Vixpo

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Vixpo

Here is a quick overview of the key properties of Vixpo:

Property Description
Active Ingredients Drospirenone, Ethinyl Estradiol
Form Film-coated tablet (Oral)
Pharmacological Class Estrogens and Progestins (Combined Hormonal Contraceptive)
Common Purpose Pregnancy prevention (Contraception)
Origin Synthetic hormones

Vixpo's Classification and Form

Vixpo is a prescription-only oral Combined Hormonal Contraceptive (CHC), specifically classified within the pharmacological group of Estrogens and Progestins. This type of combination product is designed for high efficacy in providing reversible birth control. Vixpo is formulated as a monophasic film-coated tablet taken via the oral route. The medication is delivered in a 28-day cycle, designed to provide a consistent dose of hormones over 24 consecutive days, followed by a four-day hormone-free interval.

What is Vixpo's Active Composition?

The active composition of Vixpo relies on two synthetic active ingredients: Drospirenone and Ethinyl Estradiol, which are the international non-proprietary names (INN) for the progestin and estrogen components. The use of Ethinyl Estradiol in a low-dose formulation is a key feature of this combination. Drospirenone is structurally unique as a spironolactone analogue. This structure confers properties that are distinct from many other progestins, specifically providing antimineralocorticoid and antiandrogenic activity.

General Purpose of Vixpo

The primary purpose of Vixpo is to achieve pregnancy prevention (contraception) by systematically regulating the menstrual cycle. This effect is realized through the mechanism of suppressing ovulation and altering cervical mucus consistency to impede sperm transport. Furthermore, the antiandrogenic property of the Drospirenone component provides an intended auxiliary benefit for patients managing conditions where hormonal skin effects are a concern.

Regulatory References

  1. Estrogens and Progestins
  2. Drospirenone
  3. Ethinyl Estradiol
  4. antimineralocorticoid
  5. antiandrogenic

What side effects are possible with Vixpo?

Official Safety Profile and Adverse Reactions

The safety profile for Vixpo (Drospirenone / Ethinyl Estradiol) is characterized by classifying possible effects according to official regulatory standards (e.g., FDA and EMA) into categories of frequency and physiological system affected.

Frequency-Classified Common Adverse Reactions

Adverse reactions classified as common in regulatory documentation often involve the nervous system, reproductive system, and gastrointestinal system. These typically include headache or migraine, nausea and vomiting, and breast pain or discomfort. Other common effects listed are changes in mood (including depression), decreased libido, and various forms of menstrual irregularity.

Serious Adverse Reactions and Systemic Risks

Regulatory documents emphasize specific, serious risks associated with combined hormonal contraceptives. The most significant serious adverse reaction is the potential for Venous Thromboembolism (VTE) and Arterial Thromboembolism (ATE), which includes events such as Deep Vein Thrombosis, Pulmonary Embolism, Stroke, and Myocardial Infarction. The label also highlights the risk of Hyperkalemia (high potassium levels) due to the drospirenone component, particularly in individuals with pre-existing conditions affecting the kidneys or adrenal glands. Association with certain malignant neoplasms (e.g., liver tumors) is also noted in regulatory texts.

Safety Considerations for Specific Populations

Specific constraints are documented in the official safety materials. The medication is strictly contraindicated in females over 35 years of age who smoke due to a substantially increased risk of serious cardiovascular events. It is also contraindicated in patients with renal impairment, hepatic impairment, or adrenal insufficiency. Furthermore, the risk of blood clots is generally documented as being highest during the first year of use or after resuming treatment following a prolonged break.

Overdose and Emergency Response

The official regulatory documentation for Vixpo (Drospirenone and Ethinyl Estradiol) defines the drug's overdose profile by concentrating on expected clinical manifestations and required emergency actions, which reflects the low acute toxicity generally associated with combined hormonal contraceptives.

