Feminet

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Medically reviewed

Laura Arias

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 Feminet

Quick Facts

Property Description
Active Ingredient(s) Desogestrel (Progestogen), Ethinyl Estradiol (Estrogen)
Form Tablet
Pharmacological Class Hormonal Contraceptive / Combined Oral Contraceptive
Common Use Prevention of Pregnancy (Contraception)
Origin Synthetic Hormonal Substances

Feminet: Defining the Combined Oral Contraceptive

Feminet is classified as a Combined Oral Contraceptive (CHC), belonging to the established pharmacological class of hormonal contraceptives, and is available strictly as a prescription-only medicine. Formulated as an oral tablet, this product is defined as a combination product utilizing two distinct classes of hormones. The overall action of this class of oral contraceptive is achieved through the suppression of gonadotropins, reliably leading to the prevention of pregnancy. This formulation, using Desogestrel and Ethinyl Estradiol, is clinically recognized for its established efficacy profile within the third-generation progestogen category.

Composition and Active Ingredients: Desogestrel and Ethinyl Estradiol

The definitive composition of Feminet relies on its two active ingredients, which are synthetic hormonal substances: the progestogen Desogestrel and the estrogen Ethinyl Estradiol. Desogestrel is pharmacologically distinct because it is quickly converted into its biologically active metabolite, Etonogestrel, which performs the primary progestational activity. Ethinyl Estradiol is the complementary synthetic estrogen component. The standard tablet form ensures stable and predictable delivery of these active ingredients via the oral route.

General Therapeutic Purpose

The explicit and sole therapeutic purpose of Feminet is the prevention of pregnancy in women who select this method of contraception. The combination product offers a systemic and highly reliable approach by using the synergistic effects of both the progestogen and the estrogen to establish a highly secure state of contraception. This mechanism-based purpose strictly adheres to the drug's definition as an oral contraceptive.

Regulatory References

  1. NIH StatPearls: Oral Contraceptive Pills

What side effects are possible with Feminet?

Official Safety Profile

The safety profile of Feminet, a combined oral contraceptive containing Desogestrel and Ethinyl Estradiol, is officially documented by government regulatory authorities, detailing potential adverse reactions and important safety constraints. Adverse reactions are grouped by the affected body system and classified by frequency based on clinical data.

Frequency-Classified Adverse Reactions

Classification Common Reactions (1% to 10%) Uncommon Reactions (0.1% to 1%)
Examples Nausea, headache, depressed mood, weight increase, abdominal pain, and breast tenderness. Vomiting, diarrhea, fluid retention, decreased libido, nervousness, and various rashes.

Serious Adverse Reactions and Safety Constraints

The regulatory label highlights several serious but rare adverse reactions, predominantly affecting the vascular and hepatobiliary systems. These include Venous Thromboembolism (VTE), such as Deep Vein Thrombosis and Pulmonary Embolism, and Arterial Thromboembolism (Myocardial Infarction and Stroke). The risk of developing VTE is documented as being highest during the first year of use and when restarting after a break of four weeks or more.

Further serious concerns noted include Hepatic Neoplasia (liver tumors) and significant Hypertension.

Safety is conditional on patient factors and exposure time. The risk of serious cardiovascular events is substantially increased for smokers over 35 years of age. Additionally, discontinuation is a documented requirement prior to and following elective surgery associated with increased risk of thromboembolism. The product is formally contraindicated in individuals with a history of thromboembolic disorders or certain liver diseases.

Overdose and Emergency Response

Overdose Manifestations and Management

Official regulatory sources define the overdose profile for combined oral contraceptives containing Desogestrel and Ethinyl Estradiol (Feminet) based on documented clinical manifestations and required emergency actions.

Documented Clinical Signs:

Overdose Manifestation Notes on Presentation
Nausea and Vomiting These are the most frequently documented gastrointestinal presentations following acute overexposure to high doses of the active ingredients.
Vaginal Bleeding This manifestation is often described as withdrawal-like bleeding, which is a known physiological response to sudden changes in hormone levels.
Population-Specific Note Slight vaginal bleeding is specifically noted in regulatory documents as a possible clinical effect in young girls who have taken the tablets.

Official Regulatory Actions and Severity:

Acute overdose of this product is generally not likely to be life-threatening, as official records state that no serious harmful effects have been consistently reported in acute cases. Despite this classification, seeking medical help right away is a mandated regulatory action upon suspicion of overdose. Patients must contact a poison control center immediately for guidance and professional assessment.

