Anubis

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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 Anubis

Quick Facts

Property Description
Active Ingredient Ethinyl Estradiol, Levonorgestrel
Form Oral Tablet
Pharmacological Class Hormonal Contraceptive (Estrogen-Progestin Combination)
Common Use Prevention of Pregnancy
Origin Synthetic Hormonal Preparation

What Type of Medicine is Anubis?

Anubis is a Prescription-Only Medication defined as a highly effective Hormonal Contraceptive, used for the prevention of pregnancy in women of reproductive age. It belongs to the pharmacological class known as Estrogen-Progestin Combinations (WHO ATC code G03AA07), a class of drugs clinically recognized for its reliability in managing the reproductive cycle. Research confirms that combined hormonal contraceptives are recognized as one of the most effective reversible methods for blocking pregnancy.

This drug is a Fixed-Dose Combination Product, utilizing two distinct types of synthetic hormone analogues combined into a single Oral Tablet dosage form for systemic administration. The formulation's composition, which combines an estrogen and a progestin, is a standard approach that distinguishes it from single-ingredient hormonal methods.

Composition and Origin: The Combination of Ethinyl Estradiol and Levonorgestrel

The active components in Anubis are the synthetic estrogen Ethinyl Estradiol and the synthetic progestin Levonorgestrel. Both compounds are laboratory-synthesized hormonal analogues, meaning they are not naturally occurring but are structurally related to the body's native hormones.

The co-presence of Ethinyl Estradiol and Levonorgestrel ensures a multi-layered contraceptive action. This combination is designed to influence reproductive physiology, which generally involves suppressing the hormonal signals required for ovulation inhibition, modifying the thickness of the cervical mucus, and causing subtle changes to the uterine lining. This fundamental mechanism establishes the product's identity and its general benefit of robust pregnancy prevention, offering patients a typical use scenario for family planning.

What side effects are possible with Anubis?

Possible Side Effects and Safety Information

This safety information is strictly based on authoritative government regulatory documents for Anubis Anatomical, a hazardous chemical solution containing high concentrations of Formaldehyde and Methanol.

Exposure Route Key Regulatory Hazard Serious Adverse Reactions
Ingestion Acute Toxicity, Fatal May be fatal or cause blindness if swallowed.
Inhalation Acute Toxicity, Toxic Fatal if inhaled; causes respiratory tract irritation.
Skin/Dermal Corrosive, Sensitizer Causes severe skin burns; Toxic in contact with skin; May cause allergic skin reaction.
Eyes Severe Corrosive Causes severe eye damage and chemical burns.

Regulatory Safety Classifications

Serious and Chronic Risks:

Formaldehyde, a component of this solution, is officially designated as a Confirmed Human Carcinogen by international authorities and classified as a Cancer Hazard in US regulatory documents. Additionally, the substance is classified as a Suspected Human Mutagen (capable of causing genetic defects).

Systemic Organ Toxicity: The substance is toxic if swallowed, inhaled, or absorbed through the skin. It is known to cause damage to target organs, including the Central Nervous System and the Eyes, with specific hazard statements citing the potential for acute systemic poisoning and long-term organ damage.

Safety Restrictions and Limitations: The official safety profile mandates strict restrictions due to inherent dangers. It is classified as a Flammable Liquid and Vapor, posing a fire and explosion hazard, and is highly reactive. The substance must be kept away from all sources of ignition and is specifically incompatible with strong oxidizing agents, caustics, strong bases, and strong inorganic acids. Safety guidelines explicitly prohibit breathing the vapor/mist and contact with skin or eyes, defining the risks by specific routes of exposure.

Overdose and Emergency Response

Overdose and when to seek help

The overdose profile for Anubis (Ethinyl Estradiol/Levonorgestrel) is defined by officially documented manifestations and mandated emergency actions, according to government regulatory sources.

Domain Official Regulatory Statement
Documented overdose presentations Acute ingestion of large doses is documented to result primarily in nausea, vomiting, drowsiness, headache, and breast tenderness (Source 1.1, 1.2, 2.2). Vaginal bleeding or withdrawal bleeding is also a noted presentation (Source 1.1, 1.2, 2.2).
Severity classification Overdose is officially classified as not likely to be life-threatening; serious undesirable effects are not reported in this specific context (Source 1.1, 2.2).
Population-specific overdose notes Vaginal bleeding is noted as the most common acute manifestation in pre-pubertal females following over-ingestion (Source 1.1).
Procedural context No specific antidote is known for this combination. Management requires symptomatic and supportive treatment, with providers monitoring vital signs and performing tests if hospitalization is required (Source 1.1).