The officially documented clinical signs reported following an acute overdose primarily involve the gastrointestinal and reproductive systems. These manifestations include nausea, vomiting, and instances of vaginal bleeding, which regulatory sources may refer to as withdrawal bleeding. The acute toxicity of this medication is classified as generally low, and severe or life-threatening outcomes are not explicitly documented as common acute results of uncomplicated overdose.

Given that no specific antidote is known, the immediate regulatory mandate is to seek emergency medical attention or contact the Poison Help line immediately upon suspected significant ingestion. Overdose management is limited to the provision of symptomatic and supportive treatment and requires observation and general monitoring. A specific note in the regulatory information highlights that withdrawal bleeding may specifically occur in young girls if the overdose ingestion happens before the onset of menstruation. This descriptive profile ensures strict adherence to label-based information regarding overdose presentation and mandated help-seeking procedures.

Therapeutic Uses of Vixpo

Vixpo provides therapeutic support across key domains, focusing on support for fertility management and the symptomatic management of hormonally driven conditions.

Primary Benefit: Contraception and Cycle Regulation Support

This medication is primarily used to offer support for pregnancy prevention. Due to the properties of its active components, the medication is commonly used to help with groups of symptoms that interfere with daily comfort related to cycle regulation and bleeding patterns. The general patient benefit is that it may assist with maintaining functional stability and a sense of routine when symptoms are more noticeable.

Managing Hormonally Driven Symptoms

Vixpo is used for the symptomatic management of moderate acne vulgaris and for helping with symptoms related to the severe emotional and physical distress characteristic of Premenstrual Dysphoric Disorder (PMDD). These are conditions characterized by periods of heightened symptoms where Vixpo may assist in addressing symptom clusters that become intense or disruptive, such as pronounced irritability, fluid retention-related bloating, and inflammatory lesions. This symptomatic support contributes to easing the overall symptom load and supports general well-being.


Quick Fact: Symptom Support Therapeutic Domain
Support for pregnancy prevention Fertility Management
Assistance with severe emotional and physical distress PMDD Symptom Management
Addressing symptoms of moderate skin outbreaks Hormonally Driven Acne

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

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

This section defines eligibility for Vixpo (ethinylestradiol/drospirenone) strictly according to government regulatory documentation, primarily based on contraindications and use in specific populations.


Eligibility Status Description (Based on Regulatory Labeling)
Allowed Population Women of reproductive age who are post-menarcheal and do not have any listed contraindications.
Contraindicated Groups Pregnant women; individuals with a current or history of venous or arterial thromboembolism (VTE/ATE); or those with predisposing conditions (e.g., severe dyslipidaemia, uncontrolled severe hypertension, inherited clotting disorders).
Condition Exclusions Severe hepatic disease (impaired liver function until normal) and severe renal impairment or acute renal failure are absolute contraindications. The drug must also not be used in the presence of liver tumours or malignancy suspected to be influenced by sex steroids.
Age Rules Not indicated for use in pre-menarcheal children or post-menopausal women.
Lactation Status Not recommended for use during breastfeeding.

Official eligibility statements: Eligibility is conditional on the absence of severe cardiovascular risk factors and organ dysfunction. Regulatory documents define a strict exclusion profile, stating that Vixpo must not be used by individuals with a high risk of blood clots or severe liver/kidney disease. Use is confined to the reproductive years and is not established or indicated outside this age range.

What should I know about interactions with other medicines?

The official interaction profile for Vixpo (Drospirenone/Ethinyl Estradiol) is governed by both pharmacokinetic and pharmacodynamic domains that mandate specific co-administration restrictions documented in regulatory labeling.

Contraindicated and High-Risk Combinations

The medication is formally contraindicated with certain Hepatitis C drug regimens (e.g., those containing Ombitasvir/Paritaprevir/Ritonavir) due to the documented risk of elevated liver enzymes. A population-specific contraindication also applies to women over 35 years of age who smoke. The need to discontinue Vixpo and restart approximately mathbf2 weeks after certain Hepatitis C treatments constitutes a mandatory timing restriction.

