femity only available by prescription?

The official regulatory status is prescription-only because the medicine is associated with a risk of serious adverse reactions, including cardiovascular events like blood clots, stroke, and heart attack. These potential safety risks require continuous professional medical evaluation and oversight.

How should Femity be stored and disposed of?

Storage and Disposal Requirements

Femity (Estradiol and Levonorgestrel Tablet) must be stored strictly according to the conditions defined in the official regulatory labeling. The medicine requires storage at controlled room temperature, specifically between 20 C and 25 C (68 F to 77 F).

Tablets must be kept in their original container to protect them from both moisture and direct light, and must be kept from freezing. It is a mandatory regulatory requirement to store Femity out of the reach and sight of children to prevent accidental ingestion.

For disposal, unused or expired medication should be handled through a local drug take-back program or pharmacy-supported initiative. If household disposal is necessary, the medication must be mixed with an unappealing substance, sealed, and discarded in the trash; the product must not be flushed down the toilet.

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

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