Required Emergency Actions

The regulatory directive requires that individuals seek immediate medical attention and contact a poison control center immediately if an overdose is suspected (Source 1.1).

The official overdose profile is structured around the fact that while the symptoms are documented, the risk of a life-threatening outcome is low, a classification that nevertheless strictly mandates seeking immediate medical attention for professional assessment and supportive care. This approach ensures appropriate management of the transient manifestations.

Therapeutic Uses of Anubis

What Anubis Treats: Main Uses and Benefits

The primary therapeutic purpose of Anubis (Ethinyl Estradiol/Levonorgestrel) is commonly used to help with prevention of pregnancy for women of reproductive age. This foundational use establishes a predictable basis for routine reproductive health management. The medication is commonly used to help with prevention of pregnancy, contributing to improved day-to-day comfort and stability, assisting with the goals of family planning.


Key Symptomatic Support

This medication is commonly used to address symptom clusters that may become intense or disruptive, supporting patients during difficult episodes by easing distress. The medication is relevant for easing the intensity of pain associated with severe dysmenorrhea and assists with managing heavy menstrual flow (menorrhagia) and erratic menstruation. It may also be part of symptomatic management in situations involving certain distressing symptoms of endometriosis and moderate acne vulgaris.

The benefits support patients across domains where additional symptomatic support is needed. The treatment supports general well-being during symptomatic phases and assists with maintaining a sense of stability when symptoms are more noticeable.

Quick Fact: Relief for Key Symptoms
Conditions Treated Prevention of pregnancy, dysmenorrhea, menorrhagia, irregular menstruation, endometriosis, moderate acne vulgaris.
Primary Benefit Is commonly used to help with prevention of pregnancy and contributes to easing the overall symptom load during periods of heightened menstrual symptoms.

Regulatory References

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

Eligibility and Restrictions for Use

Determining Eligibility for Anubis

Use of Anubis is strictly governed by medical guidelines established through regulatory review. Before initiating treatment, all patients must be assessed by a qualified healthcare professional to ensure they meet the defined eligibility criteria and to identify any formal contraindications.

Classification Populations Who Should Not Use Anubis (Contraindicated)
Physiological Individuals with a known hypersensitivity or severe allergic reaction to Anubis or any of its excipients.
Clinical Patients with uncontrolled, severe hepatic impairment or end-stage renal disease; individuals with a recent history of acute cardiovascular events or unstable cardiac function.
Psychiatric Those with a history of acute psychosis or severe, unstable psychiatric conditions where use of central nervous system (CNS) agents is prohibited.

Use Requiring Special Medical Consideration

Use of Anubis is typically restricted, limited, or requires significant caution and dose adjustment in several populations, including older adults who may have reduced liver, kidney, or cardiac function.

Age-Related Eligibility: Efficacy and safety have not been established for pediatric patients (under 18 years of age), and use in this population is generally not recommended.

Pregnancy and Lactation Status: Anubis is usually contraindicated during pregnancy and breastfeeding unless the potential benefits clearly outweigh the unknown risks to the fetus or infant, a determination made solely by the prescribing clinician based on authoritative risk-benefit data.

The final decision on eligibility for Anubis must be made based on a comprehensive review of the patient's full medical history and the complete, officially approved prescribing information.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Anubis

Interaction scope

Category Description based on Official Regulatory Documentation
Medicinal product categories with documented interactions CYP3A4 enzyme inducers, Anticoagulants, Antihyperglycemic agents, Hepatitis C combination regimens.
Specific interacting medicines (if explicitly listed) Ombitasvir/ Paritaprevir/ Ritonavir (with or without Dasabuvir), Tranexamic Acid (Oral), Apalutamide, Bosentan, St. John's wort.
Mechanistic basis of interactions (only if stated in label) CYP3A4 enzyme induction leads to decreased hormone exposure. The Ethinyl Estradiol component induces SHBG synthesis, resulting in decreased Levonorgestrel clearance.
Timing-based interaction rules (if applicable) Absorption may be incomplete if severe vomiting or diarrhoea occurs within 3 to 4 hours of administration.
Population-specific interaction notes (if applicable) Use is contraindicated in females over 35 years of age who smoke due to a heightened risk of serious cardiovascular events.
Interaction-related restrictions Formally restricted co-administration with Hepatitis C regimens due to ALT elevation risk.

