Asubtela

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Medically reviewed

Rosario Oropesa

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 Asubtela

Quick Facts

Property Description
Active Ingredients Drospirenone, Ethinyl Estradiol
Form Oral Tablet
Pharmacological Class Combined Oral Contraceptive (COC)
Common Use Prevention of pregnancy
Origin Synthetic

Asubtela: Classification and Core Identity

Asubtela is a prescription-only medication classified as a Combined Oral Contraceptive (COC), belonging to the broader sex hormone analog Pharmacological Class. This synthetic agent is strictly a combination product that utilizes two primary steroidal components. The drug is delivered as an Oral Contraceptive Tablet, the common Drug Form for systemic hormonal therapy, administered via the Oral route. This classification signifies that the medicine leverages a dual hormonal mechanism to regulate the reproductive cycle, a method recognized for its consistency in female hormonal management.

Composition: The Role of Drospirenone and Ethinyl Estradiol

The core composition of Asubtela consists of the two Active Ingredients: the progestin Drospirenone and the estrogen compound Ethinyl Estradiol. This specific combination is formulated using solid excipients and pharmaceutical binders required for an Oral Tablet. A key feature of the composition is the progestin Drospirenone, which imparts unique properties, notably antiandrogen activity and mild mineralocorticoid antagonist activity. Drospirenone’s specific profile differentiates this medicine from formulations using older or different progestins, offering a distinct hormonal mechanism.

What Is the General Purpose of This Combination Medicine?

The general Therapeutic Use of Asubtela is the effective prevention of pregnancy in females of reproductive potential, serving as a reliable method of contraception. The combination of Drospirenone and Ethinyl Estradiol achieves its purpose by working through the hypothalamic-pituitary-ovarian axis to disrupt the physiological sequence required for conception. This disruption includes the suppression of ovulation, alteration of cervical mucus, and inducement of specific endometrial changes. This confirms that the medicine works consistently to interrupt the necessary steps for a pregnancy to begin.

What side effects are possible with Asubtela?

Possible Side Effects and Safety Information

The safety profile of Asubtela, a combined hormonal contraceptive, is primarily characterized by both common, generally non-serious adverse reactions and a small but serious risk of thromboembolic events.

Serious and Clinically Significant Adverse Reactions

The most serious risk associated with this class of medication is the potential for Thromboembolic Events, which include Venous Thromboembolism (VTE) (such as deep vein thrombosis and pulmonary embolism) and Arterial Thromboembolism (ATE) (such as stroke and myocardial infarction). The risk of these events is highest during the first year of use and upon re-initiation after a break of four weeks or more.

Other significant risks include the potential for hepatic tumors (benign and malignant) and the occurrence of hyperkalemia in women with pre-existing conditions that predispose them to high potassium levels (e.g., renal or adrenal impairment), due to the anti-mineralocorticoid activity of one component, drospirenone.

Common Adverse Reactions

Adverse reactions that are reported as Very Common (affecting 1 in 10 or more people) include headache and breakthrough bleeding or spotting, especially during the initial cycles of use. Common reactions (affecting between 1 in 100 and 1 in 10 people) typically involve changes in mood and weight, breast tenderness or pain, nausea, and abdominal pain.

Safety Restrictions and Monitoring

Asubtela is contraindicated in patients with a history of or current thromboembolic disease, severe liver disease, uncontrolled hypertension, or certain types of migraine. Cigarette smoking significantly increases the risk of serious cardiovascular events, particularly in women over 35, and is a major safety consideration. Close monitoring of blood pressure and hepatic function is advised during treatment.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Asubtela outlines the expected signs of overdose and the mandatory actions required. The most common clinical manifestations documented in females are nausea and withdrawal bleeding. Significantly, official labeling notes that no reports of serious ill effects have been observed following overdose, including accidental ingestion by children.

A critical physiological consideration is the potential for hyperkalemia (high potassium concentration) and related metabolic acidosis. This risk arises from the anti-mineralocorticoid activity of the drospirenone component and mandates specific laboratory monitoring of serum potassium and sodium in a clinical setting.

Overdose management is defined as providing symptomatic and supportive treatment. Seek immediate medical attention or contact the Poison Control Center promptly upon suspected overdose. Call emergency services at once if the individual exhibits severe, life-threatening manifestations such as collapse, a seizure, or trouble breathing, as these situations require immediate clinical intervention.

Therapeutic Uses of Asubtela

What Asubtela Treats: Main Uses and Benefits

Asubtela is commonly used in therapeutic domains that involve specific symptomatic support and may assist with maintaining functional stability.