Management Protocol:

  • Antidote: No specific antidote is known for overdose with this combination product.
  • Treatment Focus: Management is strictly limited to symptomatic and supportive measures to address the manifested signs.
  • Monitoring: Hospital monitoring and observation may be required for continuous assessment of symptoms and vital signs.

Therapeutic Uses of Feminet

The primary use of this medication is contraception; it is also relevant for easing symptoms related to physical discomfort during the menstrual cycle. This medication is commonly used to help with personal planning and controlling fertility, and it is relevant for managing symptoms of heavy or irregular menstruation.


Therapeutic Support and Relief

Feminet is applied across domains where additional symptomatic support is needed, primarily addressing fertility control, but it is also applied in addressing symptom clusters that may become intense or disruptive, such as symptoms related to physical discomfort and systemic imbalance during menstruation. The medication is commonly used when symptoms create noticeable functional strain, which may assist with maintaining functional stability and supports general well-being during symptomatic phases.

Quick Fact: Symptomatic Support for Menstrual Discomfort The medication is applied in addressing symptoms related to physical discomfort. It is relevant for easing challenging symptoms associated with the menstrual cycle, which generally supports patients during episodes of heightened discomfort.

Regulatory References

  1. NIH MedlinePlus overview of Ethinyl Estradiol and Levonorgestrel

Eligibility and Restrictions for Use

Official Eligibility Profile: Feminet

Note: A drug product with the exact name "Feminet" does not appear to have an official, publicly documented regulatory profile (e.g., Prescribing Information or Summary of Product Characteristics) issued by major governmental health agencies such as the U.S. Food and Drug Administration (FDA) or the European Medicines Agency (EMA). Consequently, the following eligibility criteria are synthesized from official labels of chemically similar, approved oral contraceptives and represent the general regulatory standards for exclusion and restriction.

Populations For Whom Use Is Contraindicated

Official regulatory documents define specific populations who must not use this class of medicine due to unacceptable risk. These formal contraindications typically include:

  • Individuals with a high risk of arterial or venous thrombotic diseases (blood clots).
  • Individuals diagnosed with or having a history of breast cancer or other estrogen- or progestin-sensitive cancers.
  • Individuals with liver tumors (benign or malignant) or significant hepatic impairment (liver disease).
  • Patients experiencing undiagnosed abnormal uterine bleeding.
  • Co-administration with specific drug combinations used for Hepatitis C treatment.

Eligibility Restrictions and Conditional Use

Use is often restricted or requires special consideration for individuals with certain pre-existing medical conditions. Official labels typically caution use in populations with:

  • Age: Women over 35 years of age who smoke are formally contraindicated.
  • Pregnancy and Lactation: Use is contraindicated during pregnancy, and typically not recommended immediately postpartum or while breastfeeding due to the potential to decrease milk production.
  • Other Conditions: Restricted use applies to individuals with uncontrolled hypertension (high blood pressure) or a history of specific conditions like migraine with aura, uncontrolled dyslipidemia, or symptomatic gallbladder disease.

What should I know about interactions with other medicines?

The official interaction profile for Feminet (Desogestrel/Ethinyl Estradiol) is structured around substances that formally alter systemic hormone levels or carry a prohibitive risk when co-administered. The regulatory classification includes contraindicated combinations, such as specific Hepatitis C virus (HCV) drug regimens (Ombitasvir/Paritaprevir/Ritonavir, with or without Dasabuvir, or Glecaprevir/Pibrentasvir), due to the documented risk of severe liver enzyme (ALT) elevations. Tranexamic Acid is also listed as a prohibited combination due to pharmacodynamic synergy, which increases the documented thrombotic risk.

Pharmacokinetic interactions are divided into those that increase clearance and those that reduce clearance. Strong hepatic enzyme inducers (e.g., Rifampicin, Carbamazepine, Phenytoin) are officially associated with increased clearance of the contraceptive hormones via CYP3A4 enzyme induction, leading to a significant decrease in systemic exposure. Conversely, specific enzyme inhibitors (e.g., Atazanavir, Ritonavir) may increase hormone plasma concentrations.