Interaction classifications (high-level)

Classification Description based on Official Regulatory Documentation
Interaction severity classification (as defined in official documents) Contraindicated (e.g., Hepatitis C regimens, Oral Tranexamic Acid); Clinically Significant (e.g., CYP3A4 Inducers
ightarrow reduced efficacy).
Regulatory basis (EMA / FDA / etc.) Based on formal statements in regulatory drug labels.
Interaction-context constraints (as defined in official documents) Co-administration is prohibited for certain drug-drug pairs; efficacy is reduced by certain CYP3A4 inducers.

Resulting interaction structure

Official interaction statements:

  • Co-administration with the ombitasvir/ paritaprevir/ ritonavir regimen is officially contraindicated due to the documented risk of ALT elevations.
  • CYP3A4 enzyme-inducing medicines, such as apalutamide, are documented to decrease the plasma concentrations of the active ingredients, which can officially lead to reduced contraceptive effectiveness.
  • The product may decrease the therapeutic efficacy of antihyperglycemic agents and may result in pharmacodynamic antagonism when co-administered with anticoagulants.
  • The herbal product St. John's wort is documented to decrease the effectiveness of the oral contraceptive.

Connection to the overall interaction profile (2–4 sentences):

The regulatory profile for Anubis defines its interaction structure primarily through pharmacokinetic interference, specifically citing the impact of hepatic CYP3A4 enzyme inducers that decrease hormone exposure and the internal effect of Ethinyl Estradiol on Levonorgestrel clearance. Furthermore, the profile establishes absolute prohibitions via contraindicated drug combinations and highlights pharmacodynamic interactions that alter the efficacy of co-administered medicines, all of which are stated as official regulatory findings.

Mechanism of Action

Anubis functions primarily as an inverse agonist at the cannabinoid receptor type 1 ( CB1 R), a G protein-coupled receptor ( G i/o-coupled) predominantly expressed in the central nervous system but also present in peripheral tissues. The molecule binds to the CB1 R and stabilizes it in an inactive conformation, thus reducing its constitutive activity.

Binding to CB1 R leads to an inhibition of adenylyl cyclase activity via the G i/o subunit. This decreases intracellular cyclic adenosine monophosphate (cAMP) levels. Downstream consequences of reduced cAMP include the diminished activation of protein kinase A (PKA) and subsequent dephosphorylation of various regulatory proteins and transcription factors.

Intracellularly, this modification of CB1 R signaling modulates the release of several neurotransmitters, including GABA and glutamate, by preventing the CB1 R-mediated presynaptic inhibition. System-level physiological consequences include modulation of neuroendocrine axes and energy homeostasis through its dominant CB1 R blockade in hypothalamic, limbic, and peripheral systems.

Dosage and Administration Information

How to Use Anubis (Ethinyl Estradiol/Levonorgestrel)

The usage of Anubis is structured around a fixed daily regimen using the approved Oral Tablet form. The core principle of administration is to take one tablet once daily at the same time every 24 hours to maintain consistent hormonal levels. This medicine is utilized for long-term management, continuing for as long as needed for its intended use.


Official Administration Protocols

Feature Procedural Guideline
Route of Administration Oral (swallowed whole).
Dosing Schedule One tablet daily, following the sequence provided in either a 28-day or extended 91-day cycle.
Timing with Food May be taken with or without food.
Initiation Starting protocols include the Day 1 Start (first day of menses) or the Sunday Start (first Sunday after menses begins).
Postpartum Use Should not be started earlier than 4 weeks postpartum in women who are not breastfeeding.

Administration Requirements

Treatment must proceed sequentially through the tablet pack, which contains both active hormone tablets and a specific number of inactive or low-dose tablets. If the fixed daily schedule is missed, specific, detailed instructions must be strictly followed, which vary based on the number of doses missed and the timing within the cycle. These labeled instructions define the standardized approach to using the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Anubis

This overview summarizes the available research evidence for Anubis (Ethinyl Estradiol / Levonorgestrel) as described in authoritative scientific and regulatory literature. The text focuses only on the types of studies conducted and the patterns observed in research, and is not a guide for use or a discussion of safety.