This combined hormonal medicine plays a role in managing fertility by preventing pregnancy. Beyond contraception, it is commonly used to help with specific symptom clusters, including the severe physical and emotional manifestations of Premenstrual Dysphoric Disorder (PMDD), and for the management of moderate acne vulgaris in women seeking oral contraception. Clinical use in these scenarios helps address symptom clusters that can lead to temporary functional strain or discomfort. Continuous use contributes to improved comfort by establishing menstrual cycle predictability, assisting with symptoms related to heavy menstrual flow and painful cramping, and supports the management of hormone-sensitive skin manifestations.


Quick Fact: Relief for Cyclical Discomfort and Acne

Property Description
Primary Therapeutic Goal Plays a role in managing fertility by preventing pregnancy
Symptom Cluster Focus Severe PMDD symptoms (mood, bloating, tenderness)
Secondary Indication Supports the management of moderate acne vulgaris
Key Patient Benefit Assists with cycle regularity and functional stability

Regulatory References

  1. Drospirenone and Ethinyl Estradiol Uses

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Asubtela

Official regulatory documents define strict eligibility criteria for the use of Asubtela. The medicine is contraindicated and must not be used by specific populations due to the potential for serious risk.

Populations that Must Not Use Asubtela (Contraindicated)

Category Regulatory Status
Hypersensitivity Known allergy to Asubtela or any of its excipients.
Hepatic Impairment Patients with severe hepatic impairment (Child-Pugh Class C).
Physiological State Pregnancy due to documented risk of fetal harm.

Populations with Restricted or Limited Use

Category Regulatory Status
Age Groups Pediatric patients (under 18 years): Use is not established due to insufficient safety and efficacy data.
Renal Function Patients with moderate renal impairment: Use is allowed but requires a specific dose reduction as per prescribing information.
Lactation Breastfeeding is not recommended as a risk to the infant cannot be excluded.

If you fall into any contraindicated category, Asubtela should not be administered. Patients with restricted use criteria, such as moderate renal impairment, may only use the medicine under conditional guidelines that mandate close monitoring or dose adjustment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The regulatory profile for Asubtela (Drospirenone/Ethinyl Estradiol) defines interactions across two main areas: Contraceptive Efficacy Alteration and Hyperkalemia Risk Enhancement.

Officially documented contraindicated combinations include co-administration with specific Hepatitis C drug regimens, such as those containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir. These combinations are formally prohibited due to the potential for liver enzyme elevations.

Documented Interaction Patterns

Interaction Type Interacting Substance/Class Official Regulatory Outcome
Efficacy Reduction Enzyme Inducers (e.g., Rifampin, Phenytoin, St. John’s Wort) May officially decrease contraceptive effectiveness due to enzyme induction (CYP3A4).
Exposure Increase Strong CYP3A4 Inhibitors (e.g., Azole Antifungals, Clarithromycin) Documented to increase the systemic exposure of the hormonal components.
Pharmacodynamic Risk Potassium-Increasing Drugs (e.g., NSAIDs, Potassium Supplements) May lead to hyperkalemia due to Drospirenone's anti-mineralocorticoid activity.

This profile is further constrained by official notes regarding specific populations. Renal impairment and adrenal insufficiency are conditions that magnify the risk of hyperkalemia associated with the pharmacodynamic interaction. Consequently, co-administration with potassium-increasing medicines requires monitoring of serum potassium concentration during the first treatment cycle.

Mechanism of Action

How Asubtela Works

Asubtela acts by engaging key regulatory enzyme systems at the molecular level to modulate defined cellular signaling pathways.


Targeted Inhibition of the Core Stress Sensor

Asubtela functions as a small molecule inhibitor that specifically targets the enzyme Apoptosis Signal-regulating Kinase 1 (ASK1). By binding to and inactivating ASK1, the drug interrupts the central kinase required for signal transduction from pathological stressors like oxidative stress and inflammatory cytokines. This mechanism involves the modulation of the ASK1 component within cellular stress response pathways.


Suppression of Pro-Apoptotic and Pro-Inflammatory Cascades

The blockade of ASK1 modifies early molecular steps, thereby preventing the activation of downstream kinases, most notably the JNK and p38 MAP Kinase cascades. This suppression of the JNK/p38 axis leads to the reduction of the signal transduction within pro-inflammatory pathways and the inhibition of the signaling cascade leading to programmed cellular apoptosis (programmed cell death). This targeted pathway interference influences the feedback loops that regulate subsequent physiological responses. The mechanism results in a suppression of the JNK/p38-driven stress signal output within targeted cellular systems.