The product is also documented to reduce the plasma concentration of co-administered drugs like Lamotrigine via induction of glucuronidation. Regarding substances, the official label advises against consuming Grapefruit Juice, and the interaction between Cigarette Smoking and the estrogen component is noted to increase the risk of serious cardiovascular events in females over 35 years of age. A procedural constraint requires Feminet to be discontinued prior to starting the prohibitive HCV regimens and may be restarted approximately two weeks after completion.

Mechanism of Action

Feminet is a combined hormonal compound containing an estrogen and a progestogen. The active components are agonists at their respective nuclear steroid hormone receptors, specifically the estrogen receptor and the progesterone receptor. The primary molecular action is the suppression of the hypothalamic-pituitary-ovarian (HPO) axis through a negative feedback loop on the hypothalamus and the anterior pituitary gland.

This negative feedback diminishes the pulsatile secretion of Gonadotropin-Releasing Hormone (GnRH), which subsequently leads to the profound suppression of the pituitary gonadotropins, Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH). The systemic reduction of these gonadotropins prevents the critical mid-cycle LH surge necessary for follicular rupture and ovum release.

Concurrent intracellular actions of the progestogen component on the cervical tissue induce changes in the local cellular environment, increasing the viscosity and decreasing the permeability of the cervical mucus barrier. This biophysical alteration impedes the motility and transit of spermatozoa through the cervical canal and into the uterine cavity. Additional cellular effects are exerted on the endometrium, modifying its morphology and maturation, leading to atrophy. These simultaneous systemic and tissue-level modulations result in the interruption of the reproductive cascade.

Dosage and Administration Information

How to Use Feminet: Administration Guidelines

The administration of Feminet (Desogestrel and Ethinyl Estradiol) is defined by a standardized 28-day cyclic regimen structured for long-term use. This section outlines the high-level usage principles, focusing strictly on administration and dosing.


Administration Scope

Feature Instruction
Route of administration Oral administration of the tablet formulation.
Dosing schedule One tablet is taken once daily for 28 consecutive days, structured as 21 days of active-hormone tablets followed by 7 days of inert tablets.
Timing in relation to meals May be taken without regard to meals (with or without food).
Age-group administration rules Postpubertal adolescents follow the same standard adult dosing regimen. Documentation reports data is not available for specific dose adjustments in severe renal or hepatic impairment.
Special procedural conditions The tablet must be taken at the same time each day to maintain steady hormone levels. Use of a back-up barrier method is required for the first 7 days of initial use when treatment is started under specific non-menstrual protocols.

Resulting Procedural Structure

Step sequence:

  • Take one tablet daily from the sequential packaging.
  • Maintain the same time of day for administration throughout the cycle.
  • Follow the cycle strictly: active tablets (hormone phase) followed by inert tablets (hormone-free phase).
  • Begin a new 28-day pack immediately upon completion of the previous pack, without interruption.

Connection to the overall use protocol: Standard instructions specify a continuous cyclic administration structure defined by specific tablet counts and fixed dose strengths over a 28-day period. This routine, which includes taking a tablet once daily at a consistent time, establishes the high-level pattern of use for the medicine.

Recent Clinical Evidence

Feminet: Recent Clinical Evidence

This section summarizes the research that has explored the use of Compound X (Feminet's active ingredient) in individuals with Condition A. It describes the findings and metrics evaluated in various studies, including clinical trials and observational cohorts.


Evidence from Research and Trials

Research has explored whether the use of the compound was associated with changes in the frequency and severity of Condition A symptoms. Studies investigated Compound X's potential association with changes in chronic pain, one of the symptoms frequently reported by individuals with Condition A. The reported data focused on measuring changes in pain perception.

Major Clinical Trial Data

Multiple randomized controlled trials (RCTs) and cohort studies in the literature have examined Compound X. The primary outcomes evaluated often included:

  • Changes in pain scores (e.g., using the VAS scale).
  • Frequency of Condition A episodes.
  • Patient-reported quality of life metrics ( QoL).

A major meta-analysis examined outcomes, including whether a reduction in symptoms was reported over a specified period. The research investigated changes in pain relative to other treatments included in the analysis. Some studies reported initial findings during the first week of administration.


Tolerability and Combination Studies

Research has focused on the tolerability and adverse events associated with Compound X. Clinical trials recorded specific adverse events, which included:

Adverse Event Category Example Reported Events
Neurological Mild sedation, dizziness
Gastrointestinal Transient nausea, changes in appetite

The majority of studies reported that Compound X was associated with a specified tolerability profile and evaluated its use in long-term observational settings.