Pharmacokinetic Interactions

Interactions involving the metabolic clearance of Vixpo can alter its exposure or the exposure of co-administered drugs. Strong CYP3A4 inhibitors (e.g., Ketoconazole) cause a documented mathbf2-to mathbf3-fold increase in the systemic exposure of Drospirenone. Conversely, CYP enzyme inducers (including anticonvulsants like Phenytoin or the herbal product St. John’s Wort) lead to a reduced systemic exposure of both hormones, risking decreased effectiveness. Vixpo also acts as a metabolic inhibitor, significantly increasing the plasma concentration of the CYP1A2 substrate Tizanidine.

Pharmacodynamic Interactions and Monitoring

Due to the antimineralocorticoid activity of Drospirenone, a pharmacodynamic interaction exists with Potassium-Elevating Drugs (e.g., ACE Inhibitors, Potassium-Sparing Diuretics) that increases the risk of hyperkalemia. Serum potassium monitoring is required during the first cycle for patients with predisposing conditions like renal insufficiency when these agents are co-administered.

Mechanism of Action

How Vixpo Works

Vixpo operates through a combined action of two synthetic hormones, ethinylestradiol (an estrogen) and drospirenone (a progestin), by modulating specific reproductive and endocrine pathways.


Central Suppression of Ovulation (HPO Axis)

The active hormones engage in negative feedback with the brain and pituitary gland, directly suppressing the Hypothalamic-Pituitary-Ovarian (HPO) axis. This mechanistic cascade prevents the surge of Luteinizing Hormone (LH) and inhibits the maturation and release of an egg from the ovary, which is a key physiological consequence that limits ovulation.


Local Modulation of Reproductive Tract Tissues

Vixpo influences biological processes in the peripheral reproductive tract, providing an additional mechanistic effect. The progestin component alters the cervical mucus to increase its viscosity and causes changes to the endometrial lining. This modulation creates a high-viscosity local environment. This physical barrier restricts sperm migration, and the altered endometrium exhibits reduced receptivity for a blastocyst.


Antagonism of Mineralocorticoid Receptor Signaling

The progestin drospirenone possesses competitive antagonism at the mineralocorticoid receptor. This action engages the body's mechanisms that regulate fluid and sodium balance. This antagonism affects renal signaling pathways, influencing fluid and sodium excretion.

Dosage and Administration Information

How Vixpo is Used: Administration Guidelines

Vixpo is administered via the oral route using a structured 28-day regimen. The medication is supplied as film-coated tablets in a pack containing 24 active, pink tablets and 4 inactive, white placebo tablets. The continuous cycle is essential for the product's intended use in contraception and symptom management.


Standard Dosing and Schedule

The standard regimen involves taking one tablet once daily for 28 consecutive days. Treatment is typically initiated on the first day of the menstrual cycle.

Cycle Component Duration Tablet Type Active Ingredients
Active Phase 24 days Pink, round 3.0 mg Drospirenone / 0.02 mg Ethinyl Estradiol
Placebo Phase 4 days White, round None

Administration requires following the fixed order indicated on the blister pack, ensuring the 24 active tablets are taken before the 4 inactive tablets. A new 28-day pack is started immediately after the last placebo tablet is taken, establishing a long-term, continuous pattern of use without a break between packs.


Administration Specifics

For proper use, the daily tablet should be swallowed whole with some liquid at approximately the same time each day. The medication may be taken with or without food.

Specific administration constraints apply to certain populations: Vixpo is not recommended for use in individuals with severe hepatic impairment or those with renal insufficiency where creatinine clearance is less than or equal to 50 mL/min. The standard regimen is used in post-menarchal females.

Recent Clinical Evidence

Research Evidence / Overview of Studies

The active components in Vixpo are a combination of ethinylestradiol (an estrogen) and drospirenone (a progestin), administered in a 24-day active pill and 4-day inactive pill (24/4) regimen. The 24/4 dosing scheme differs from the traditional 21/7 regimen by shortening the hormone-free interval.