Evidence for Use in Pregnancy Prevention (Contraception)

Research explored the effects of Anubis on pregnancy rates through extensive clinical study. The evidence base includes a large number of Randomized Controlled Trials (RCTs) and long-term observational cohort studies. Research has examined two key metrics: the Pearl Index (a measure of unintended pregnancies per 100 women using the method for one year) and the rate of observed ovulation and its frequency.

Studies monitored the pregnancy rates observed in the populations using the combined hormones. What remains uncertain is that the reported findings describe group patterns, not personal outcomes. Research highlights the difference between the effectiveness measured when the treatment is used perfectly and the effectiveness measured under typical use.


Evidence for Symptomatic Menstrual Management

Studies have explored whether Anubis is relevant in conditions characterized by fluctuating or episodic manifestations, such as painful menstruation (dysmenorrhea) and heavy menstrual flow (menorrhagia). Trials described patterns where outcomes related to physical discomfort were observed to change in the study populations. Research also described changes in monthly blood volume and monitored measurements of cycle consistency.

Research on Acne Vulgaris Symptoms

Studies examined this medication in research concerning moderate acne vulgaris. Researchers examined changes in the skin condition, focusing on the reduction of inflammatory and non-inflammatory lesions. Studies documented changes in overall severity, reflected by lower scores on global assessment scales compared to baseline or placebo treatment groups.


Long-Term Studies and Follow-Up Data

Studies have focused on both short-term (initial cycles) and extended follow-up, primarily in observational settings. Studies also monitored the time it took for the body to return to regular ovulation after stopping the treatment, and studies reported patterns concerning the potential return of fertility.


What Remains Uncertain in the Research

While a large amount of data exists, research still contains areas of uncertainty. Evidence quality varies across studies, particularly for some of the non-contraceptive benefits where findings were mixed. Research gaps include limited comparative evidence with other existing treatments in some areas. Study results reflect the specific conditions under which they were conducted and research does not determine whether an individual will respond similarly.

Key Studies & References

  1. Contraception and its impact on acne
  2. levonorgestrel versus Combined Oral Contraceptive pills in treatment of female Acne and Hirsutism
  3. Heavy menstrual bleeding: assessment and management (NG88) - NICE Guideline
  4. An Overview of Current Contraceptive Modalities and Historical Perspectives: A Review

Frequently Asked Questions (FAQ)

Common questions about Anubis (FAQ)


Q: Is Anubis safe to use long-term?

Regulatory documents state that the risk of venous thromboembolism (blood clots) is highest during the first year of use. Official information also discusses associations between extended, long-term use and an increased risk of certain conditions, such as breast or cervical cancer. This data reflects observations within the general drug class.


Q: Is Anubis the same as the generic name for the drug?

The generic name for this combination medicine is derived from its active components. The active ingredients in Anubis are the synthetic hormones Ethinyl Estradiol and Levonorgestrel.


Q: Is there a different form of Anubis (like liquid or extended-release)?

The regulatory documentation describes the product as an Oral Tablet and specifies its use in standardized 28-day or extended 91-day cycle regimens. Other forms, such as liquid or patch, are not described in the official product information.


Q: Do food supplements interact with Anubis?

Official product information contains specific warnings regarding interactions with certain herbal products. Regulatory documents state that specific supplements, such as St. John’s wort, are known to decrease the contraceptive effectiveness of the medicine.


Q: What are the most important warnings about Anubis?

The most important information in the regulatory documents concerns the risk of serious cardiovascular events. Official warnings specify risks of blood clots, stroke, and heart attack, with this risk being elevated for women over 35 who smoke.


Q: Is Anubis related to any natural products?

According to the official composition, the active ingredients, Ethinyl Estradiol and Levonorgestrel, are described as synthetic hormonal analogues. This means they are laboratory-synthesized compounds that are chemically related to the body's natural hormones but are not naturally occurring substances.


Q: How quickly does Anubis typically start to work?

The contraceptive effect depends on the protocol used when the first pack is initiated, such as the 'Day 1 Start' or 'Sunday Start.' Regardless of the starting day, the product is designed to be taken once daily to maintain the therapeutic effect.


Q: Can Anubis cause trouble sleeping?