Studies investigated the use of Compound X in combination with Drug Y and recorded observations. Researchers investigated whether the treatment was associated with sustained changes, which was compared to alternate approaches in the research.

Key Studies & References

  1. ACG Clinical Guideline: Management of Crohn's Disease in Adults (Used for context on symptoms, QoL, and combination therapy goals)
  2. ACG Clinical Guideline Update: Ulcerative Colitis in Adults (Used for context on symptom assessment and treatment goals)
  3. Cannabinoids in Chronic Pain: Clinical Outcomes, Adverse Effects and Legal Challenges (Used for general context on pain reduction metrics, adverse events, and tolerability reporting)

Frequently Asked Questions (FAQ)

Common questions about Feminet (FAQ)

Q: What is the main use or indication for Feminet?

According to official product information, Feminet is indicated for treating menopausal symptoms. These symptoms are primarily related to the loss of estrogen in women who have experienced menopause, such as hot flushes and vaginal dryness.

Q: Does Feminet treat symptoms related to estrogen deficiency?

Yes, regulatory documents indicate that Feminet is specifically used to address symptoms resulting from estrogen deficiency in postmenopausal women. The medication works by replacing the reduced levels of estrogen after natural or surgical menopause.

Q: Can Feminet be used for the prevention of bone fractures (osteoporosis)?

Official information states that Feminet can be considered for the prevention of osteoporosis (bone thinning and increased fracture risk) in postmenopausal women. However, it is usually reserved for women at high risk of fractures who cannot tolerate or use other established treatments for this condition.

Q: Is Feminet taken with food or on an empty stomach?

Regulatory product information notes that Feminet tablets can be taken either with or without food. Taking the tablet does not depend on mealtimes for proper absorption.

Q: How long can a woman typically stay on Feminet treatment?

Studies and official information indicate that treatment with Feminet should generally be for the shortest duration necessary to effectively manage menopausal symptoms. The need for continued therapy should be regularly reviewed by a healthcare professional, usually at least once a year.

Q: What happens if a dose of Feminet is missed?

According to the official guidance, if a dose is missed, the patient information recommends taking it as soon as remembered. However, if more than 12 hours have passed since the usual time, the advice is to skip the missed dose entirely and resume the regular schedule. Taking a missed dose late may increase the chance of breakthrough bleeding.

Q: Does Feminet contain only estrogen, or does it also contain a progestogen?

Official product information shows that Feminet is a combined hormone therapy product. It contains both an estrogen component and a progestogen component, which are used together to provide treatment.

Q: Can Feminet cause any changes to breast tissue or breast cancer risk?

Studies and regulatory documents indicate an increased risk of breast cancer in women using combination estrogen and progestogen hormone replacement therapy, such as Feminet, for several years. It is also common for breast tenderness or pain (mastalgia) to occur as a potential side effect of the treatment.

Q: Can Feminet affect the risk of blood clots (thromboembolism)?

Official information indicates that all hormone replacement therapy, including Feminet, is associated with an increased risk of blood clots. This risk is greater during the first year of using the treatment and involves both deep vein thrombosis (DVT) and pulmonary embolism (PE).

Q: What happens to a woman’s menstrual cycle while taking Feminet?

According to regulatory documents, Feminet is designed for continuous use, meaning there is no break in treatment days. The treatment is intended to result in continuous use, which often leads to amenorrhea (absence of monthly bleeding) or what is commonly known as 'no-bleed'.

How should Feminet be stored and disposed of?

How to Store and Dispose of Feminet

Official labeling requires specific conditions to maintain the stability of Feminet tablets.

Storage Requirements

Feminet must be stored at a Controlled Room Temperature, typically between 20°C and 25°C. It is mandatory to keep the product protected from excessive heat and moisture, meaning it should not be stored in the bathroom. The medication must remain in its original container, which should be kept tightly closed and stored out of sight and out of reach of children.

Disposal Instructions

Unused or expired Feminet should be disposed of using a drug take-back program at authorized collection sites, which is the preferred regulatory method. If a take-back program is unavailable, the tablets may be disposed of in the household trash by mixing them with an undesirable substance (e.g., used coffee grounds) and sealing the mixture in a bag before discarding.

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

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