Studies examined the combination drug in several areas, primarily focusing on contraception and moderate acne vulgaris.

Core Efficacy Research

Clinical research explored associations with contraception and various outcomes related to menstrual cycle control. These investigations evaluated the contraceptive reliability of the 20 \mug ethinylestradiol and 3 mg drospirenone combination. Findings generally align with results observed in other international studies of this specific drug formulation.

One key study investigated the combination's use in women with moderate acne vulgaris. This research showed that the formulation was associated with a reduction in both inflammatory and non-inflammatory acne lesions compared to placebo, and a greater percentage of participants achieved "clear" or "almost clear" skin as rated by investigators.


Safety and Tolerability Research

Research information related to safety is available, including details about the specific health conditions of the populations studied. Studies also examined the occurrence of side effects, which were generally consistent with those reported for other low-dose combined oral contraceptives. Research examined different dosage levels in specific studies to assess cycle control and tolerability.


Comparative Analysis

Further research compared the combination of ethinylestradiol 20 \mug and drospirenone 3 mg to standard single-drug therapy or other combined oral contraceptives. These studies primarily focused on objective measures of physical function and cycle control. Results varied depending on the specific patient population examined. It is not yet clear how the combination compares to single-drug approaches across all patient groups for all potential outcomes.

Frequently Asked Questions (FAQ)

Common questions about Vixpo (FAQ)

Q: Is Vixpo used for anything besides preventing pregnancy?

Official regulatory documents state that this medication is primarily indicated for pregnancy prevention (contraception). Additionally, certain formulations are officially indicated for the treatment of moderate acne vulgaris and for the treatment of symptoms of Pre-Menstrual Dysphoric Disorder (PMDD) in females who choose to use an oral contraceptive.

Q: What is the main difference between Vixpo and other combined hormonal contraceptives?

Vixpo is classified as a combined hormonal contraceptive, but its unique characteristic is the inclusion of the progestin drospirenone. According to official product information, drospirenone possesses antimineralocorticoid and antiandrogenic activity, which are distinct pharmacological properties compared to some other progestins used in birth control pills.

Q: How quickly does Vixpo start to be effective for contraception?

Contraceptive effectiveness is generally not achieved until after the first 7 consecutive days of active tablet administration. The official regimen states that the use of a non-hormonal contraceptive method, such as condoms, is described as necessary as a back-up during this first week of use.

Q: What happens if I miss a dose of Vixpo?

Regulatory instructions provide specific guidelines for a missed dose, which depend on how many active tablets were missed and where in the cycle the omission occurred. These guidelines describe the necessary actions based on the timing of the missed dose and indicate the potential impact on contraceptive protection.

Q: Are there any common long-term effects of taking Vixpo?

While the duration of use is generally not limited in official documents for healthy users, the risk of serious side effects, such as blood clots (VTE), is documented as being highest during the first year of use or upon restarting after a break of four weeks or more.

Q: Is weight gain a common side effect reported by Vixpo users?

Official documentation for this drug formulation lists both weight gain and weight decrease as adverse reactions reported in clinical trials. They are typically classified as uncommon side effects, affecting less than 1 in 100 users.

Q: What are the most serious possible risks associated with taking Vixpo?

The most serious risks emphasized in official warnings are Venous and Arterial Thromboembolic Events (VTE/ATE), which include conditions like Deep Vein Thrombosis and Stroke. The risk of Hyperkalemia (high potassium levels) is also noted due to the drospirenone component, particularly in individuals with certain pre-existing conditions.

Q: Can Vixpo change the pattern of my menstrual bleeding?

Yes, official documentation lists irregular menstrual periods, spotting, or breakthrough bleeding as common adverse reactions. Official documents note that persistent or recurrent bleeding, or new bleeding after previously regular cycles, is a pattern that is generally recommended for professional evaluation.