Regulatory lists of common adverse reactions include possible sleep problems, such as insomnia. A general feeling of tiredness or weakness is also documented in the official product information.


Q: Is it true that Anubis can interact with alcohol?

Regulatory data generally state that it is unknown if alcohol directly affects the pharmacological action of the medicine. The full prescribing information may contain specific guidance on co-administration considerations.


Q: Why do some people feel dizzy after starting Anubis?

Dizziness or lightheadedness is listed in the regulatory documents as a common adverse reaction for some combined oral contraceptive products. These reactions reflect observations made during clinical studies.


Q: Does taking Anubis affect driving or operating machinery?

The official product label does not specifically prohibit driving or operating machinery. However, the regulatory label notes that common side effects like headache and dizziness have been observed, which could potentially affect concentration.


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

Drug interaction databases and official regulatory information indicate that specific over-the-counter pain relievers, such as acetaminophen, have documented potential interactions with hormonal contraceptives. These documented potential interactions are noted in the full prescribing information.


Q: How long does Anubis stay in my system?

The half-life, which reflects how long the active ingredients remain in the body, is documented in the prescribing information. The half-life of the active ingredients (Ethinyl Estradiol and Levonorgestrel) typically ranges from 15 to 45 hours, respectively.


Q: Are there any known issues with Anubis and sun exposure?

The medicine can increase the risk of a skin condition called chloasma (darkening of facial skin). Regulatory warnings state that minimizing sun exposure is a recommended precaution for individuals using this medicine.


Q: Can Anubis affect blood pressure readings?

High blood pressure (hypertension) is a documented risk associated with the use of combination oral contraceptives. Official regulatory information indicates that routine blood pressure monitoring is specified during treatment with this class of medicine.


Q: What are the most common side effects listed for Anubis in official documents?

According to official regulatory documents, the most common adverse reactions reported in clinical trials include headache, menorrhagia (heavy menstrual bleeding), nausea, breast tenderness, weight increased, and changes in mood.


Q: Does Anubis interact with caffeine or energy drinks?

Official drug interaction information indicates that the Ethinyl Estradiol component may increase the blood levels of caffeine. This pharmacokinetic effect could potentially increase the risk or severity of caffeine-related side effects.


Q: What should I know about the safety profile of Anubis?

The overall safety profile, as described in regulatory sources, includes the potential for serious side effects. These risks include blood clots, stroke, heart attack, liver problems, and gallbladder disease.


Q: Does Anubis cause weight gain or loss?

A change in weight is listed in regulatory documents as a common adverse reaction reported during clinical trials. This change may manifest as either weight increased or weight decreased.


Q: Does Anubis cause skin rashes?

Skin rash, along with hives and itching, is a documented sign of an allergic reaction to the drug. Regulatory documents note that these signs warrant urgent professional evaluation.


Q: Are there any specific laboratory tests required while taking Anubis?

Regulatory information indicates that routine monitoring may be a part of treatment. This monitoring may include blood pressure checks, blood work, and regular gynecologic and breast examinations.


Q: Can Anubis be crushed or split?

The regulatory instructions for administration indicate that the medicine is provided as a tablet designed to be swallowed whole.


Q: Does Anubis contain any common allergens like lactose or gluten?

The medication contains excipients (non-active ingredients) which are listed in the full product information. Some formulations may contain the color additive tartrazine (FD&C Yellow No. 5), to which some patients may be allergic.


Q: Is it normal to feel tired after taking Anubis?

A feeling of tiredness or weakness is listed in the regulatory documents as a possible common side effect. This type of reaction reflects observations from patient studies.


Q: Can Anubis cause changes in mood?

Mood changes, including depression, are listed in the regulatory documents as common adverse reactions.

How should Anubis be stored and disposed of?

How to Store and Dispose of Anubis

Anubis tablets must be stored at Controlled Room Temperature, which is between 20 C and 25 C (68 F and 77 F). The medication must be kept in its original container (blister pack) and protected from light, moisture, and freezing to maintain its stability and potency.

For safety, this medication must always be stored out of the reach and sight of children.

Disposal of unused or expired tablets should be managed through an official medicine take-back program. Regulatory guidelines prohibit disposal by flushing the tablets down the toilet or pouring them into a drain or wastewater system. If a take-back option is unavailable, the product must be disposed of following specific household trash preparation guidelines.

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

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