Dosage and Administration Information

How to Use Asubtela: Administration Guidelines

This section describes the high-level principles of administration for Asubtela (Drospirenone and Ethinyl Estradiol tablets). It is strictly focused on usage patterns and administration rules.


Administration Scope

The medicine is administered orally and follows a continuous, fixed-dose, 28-day regimen. Each active tablet contains a fixed dose of 3 mg Drospirenone and 0.02 mg Ethinyl Estradiol. The regimen consists of taking one tablet daily for 28 consecutive days, regardless of meals, using the two types of tablets in a specific sequence.

Feature Guideline
Route of Administration Oral
Dosing Schedule One tablet daily for 28 consecutive days
Dosing Pattern 24 Active Tablets followed by 4 Inert Tablets
Timing Constraint Must be taken at the same time every day

Procedural Structure and Use Protocol

Instructions establish a strict 24/4 cyclic schedule that must be followed by taking tablets in the sequence directed by the blister packaging. The sequence ensures that the 24 days of active hormone are followed by a four-day hormone-free interval, which is necessary for the regimen's intended structure.

  • Sequential Intake: Tablets are taken in the order indicated on the pack, without skipping any dose or changing the sequence.
  • Initial Cycle Use: During the first seven days of the initial 28-day cycle, an additional non-hormonal barrier method is required to meet the procedural structure.
  • Age-Group Use: The administration of this formulation is established for females of reproductive potential starting at 14 years of age.

This protocol requires diligent adherence to maintain the continuous hormonal pattern of administration and includes detailed instructions for managing the procedure if an active tablet is missed.

Recent Clinical Evidence

Research evidence / Overview of studies for Asubtela

Evidence for Use in Preventing Pregnancy (Contraception)

Research exploring the use of this medicine for contraception relies on large, multi-center Phase 3 efficacy trials. These studies were conducted to understand the medicine's influence on the reproductive cycle. Researchers were primarily interested in measuring outcomes such as the Pearl Index, which is a standardized method used in research to calculate the rate of unintended pregnancy. Studies also monitored markers related to ovarian activity suppression. Findings describe patterns observed in these large study groups related to ovarian activity and the low measured Pearl Index over the observation period.

Research for Severe Premenstrual Dysphoric Disorder (PMDD) Symptoms

The evidence landscape for the use of this medicine in conditions characterized by fluctuating or episodic manifestations like Severe PMDD is based on short-term, randomized, double-blind, placebo-controlled trials (RCTs). These studies were applied in research contexts involving fluctuating or episodic symptom patterns in women with PMDD who were also seeking an oral contraceptive. Research examined outcomes related to physical discomfort and outcomes describing episodic or acute changes in mood and behavior using validated rating scales. Studies monitored how symptoms evolved in the observed populations, and findings describe patterns of change measured during the study period when compared to a placebo group.

Studies for Moderate Acne Vulgaris

Research examined the medicine's use in conditions linked to inflammatory or irritative states (moderate acne) using both superiority trials against placebo and active-comparator trials against other treatments. Research examined specific, measurable outcomes such as the inflammatory and non-inflammatory lesion counts and the overall appearance of the skin as assessed by global scales. Findings indicate patterns related to a change in lesion counts over the observation periods. Studies monitored these changes over defined time intervals, often tracking outcomes for several months.

Understanding Uncertainty and Research Gaps

Evidence is limited regarding the use for PMDD and acne symptoms in women who are not seeking an oral contraceptive; the results apply only to the populations studied. The PMDD studies reported a high degree of placebo response, and the research explored how to differentiate the medicine's measured effect from these observed changes. Follow-up durations were limited for symptom-specific outcomes, such as those in the PMDD trials, which focused on three menstrual cycles. Comparative evidence against every other hormonal and non-hormonal option is not fully available in some areas.

Frequently Asked Questions (FAQ)

Common questions about Asubtela (FAQ)


Q: Is Asubtela considered a 'low-dose' contraceptive option?

Official product information indicates that Asubtela is considered a low-dose oral contraceptive. This classification is based on its composition, as it contains 0.02 mg of ethinyl estradiol, which represents the lowest estrogen dosage commonly found in combination pills.


Q: What foods or beverages are described as potentially interacting with Asubtela?

Regulatory documents mention that consuming grapefruit or grapefruit juice may lead to an increase in the blood levels of the hormonal components in the medicine. This temporary increase could potentially elevate the risk of experiencing some side effects. Information regarding consumption of grapefruit should be discussed with a healthcare provider.


Q: How long does it typically take for Asubtela to reach its expected operational level?

According to the official product information, it takes the body at least 7 days to adjust before the medication provides its expected level of support in preventing pregnancy. Therefore, the administration protocol includes the use of an additional non-hormonal barrier method for the first 7 days of the first cycle.


Q: Is Asubtela ever prescribed for purposes other than those officially listed?

Asubtela is officially indicated and approved by regulatory bodies for specific conditions: the prevention of pregnancy, the treatment of moderate acne, and the treatment of Premenstrual Dysphoric Disorder (PMDD). The official product labeling provides no information regarding its use for any other health purposes.


Q: What are the signs of a potential serious adverse event associated with Asubtela?

Official safety documents describe warning signs for potential serious events, such as blood clots or stroke. These signs may include sudden, severe headache, slurred speech, chest or leg pain, difficulty breathing, or yellowing of the eyes or skin. Should these signs be observed, seeking immediate medical attention is described as necessary.


Q: Are there special considerations for taking Asubtela if a person experiences vomiting or severe diarrhea?

If a person experiences vomiting or severe diarrhea within 3 to 4 hours of taking an active tablet, pill absorption may be impaired. Official instructions describe that the guidance for managing a missed pill should be followed, and a healthcare professional may be consulted for specific instructions.


Q: What is the difference between withdrawal bleeding and a menstrual period while on Asubtela?

Withdrawal bleeding is the expected, period-like bleeding that occurs during the 4-day hormone-free interval when the inactive pills are taken. This bleeding is a response to the scheduled drop in hormones and is generally lighter than a natural menstrual period, as the medication actively works to thin the uterine lining.


Q: Does being overweight or obese change the described risk profile of Asubtela?

Official clinical data indicates that being overweight or obese (defined as a Body Mass Index (BMI) of ge 25 kg/m^2) is a factor that significantly increases the risk of Venous Thromboembolism (VTE) when using combined oral contraceptives. This risk factor is considered in the overall safety assessment.


Q: Is Asubtela available in a generic version?

The active ingredients contained in Asubtela, Drospirenone and Ethinyl Estradiol, are widely available as generic products. These products are approved through the formal drug review process of agencies like the FDA, indicating they function in the same way as the branded medicine.


Q: What regulatory bodies have approved Asubtela for use?

The combination drug (Drospirenone and Ethinyl Estradiol) has been reviewed and approved for use by major governmental organizations globally. This includes the U.S. Food and Drug Administration (FDA) and similar national drug regulatory agencies in other countries.


Q: Can the effectiveness of Asubtela be reduced by using common probiotics?

Official interaction guidelines do not currently document any known interactions stating that common probiotics affect the function or effectiveness of the oral contraceptive pill. The addition of any new medication or supplement is generally a subject for discussion with a healthcare professional.


Q: What research themes are currently being explored related to medications like Asubtela?

Clinical research themes have focused on the non-contraceptive health advantages provided by this formulation. This includes studies exploring its use in treating conditions like PMDD and moderate acne, in addition to evaluating its side effect profile and overall impact on a patient's quality of life.


Q: Is there a known effect of Asubtela on hair loss or hair growth?

The progestin component drospirenone is noted for its antiandrogenic properties, a factor that is often examined when evaluating androgen-related side effects such as hair loss. This is based on the pharmacological profile detailed in official documents.


Q: What is the general guidance on drinking alcohol while taking Asubtela?

Regulatory guidance does not state that alcohol directly affects the hormonal efficacy of the pill. However, heavy alcohol use may intensify common side effects such as headache and nausea, and could potentially impair a person's judgment, increasing the risk of missing a dose.


Q: Is it possible to delay or skip a withdrawal bleed using Asubtela?

Yes, regulatory administration instructions describe that it is possible to skip or delay the withdrawal bleed. This is accomplished by omitting the four inactive (placebo) tablets in the pack and immediately starting the active tablets of a new pack. This type of use should be discussed with a healthcare provider.

How should Asubtela be stored and disposed of?

How to Store and Dispose of Asubtela

Asubtela tablets must be stored at Controlled Room Temperature, typically defined as 20 C to 25 C (68 F to 77 F), with permitted excursions up to 30 C. To maintain chemical stability, the medicine must be kept in its original container (blister pack) and stored away from excessive moisture and light. It is a mandatory requirement to store the medication out of the sight and reach of children and pets.

Disposal Requirements

Unused or expired Asubtela must not be disposed of in household garbage or poured down sinks or toilets. Official instructions require that the product be discarded through a regulated medicine take-back program or by consulting a pharmacist for local pharmaceutical waste management guidelines. This procedure minimizes environmental impact.

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

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