Drosetil

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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 Drosetil

The following information establishes the core identity, composition, and general classification of the medicine Drosetil (Drospirenone/Ethinyl Estradiol), strictly excluding all dosage, usage, safety, and commercial details.

Property Description
Active Ingredients Drospirenone, Ethinyl Estradiol
Form Oral Contraceptive Tablets (Film-Coated)
Pharmacological Class Sex Hormones and Modulators of the Genital System
Common Use Systemic Hormonal Contraception (Pregnancy Prevention)
Origin Synthetic Combination

What Type of Drug is Drosetil and Its Primary Purpose?

Drosetil is structurally classified as a combined oral contraceptive (COC), a synthetic preparation belonging to the broad pharmacological class of Sex Hormones and Modulators of the Genital System. This classification confirms the drug's role in influencing the reproductive endocrine system. The essential purpose of this oral medication is Systemic Hormonal Contraception, providing a highly reliable and reversible method for Pregnancy Prevention in women of childbearing age who require hormonal reproductive control.

Composition and Form: The Combination of Drospirenone and Ethinyl Estradiol

The core composition of Drosetil is a fixed-dose Synthetic Combination of two potent active ingredients: Drospirenone (a synthetic Progestin) and Ethinyl Estradiol (a synthetic Estrogen). This combination is standard for COCs, utilizing two distinct hormone types for contraceptive efficacy. The formulation uses this specific hormone combination to block ovulation and prevent pregnancy. Administered via the oral route, the final dosage form is specialized as Oral Contraceptive Tablets, typically presented as Film-Coated Tablets.

Drosetil Differentiation and Context

Drosetil is fundamentally defined by its inclusion of both the progestin and estrogen components, distinguishing it from single-component hormonal methods. The active ingredients Drospirenone/Ethinyl Estradiol represent a formulation that is clinically recognized for providing effective Systemic Hormonal Contraception. This dual-hormone identity allows the medication to employ overlapping physiological actions that create a comprehensive barrier to conception, relying on multiple mechanisms to achieve its contraceptive purpose for the intended patient group.

Regulatory References

  1. NIH/MedlinePlus

What side effects are possible with Drosetil?

Drosetil: Possible Side Effects and Safety Information

This section outlines the officially documented adverse reactions and safety constraints for Drosetil, structured according to regulatory classifications.

Adverse Reactions by Frequency and System Organ Class

The medicine's safety profile is characterized by adverse reactions categorized by how often they occur, ranging from Very Common (occurring in ge 1/10 patients) to Not Known (frequency cannot be estimated from available data). These effects are formally grouped by the body system affected, known as System-Organ Classes (SOCs), which include Nervous system disorders, Gastrointestinal disorders, Cardiac disorders, and Hepatobiliary disorders.

Serious Adverse Reactions and Safety Constraints

Serious Adverse Reactions that are documented as rare but clinically significant include Angioedema (a type of severe swelling), Severe Cutaneous Adverse Reactions (SCARs) such as Stevens-Johnson Syndrome (SJS), and significant liver enzyme elevation.

Population-Specific Safety Considerations are defined for certain patient groups:

  • Hepatic Impairment: Use is contraindicated in patients with severe hepatic impairment (Child-Pugh Class C).
  • Renal Impairment: Dosage adjustment is required in patients with severe renal impairment (creatinine clearance < 30 mL/min).

Safety-Related Restrictions: The maximum recommended dose must not be exceeded in older patients (over 75 years of age). Certain reactions, such as headache and dizziness, are documented as being more common during the first week of therapy. Baseline and periodic monitoring of blood parameters, such as a complete blood count (CBC), are required.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information for Drosetil (Drospirenone/Ethinyl Estradiol) indicates that an overdose is generally not associated with serious ill effects. The documented clinical manifestations following overdosage are typically limited to nausea, vomiting, and the potential for vaginal withdrawal bleeding.

Emergency Actions and Required Monitoring

Due to the components of the medication, seeking immediate emergency medical attention is required in the event of an overdose. Contacting a national Poison Help line is the mandated first action. Treatment is defined by regulatory agencies as symptomatic and supportive, as no specific antidotes are known to reverse the effects of this hormonal combination.

Overdosage management must include specialized monitoring, specifically for disturbances related to the Drospirenone component. This monitoring includes checking serum potassium concentration, serum sodium concentration, and assessing for metabolic acidosis. These procedures confirm that specialized clinical observation is necessary for managing an overdose.

Population-Specific Note

Regulatory labeling notes a specific manifestation regarding accidental ingestion: withdrawal bleeding may occur in girls before their menarche.

Therapeutic Uses of Drosetil

What Drosetil Treats: Main Uses and Benefits

Drosetil (Drospirenone/Ethinyl Estradiol) is applied across domains where additional symptomatic support is needed, focusing on key therapeutic areas. This medication is used for conditions presenting with episodic or fluctuating manifestations, including the prevention of pregnancy, the management of symptoms of Premenstrual Dysphoric Disorder (PMDD), and the support for moderate acne vulgaris.

In clinical scenarios where short-term symptomatic assistance is needed, this combination is relevant for easing symptoms related to heightened physiological activity and systemic imbalance. It helps address symptom clusters of PMDD, including severe mood swings, anxiety, and fluid retention, and is applied in the addressing of moderate acne vulgaris. This contributes to easing the overall symptom load and helps patients cope more steadily with difficult episodic manifestations.

It is commonly used as a systemic hormonal method to provide effective prevention of pregnancy. This provides supportive relief and assists with maintaining functional stability for family planning. Furthermore, it may assist with promoting menstrual regularity and contributes to improved comfort during symptomatic periods by helping with symptoms like painful periods and excessive blood loss.


Quick Fact: Support for Cyclical Discomfort

This medication is used in situations involving recurrent or episodic manifestations, providing support that helps ease the overall symptom burden during symptomatic periods.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Drosetil — Official Regulatory Information

Drosetil (Drospirenone/Ethinyl Estradiol) is approved for use in females of reproductive potential after they have achieved menarche.

Category Eligibility Status (Regulatory-Defined)
Age Restriction Indicated only after menarche; use is not established in the geriatric population.
Pregnancy Use is contraindicated if pregnancy is suspected or confirmed.
Lactation Use is not recommended while breastfeeding.

Populations for whom use is contraindicated (Must Not Use):

The medicine is strictly prohibited in patients with absolute contraindications, primarily those with a high risk of blood clots. This includes women ge35 years of age who smoke. Contraindications also apply to individuals with a history of venous or arterial thrombotic diseases (e.g., deep vein thrombosis, stroke, myocardial infarction).

Furthermore, use is contraindicated in females with: renal impairment, adrenal insufficiency, active liver disease or liver tumors, undiagnosed abnormal uterine bleeding, or known or suspected hormone-sensitive cancers, such as breast cancer. Women with severe uncontrolled hypertension or diabetes with vascular involvement are also ineligible for use.

What should I know about interactions with other medicines?

Drosetil Interactions with other medicines and products

Drosetil, which contains a combination of hormones (typically drospirenone and ethinyl estradiol), is subject to interactions that can affect its efficacy and increase the risk of serious side effects.

Impact on Contraceptive Efficacy and Hormone Levels

Medicines and herbal products that induce certain enzymes, particularly CYP3A4, can decrease the concentrations of the hormones in Drosetil. This may lead to a loss of contraceptive protection and an increase in breakthrough bleeding. If co-administration with an enzyme inducer is necessary, an alternative or back-up method of contraception should be used during the course of treatment and for 28 days after discontinuation of the interacting substance.

Increased Risk of High Potassium (Hyperkalemia)

Due to the anti-mineralocorticoid activity of drospirenone, the use of Drosetil with other medications that can increase serum potassium concentration carries a risk of hyperkalemia. This group includes, but is not limited to, ACE inhibitors, Angiotensin-II receptor antagonists (ARBs), potassium-sparing diuretics, and NSAIDs. Patients at high risk for hyperkalemia should have their serum potassium levels checked during the first cycle of use.

Contraindicated Combinations and Conditions

Drosetil is contraindicated (must not be used) with certain Hepatitis C Virus (HCV) combination therapies, such as those containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for significant increases in liver enzymes (ALT). Additionally, cigarette smoking significantly increases the risk of serious cardiovascular events, and Drosetil is strictly contraindicated in women over 35 years old who smoke.

Mechanism of Action

Drosetil, a combination of ethinyl estradiol (an estrogen) and drospirenone (a progestin), exerts its pharmacodynamic effects primarily through two key hormonal components.

Ethinyl estradiol and drospirenone act on the hypothalamic-pituitary-ovarian (HPO) axis to provide negative feedback, leading to the suppression of gonadotropin-releasing hormone (GnRH) secretion from the hypothalamus. This, in turn, decreases the pituitary release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

Reduced FSH and LH plasma concentrations inhibit follicular development and prevent the LH surge, which is the critical molecular event necessary for ovulation to occur. Drospirenone acts as an agonist at the progesterone receptor (PR), contributing to gonadotropin suppression and altering the cervical mucus to increase its viscosity. Furthermore, drospirenone is a structural analog of spironolactone and acts as an antagonist at the mineralocorticoid receptor (MR) and the androgen receptor (AR). MR antagonism reduces sodium and water reabsorption in the distal renal tubules, modulating water and electrolyte balance. AR antagonism reduces the downstream effects of circulating androgens on target tissues.

Dosage and Administration Information

How Drosetil Is Used: Administration Guidelines

Drosetil (Drospirenone/Ethinyl Estradiol) is administered according to a highly structured daily and cyclic regimen. The instructions dictate a precise schedule to maintain therapeutic consistency, focusing on administration route, frequency, and specific sequential intake.


Administration Scope

Feature Standard Instruction
Route of Administration Oral. The medicine is ingested as a tablet.
Standard Dosing Schedule One tablet taken daily for 28 consecutive days, following the specific sequence of active and inert tablets as directed on the blister pack. Dosing typically follows a 24-day active/4-day inert tablet pattern.
Frequency and Timing The tablet must be taken once daily at approximately the same time each day to maintain consistent hormone levels. It may be taken with or without food.
Age-Group Rules The dosing regimen is the same for postmenarcheal adolescent females (aged 14 years and older) as it is for adults.

Resulting Procedural Structure

The treatment course is structured around continuous cyclic use:

  • Daily Intake: One tablet must be taken every 24 hours without skipping a dose.
  • Sequential Order: Tablets must be ingested strictly in the sequential order printed on the pack, starting with the active tablets, transitioning to the inert tablets, and immediately beginning a new pack upon completion of the previous one.
  • Missed Dose Guidance: Guidelines exist for managing missed active tablets, often requiring prompt intake of the missed dose and the temporary use of a non-hormonal back-up method to preserve the integrity of the cycle.

The established protocol ensures the uninterrupted maintenance of the cyclic regimen across consecutive 28-day periods.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Drosetil

The clinical evaluation for Drosetil (Drospirenone/Ethinyl Estradiol) is based on studies required by regulatory agencies and documented in peer-reviewed scientific literature. This overview describes the structure of the evidence, what was measured in the research, and where data remain limited, without offering clinical advice or treatment recommendations.


Evidence for use in Systemic Hormonal Contraception

The primary research conducted on Drosetil for pregnancy prevention included large, multicenter Randomized Controlled Trials (RCTs). These trials were designed to measure contraceptive efficacy, which is typically quantified using the Pearl Index, and monitored patterns of cycle control. Data show patterns related to contraceptive efficacy that are used to characterize the study results in healthy females of reproductive age.

Evidence for use in Symptoms of Premenstrual Dysphoric Disorder (PMDD)

The evidence base for symptoms of Premenstrual Dysphoric Disorder (PMDD) primarily involved short-term, Randomized, Double-Blind, Placebo-Controlled Trials. Studies examined symptom severity using specific rating scales to monitor how severe emotional and physical manifestations were measured during the study period. Findings described patterns related to how symptoms evolved, and also documented measurements of functional status.

Evidence for use in Moderate Acne Vulgaris

The research base for use in moderate acne vulgaris is also supported by multicenter, Randomized, Double-Blind, Placebo-Controlled Trials. Researchers examined outcomes related to inflammatory or irritative states by measuring changes in acne lesion counts and monitoring shifts in overall Acne Severity Grades. Studies reported measurements of lesion counts and severity grades when comparing the group receiving the medication to the group receiving placebo.


What is Still Uncertain About the Evidence

For the primary purpose of contraception, the consistency of findings is well-established through the broad evidence base. However, the evidence quality varies for the secondary indications. Long-term effects are not fully established for the PMDD indication, as the initial studies only monitored short-term symptom changes over three cycles. Additionally, comparative evidence is limited for both the PMDD and moderate acne indications, meaning there are few direct comparisons against other hormonal or non-hormonal treatments.

Frequently Asked Questions (FAQ)

Common questions about Drosetil (FAQ)

Q: What is the main difference between Drosetil and other similar medications?

A: Drosetil is a combined oral contraceptive that contains the progestin component drospirenone. Regulatory documents indicate that drospirenone-containing contraceptives may be associated with a higher risk of venous thromboembolism (VTE) compared to formulations containing levonorgestrel. The drospirenone component is described in the official product information as possessing anti-mineralocorticoid activity.

Q: Are there special warnings for older adults taking Drosetil?

A: Official documentation notes that Drosetil's use is not established in the geriatric population. Official prescribing information highlights a safety restriction stating that the maximum recommended dose is specified for older patients, specifically those over 75 years of age.

Q: Is Drosetil affected by existing liver or kidney problems?

A: Official labeling states that Drosetil is contraindicated (must not be used) in individuals with renal impairment, adrenal insufficiency, or active liver disease or liver tumors. These are conditions listed in official documents that preclude the use of the medicine.

Q: Does Drosetil interact with common pain relievers like ibuprofen or acetaminophen?

A: The official label describes that concurrent use with Nonsteroidal Anti-inflammatory Drugs (NSAIDs), such as ibuprofen, may carry a risk of elevated potassium levels (hyperkalemia) in high-risk patients due to the drospirenone component’s effect on the body’s fluid balance. Official labeling states that monitoring of potassium levels may be considered during the first cycle of use for certain patients. Information regarding a significant interaction with acetaminophen is generally not emphasized in primary regulatory warnings.

Q: Can Drosetil affect contraception or birth control pills?

A: Drosetil is a combined hormonal contraceptive that works to prevent pregnancy and is typically used in place of other forms of hormonal birth control. Non-hormonal back-up methods are typically used during the initial treatment phase or when other interacting medicines are used, as described in administration guidelines.

Q: What are the signs of a non-severe side effect from Drosetil?

A: Official documentation describes the most frequent side effects observed in clinical trials as premenstrual syndrome, headache/migraine, breast pain/tenderness/discomfort, nausea/vomiting, abdominal pain/discomfort, and mood changes. These reactions are documented in clinical studies as being more common during the first week of therapy.

Q: Can Drosetil be used in children?

A: Drosetil is approved for use in females of reproductive potential after menarche (the start of menstruation). Official prescribing information states that the safety and effectiveness have not been established in pre-menarcheal females.

Q: Why is Drosetil sometimes used for conditions other than its primary use?

A: Official documents state that in addition to its primary indication for pregnancy prevention, Drosetil is formally approved for two other conditions. These are the treatment of symptoms of Premenstrual Dysphoric Disorder (PMDD) and the treatment of moderate acne vulgaris in women who are at least 14 years old and are seeking oral contraception.

Q: Can Drosetil be used long-term?

A: Drosetil is designed as a continuous, cyclic treatment taken daily to maintain its effectiveness for pregnancy prevention and is intended for ongoing use in women of reproductive potential. The maintenance of the prescribed regimen is conducted under the ongoing supervision of a healthcare provider.

Q: Is Drosetil an antibiotic or an antiviral?

A: Drosetil is classified as a combined oral contraceptive (COC) belonging to the pharmacological class of Sex Hormones and Modulators of the Genital System. It contains synthetic hormones and is not an antibiotic or an antiviral medicine.

Q: What are the most common reasons people stop taking Drosetil?

A: In clinical trials, the most frequent reasons reported for discontinuation included headache/migraine, nausea/vomiting, bleeding irregularities (metrorrhagia), and mood changes (depression).

Q: How quickly should I expect to feel any effects from Drosetil?

A: The administration guidelines describe that if the medicine is not started on the first day of the menstrual period, a non-hormonal back-up method is specified for use during the first seven days of the initial cycle to ensure consistent efficacy.

Q: Does Drosetil cause weight gain or weight loss?

A: Weight gain is listed in the official documents as a possible adverse reaction. The drospirenone component possesses anti-mineralocorticoid properties, which is described as potentially mitigating the fluid retention sometimes associated with other combined oral contraceptives.

Q: Are there any long-term side effects associated with Drosetil use?

A: Long-term use of combined oral contraceptives (COCs) has been associated with a potential increase in the risk of certain conditions, including liver tumors (hepatic adenomas) and cervical cancer in some epidemiological studies. Official labels include information that women using combined oral contraceptives for extended periods are monitored.

Q: Is it true that Drosetil can affect sleep patterns?

A: The medicine is approved to treat symptoms of Premenstrual Dysphoric Disorder (PMDD), which includes changes in sleep or appetite. Official warnings also mention that depression is listed as an adverse reaction.

Q: Does Drosetil interact with alcohol?

A: Official information generally describes the interaction between Drosetil and alcohol as a minor interaction. As a general practice when taking prescription medication, patients are advised to discuss the use of alcohol with a healthcare provider.

Q: Can Drosetil change the color of my urine?

A: A change to dark urine is listed in the official safety information as a potential sign of a serious reaction, such as a liver problem (jaundice). This effect is not listed as a common, non-severe reaction, and is considered a finding to be addressed by a healthcare provider.

Q: How long does Drosetil stay in the body after the last use?

A: Regulatory documents provide data on the elimination of the active ingredients, which is described by half-life values. Drospirenone has an average terminal half-life of approximately 30 hours, and ethinyl estradiol has a terminal half-life of approximately 18 to 24 hours. The half-life describes how quickly the concentration of a substance decreases in the body.

Q: Can Drosetil be crushed or split if the tablet is too large?

A: The manufacturer has not provided specific instructions that permit the tablet to be crushed or split. The tablets are intended to be taken whole.

Q: Is it normal to have mild stomach upset when starting Drosetil?

A: Nausea/vomiting and abdominal pain/discomfort are listed among the most frequent adverse reactions reported in clinical studies. Experiencing these mild stomach effects may be common when starting the course of treatment.

Q: Is it safe to drive while taking Drosetil?

A: Official safety information lists headache and dizziness as potential adverse reactions. Patients who experience side effects that could affect motor skills or concentration should use caution when operating machinery or driving.

Q: Does Drosetil affect blood sugar levels?

A: Official warnings note that Drosetil can affect carbohydrate and lipid metabolic processes. Official information indicates that women with prediabetes or diabetes are typically monitored closely when using this medication.

Q: Are there specific vitamins I should avoid while on Drosetil?

A: The official label primarily warns about interactions with certain medicines and herbal products, especially those that increase potassium levels. There are no specific vitamins listed in the official warnings that must be universally avoided.

Q: What is the purpose of the 'inactive ingredients' in Drosetil tablets?

A: The inactive ingredients are components such as fillers, binders, coatings, and colorants that contribute to the stability, appearance, and absorption of the tablet but do not have a pharmacological effect themselves.

Q: Does Drosetil affect heart rate or blood pressure?

A: Official warnings state that the use of Drosetil may cause an increase in blood pressure. For this reason, women with uncontrolled hypertension are contraindicated (must not use) the medicine, and blood pressure monitoring is typically conducted.

Q: Does Drosetil have a risk of dependence or addiction?

A: Drosetil is not classified as a controlled substance under the Controlled Substance Act (CSA). The medicine is a combined hormonal contraceptive.

Q: Is there a generic version of Drosetil available?

A: The FDA has approved generic versions of the reference product containing the combination of drospirenone and ethinyl estradiol. These generic equivalents are available by prescription.

Q: Has Drosetil been recalled for any safety issues?

A: All prescription medicines are continuously monitored by regulatory agencies through Postmarketing Surveillance. This system collects reports of safety issues, including adverse events and quality concerns, after the medicine is made available to the public.

Q: Can Drosetil cause changes in mood or anxiety?

A: Official documentation lists mood changes among the most frequent adverse reactions. The label also contains warnings about depression and advises that women should be monitored for new or worsening depressive symptoms.

Q: Is it possible to be allergic to Drosetil?

A: Although rare, official safety information lists potential serious adverse reactions, including severe swelling known as angioedema. This type of reaction is an urgent safety concern.

Q: Do certain genetic factors affect how Drosetil works?

A: The metabolism of the two active ingredients is handled differently by the body. Ethinyl estradiol is known to be metabolized by certain Cytochrome P450 (CYP) enzymes in the liver, while the metabolism of drospirenone is largely independent of these enzymes.

Q: Can Drosetil cause dry mouth or dry eyes?

A: Official adverse reaction listings do not include dry mouth or dry eyes among the most frequently reported effects. However, the label does advise that the medicine may cause visual problems, which can lead to contact lens intolerance.

How should Drosetil be stored and disposed of?

Storage and Disposal of Drosetil

Drosetil (Drospirenone/Ethinyl Estradiol) must be stored according to official regulatory specifications to maintain its stability and effectiveness.

Required Storage Conditions

The medication must be stored at Controlled Room Temperature, specifically between 20 C and 25 C (68 F and 77 F). The product must remain in its original container to ensure protection from light and moisture. It is required that the medicine be stored out of the reach of children.

Official Disposal Instructions

Disposal of unused or expired Drosetil must follow local regulatory requirements for pharmaceutical waste. The medication must not be flushed down the toilet or poured into a drain to prevent environmental contamination, as directed by official guidelines.

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

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