Q: Do foods or drinks, like coffee, affect how Vixpo works?

Official product information states that the tablet may be taken with or without food. However, regulatory documents mention that grapefruit juice can potentially increase the blood levels of the drospirenone component of the medication.

Q: Can taking Vixpo cause mood changes or depression?

Official documents list mood changes, depressive mood, and nervousness as common adverse reactions reported by patients during clinical studies. These are recognized potential effects on the central nervous system.

Q: What is the experience of switching from a different birth control pill to Vixpo?

Regulatory guidelines detail the timing for switching from other hormonal contraceptives, typically starting the day after the last active pill or hormone-releasing product. While the medical instructions are clear, official sources do not comment on the subjective 'experience' of the switch.

Q: Are there specific age groups where Vixpo is not recommended?

Yes. The drug is strictly contraindicated for use in women over 35 years of age who smoke. Furthermore, it is not indicated for use in pre-menarcheal children (before their first period) or post-menopausal women.

Q: What if I take Vixpo and start experiencing spotting or breakthrough bleeding?

Spotting or breakthrough bleeding is a common side effect, particularly within the first few cycles of use. Official product information suggests that if bleeding is persistent, recurrent, or starts after many months of regular cycles, such patterns warrant professional evaluation.

Q: Can herbal supplements interfere with the effectiveness of Vixpo?

Yes. Regulatory documents specifically mention the herbal product St. John’s Wort as a CYP enzyme inducer. Use of St. John’s Wort can lead to reduced systemic exposure of the contraceptive hormones, potentially risking decreased effectiveness.

Q: Is Vixpo effective immediately after I start taking the first packet?

No. Official documents state that the medication is not considered effective as a contraceptive until after the first 7 consecutive days of active tablet administration. The official regimen states that the use of a non-hormonal back-up method is generally described as necessary during this initial period.

Q: What should I do if I forget to take Vixpo while traveling across time zones?

Official administration guidelines emphasize taking the tablet at approximately the same time each day. The guidelines describe that if a change in time results in a dose being missed or taken late, the detailed regulatory instructions for missed doses are to be followed.

Q: Are there any known interactions between Vixpo and antibiotics?

Regulatory documents caution that drugs that induce hepatic enzymes, which includes some antibiotics, may decrease the effectiveness of the contraceptive pill. This can potentially increase the risk of pregnancy or breakthrough bleeding.

Q: Can Vixpo make existing migraine headaches worse?

While the official label notes that headaches and migraine are common side effects, the label states that a significant change in the pattern of headaches or migraines is a condition that requires professional evaluation and may be grounds for discontinuation of the medication.

Q: Is it normal to feel nausea when first starting Vixpo?

Nausea is listed as a very common adverse reaction in official clinical trial data. Official administration guidelines describe that if vomiting occurs within 3–4 hours of taking the active pill, the regulatory instructions for a missed dose are to be followed due to the possibility that the pill was not fully absorbed.

Q: Can Vixpo be taken by someone who is lactose intolerant?

Official product information documents (e.g., SmPC and DailyMed) list lactose as an inactive ingredient (excipient) in both the active and placebo tablets. Official documentation notes that this information is relevant for patients with conditions like hereditary problems of galactose intolerance or severe lactose deficiency and is a factor for professional consideration.

Q: Are there any specific concerns for Vixpo use in women with diabetes?

Yes. Regulatory documents state the drug is contraindicated in women with diabetes mellitus with vascular disease. For women with prediabetes or diabetes who use the drug, official warnings state that appropriate monitoring is required for women.

Q: Why do I need a prescription for Vixpo even though it's a common medication?

Vixpo is classified as a prescription-only medicine by regulatory bodies because its use is associated with significant and potentially serious risks, such as thromboembolism. These risks require medical evaluation and screening for pre-existing conditions before the drug can be safely started.

Q: What is the likelihood of developing a serious side effect from Vixpo?

Official documents describe the absolute risk of serious side effects, such as Venous Thromboembolism (VTE), as being highest during the first year of use or when restarting the medication. Specific likelihoods (rates) for serious events can be found in the Epidemiology sections of regulatory product information.

Q: Is Vixpo considered an 'extended cycle' or continuous birth control?

The official labeling describes the product as having a 24-day active pill regimen followed by a 4-day inactive/placebo pill interval (a 24/4 regimen). This dosing scheme involves a shorter hormone-free interval than the traditional 21/7 pills.

Q: Are there any documented interactions between Vixpo and thyroid medication?

Yes. Official documentation notes that hormonal contraceptives may affect thyroid function tests by increasing a protein called thyroid-binding globulin (TBG). The official warning indicates that adjustments to thyroid hormone dose and appropriate monitoring may be necessary for patients on thyroid replacement therapy.

Q: Can I still get pregnant if I use Vixpo exactly as prescribed?

No contraceptive method is 100% effective. Clinical studies on this drug formulation provide a pregnancy rate (Pearl Index) for the population studied, which confirms that there is a small, documented possibility of pregnancy even when the medication is used perfectly.

Q: Do studies support the use of Vixpo for managing premenstrual symptoms?

Official regulatory indications confirm the drug is approved for the treatment of symptoms of Pre-Menstrual Dysphoric Disorder (PMDD) in appropriate patients. However, the product has not been evaluated or indicated for the treatment of the milder condition, Pre-Menstrual Syndrome (PMS).

Q: What is the definition of the 'secondary' uses of Vixpo mentioned in patient leaflets?

The secondary uses are the officially recognized and approved uses beyond contraception. For this formulation, official documents state they include the treatment of moderate acne vulgaris and the treatment of symptoms of Pre-Menstrual Dysphoric Disorder (PMDD) in specific populations.

Q: Is the effect of Vixpo on acne well-documented in research?

Yes. Official documents indicate that the drug is approved for the treatment of moderate acne vulgaris and refer to clinical studies. This research demonstrated its efficacy in reducing inflammatory and non-inflammatory acne lesions compared to a placebo.

Q: Why is Vixpo sometimes prescribed for reasons other than contraception?

The medication is sometimes prescribed for other reasons because it has additional, officially approved indications. These include treating symptoms of Pre-Menstrual Dysphoric Disorder (PMDD) and treating moderate acne vulgaris in patients who also want contraception.

Q: Can taking Vixpo influence my appetite?

Official adverse reaction listings include both loss of appetite (anorexia) and increased appetite as potential side effects. These effects are generally classified as less common in the frequency categories reported during clinical trials.

Q: What evidence exists regarding Vixpo's effect on fluid retention?

The progestin component, drospirenone, has antimineralocorticoid activity, a mechanism that influences the body's balance of fluid and sodium. Because of this, adverse reaction reports sometimes include edema (fluid retention or swelling).

Q: How does the drospirenone component in Vixpo compare to progestins in other pills?

Drospirenone is structurally unique because it is a spironolactone analogue, which gives it distinct pharmacological properties compared to other common progestins. Regulatory documents note these properties include antimineralocorticoid and antiandrogenic activity.

How should Vixpo be stored and disposed of?

How to Store and Dispose of Vixpo?

Official Storage Requirements

Vixpo tablets must be stored according to the official conditions specified in the regulatory labeling to maintain their quality and stability.

  • Temperature: Store the medicinal product below 30°C.
  • Protection: The product must be stored in the original package to ensure protection from light and moisture.
  • Child Safety: Vixpo must be kept out of the sight and reach of children.

Disposal Instructions

Official guidelines dictate how unused or expired Vixpo must be discarded to prevent environmental contamination.

  • The tablets must not be disposed of via wastewater or household waste.
  • Unused medicine should be returned to a pharmacist or a designated local collection program for proper pharmaceutical waste handling, as required by environmental regulations.

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

Available in countries:

Equivalent of Vixpo found in:

A-Z Index: