Micropil Plus

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Micropil Plus

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Micropil Plus

Quick Facts

Property Description
Active ingredient Norethisterone, Ethinyl Estradiol, Ferrous Fumarate
Form Oral tablet (film-coated)
Pharmacological class Hormonal Contraceptive (Estrogen/Progestin combination)
Common use Prevention of pregnancy
Origin Synthetic (hormones), Mineral (iron)

What Type of Medicine is Micropil Plus?

Micropil Plus is classified as a systemic hormonal contraceptive belonging to the drug class of Estrogens and Progestins in fixed combinations. Its primary therapeutic purpose is the effective prevention of conception or pregnancy in women of reproductive age. This action is clinically recognized for its reliability when the medication is taken as directed. The effectiveness of combined oral contraceptives relies on the use of both an estrogen and a progestin to disrupt the normal reproductive cycle. The preparation is a prescription-only medication that functions by delivering synthetic hormones through the oral route of administration.

Composition: Estrogen, Progestin, and Iron

The preparation is a combination product formulated as an oral tablet containing three key ingredients. The two active hormonal agents are the synthetic estrogen Ethinyl Estradiol and the progestin Norethisterone (Norethindrone). These compounds are responsible for the contraceptive action. The formulation also includes Ferrous Fumarate, a mineral compound which acts as an iron supplement and is taken during the non-hormonal phase of the dosing regimen. The inclusion of the iron supplement, which is common in similar fixed combinations, is intended to help maintain iron levels during monthly blood loss.

How Micropil Plus Differs from Other Pills

The Micropil Plus brand is distinguished by its specific triad of components. Its structure, which integrates both an estrogen and a progestin, fundamentally differentiates it from Progestin-Only Pills (mini-pills). Furthermore, the inclusion of Ferrous Fumarate tablets in its 28-day packaging (as opposed to inert placebos) sets it apart from standard two-hormone COCs. This specific combination medicine structure ensures that the systemic hormonal method for prevention of pregnancy is coupled with mineral intake support for women of reproductive age.

What side effects are possible with Micropil Plus?

Possible side effects and safety information

The official safety profile for Micropil Plus, a combined oral contraceptive containing Norethisterone, Ethinyl Estradiol, and Ferrous Fumarate, is structured by government regulatory documents to communicate potential adverse reactions and key safety constraints.

Adverse effects are classified by frequency, based on clinical data. Very Common effects include irregular uterine bleeding or spotting, which is often observed during the initial cycles of use. Common reactions often involve the gastrointestinal and nervous systems, such as nausea, headache (including migraine), breast tenderness, mood changes, and fluctuations in body weight. The Ferrous Fumarate component contributes to gastrointestinal effects such as constipation and abdominal discomfort.

Key Regulatory Safety Classifications

Category Examples (as documented in regulatory sources)
Serious Adverse Reactions (Rare) Venous Thromboembolism (VTE), Arterial Thromboembolism (ATE), Hepatic Neoplasia
System-Organ Classes Vascular Disorders, Reproductive System and Breast Disorders, Nervous System Disorders, Psychiatric Disorders
Time-Related Pattern Irregular bleeding is more frequent during the initial cycles of treatment.

Serious adverse reactions, though classified as Rare, are clinically significant and primarily involve vascular events, such as VTE (e.g., Deep Vein Thrombosis, Pulmonary Embolism) and ATE (e.g., stroke, myocardial infarction), and, very rarely, hepatic tumors. Safety constraints restrict use in individuals with specific pre-existing conditions. For instance, the medication is formally contraindicated in those with a history of VTE/ATE or severe hepatic disease. Regulatory documents also note an increased risk of serious cardiovascular events in women who smoke and are over 35 years of age.

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for Micropil Plus recognizes the distinct risks posed by its two primary components. Overdosage involving only the hormonal components (Ethinyl Estradiol and Norethisterone) is typically reported as causing minor, non-serious effects, such as nausea and withdrawal bleeding in females. No reports of serious ill effects from hormonal overdose have been documented in official regulatory sources.

However, the presence of the Ferrous Fumarate component introduces a severe and potentially life-threatening risk. Symptoms of severe iron toxicity may include profound manifestations like stomach pain, vomiting, bloody stools, hypotension, shock, seizures, and coma. The regulatory documents note that accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6.

Due to the critical risk posed by the iron supplement, regulatory guidance mandates specific emergency actions. Call a doctor or poison control center immediately upon suspected overdose. Immediate medical attention is required if the affected person exhibits life-threatening signs such as collapse, trouble breathing, or unresponsiveness. Treatment procedures documented in regulatory labeling may include measures like Chelation therapy to remove iron, along with vital sign monitoring and supportive care.

Therapeutic Uses of Micropil Plus

What Micropil Plus Treats: Main Uses and Benefits

This medication is generally used to provide supportive contraception for women of reproductive age, applied in the context of long-term family planning. It also plays a role in managing conditions characterized by heightened symptoms. The hormonal combination plays a role in managing symptom clusters that may become intense or disruptive, such as debilitating dysmenorrhea (painful periods) and menorrhagia (abnormally heavy bleeding).

This use supports patients and contributes to easing the overall symptom load of cyclical discomfort, and may assist with managing symptoms that interfere with daily comfort, such as unpredictability. Furthermore, the inclusion of an iron supplement provides supportive relief for symptoms related to systemic imbalance associated with blood loss, assisting with maintaining functional stability.

The medication is commonly used to help with domains such as supportive contraception, management of painful and heavy periods, and support for systemic imbalance related to cyclical blood loss.

“The medication is considered relevant for easing the overall symptom load while supporting functional stability in reproductive health.”

Quick Fact: Symptom Support
Symptom focus: Painful cramps, excessive menstrual flow, and cyclical mood discomfort.
Benefit: Supports patients during difficult episodes and assists with maintaining functional stability during symptomatic periods.
Clinical Context: Applicable in conditions involving recurrent or episodic symptom manifestations.

Regulatory References

  1. NIH StatPearls on Oral Contraceptive Pills

Eligibility and Restrictions for Use

Micropil Plus is indicated for use by females of reproductive potential for the prevention of pregnancy. However, eligibility is strictly limited by regulatory contraindications designed to prevent serious health risks, primarily those related to blood clots and hormone-sensitive conditions.

Contraindications (Who Must Not Use)

The medicine is strictly contraindicated in females who have or develop the following conditions, as stated in official labeling:

  • High Risk of Thrombotic Disease: Including a current or history of deep vein thrombosis, pulmonary embolism, stroke, or inherited hypercoagulopathies.
  • Smoking and Age: Women over 35 years of age who smoke (ge 15 cigarettes/day).
  • Hormone-Sensitive Cancers: Known or suspected breast cancer or other estrogen- or progestin-sensitive cancers.
  • Liver Conditions: Active liver disease, severe (decompensated) cirrhosis, or liver tumors (benign or malignant).
  • Other Conditions: Known or suspected pregnancy and undiagnosed abnormal uterine bleeding.

Restricted or Conditional Use

Population Restriction Status
Postpartum Must be started no earlier than 4 weeks after delivery if not breastfeeding.
Lactation Use is restricted; an alternative contraceptive method is typically advised.
Hypertension Contraindicated if uncontrolled; conditional use if well-controlled, with blood pressure monitoring.
Surgery Must be stopped at least 4 weeks before and through 2 weeks after major surgery with prolonged immobilization.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines interactions with other substances that may affect the effectiveness or safety of Micropil Plus, based on official regulatory documentation.


Contraindicated Combinations

Certain combinations are explicitly prohibited due to a high risk of adverse reactions or treatment failure:

Substance Regulatory Restriction
Hepatitis C Regimens (Ombitasvir/Paritaprevir/Ritonavir, with or without Dasabuvir) Contraindicated due to risk of elevated liver enzymes (ALT).
Fezolinetant Contraindicated per official regulatory warnings.
Tranexamic Acid (Oral) Contraindicated due to increased thrombotic risk.

Interactions Affecting Contraceptive Efficacy

Medicines that induce hepatic enzymes, primarily the CYP3A4 system, can significantly decrease the plasma concentrations of Ethinyl Estradiol and Norethisterone, which may lead to a loss of contraceptive protection. Official regulatory documents list Rifampicin, Carbamazepine, Phenytoin, Griseofulvin, and Phenobarbitone as strong inducers. St. John’s Wort, a common herbal product, is also documented to reduce hormone levels.

Other Documented Interactions

Substances that inhibit CYP enzymes, such as certain HIV medications, may increase hormone exposure.

Interactions with the iron supplement component, Ferrous Fumarate, are also noted. These involve substances like dairy products and phytic acid-containing foods that can impair iron absorption.

Official labeling contains specific cautions regarding the combination of smoking and COC use in women over 35 years old due to significantly increased cardiovascular risk.

Mechanism of Action

Suppression of the Central Hormonal Feedback Loop

Micropil Plus acts as a targeted modulator of the hypothalamic-pituitary-ovarian (HPO) axis, the body's central control system for reproductive hormones. Its hormonal components provide negative feedback to the hypothalamus and pituitary gland, suppressing the pulsatile release of GnRH and the subsequent secretion of gonadotropins, specifically Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH). This mechanistic action prevents the follicular maturation and release of an ovum (anovulation), which is the primary physiological consequence that shapes the drug's overall systemic impact.

Modulating Peripheral Reproductive System Tissues

The drug engages mechanisms that influence downstream peripheral targets, primarily by altering the local environment of the cervix and uterus. The progestin component modifies progesterone receptor activity in these tissues, leading to increased viscosity of cervical mucus and morphological changes to the endometrial lining. This acts as a secondary layer of mechanistic interference, contributing to downstream physiological adjustments that modify the local environment of the cervix and endometrium.

Dosage and Administration Information

Official Administration Guidelines

Micropil Plus is a combination oral contraceptive that must be administered strictly according to a cyclic 28-day schedule. The administration route is solely oral.

Feature Guideline
Dosing Schedule One tablet is taken daily for 28 consecutive days, following the designated order on the package.
Compositional Sequence The regimen involves 21 active hormonal tablets (Norethisterone 400 mcg / Ethinyl Estradiol 35 mcg) immediately followed by 7 non-hormonal tablets (75 mg Ferrous Fumarate).

Procedural Use and Timing

The schedule demands consistent daily timing to maintain efficacy, with each tablet taken at approximately the same time, often suggested to be after supper or at bedtime. The tablet may be taken with or without food.

Initiation protocols specify starting the first active tablet on either Day 1 (the first day of menses) or Day 5 of the menstrual period, depending on the specific regimen chosen for the individual.

Continuous Cycling is mandatory: upon finishing the 28-tablet pack, a new packet must be started immediately on the following day, without any tablet-free interval. This approach defines the long-term use pattern for the duration that this method of contraception is employed.

For adolescents, use is permitted only after the individual has achieved menarche (started menstruation), while the preparation is not indicated for use in geriatric populations. Specific protocols detail handling missed active doses, which may require the temporary use of non-hormonal backup methods if consecutive tablets are missed.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Micropil Plus

This overview describes the scientific research that informs the use of Micropil Plus, detailing the areas that researchers have explored and the aspects that remain uncertain.


Evidence for the Prevention of Pregnancy (Contraception)

The combination medicine was evaluated in studies exploring the prevention of conception. This research includes large-scale Randomized Controlled Trials (RCTs) and long-running observational studies across women of reproductive age. These studies focused on patient-reported experiences such as the pregnancy incidence rate and continuation rates. Findings derived from this body of evidence describe patterns observed in the studies regarding incidence rates, but measured outcomes are fundamentally dependent on subject compliance. Research is limited in fully characterizing the approach in specific populations, such as those with very high BMI.

Evidence for Managing Painful and Heavy Periods

Research explored the use of this hormonal combination in conditions such as dysmenorrhea (painful periods) and menorrhagia (abnormally heavy bleeding). Short-to-intermediate term RCTs monitored patient-reported outcomes describing discomfort and changes in supplemental pain medication use for dysmenorrhea, and measured the volume of menstrual blood loss for menorrhagia. Findings describe observed patterns of change in these measurements. However, the measurement of pain relies on subjective patient self-reporting, and data on the specific action or presence of the ferrous fumarate component in this context is limited.

Research Duration and Uncertainty

Most primary trials monitored subjects over defined time intervals, with follow-up durations for symptomatic changes typically limited to the short-to-intermediate term (e.g., three to twelve cycles). Long-term effects are not fully established concerning the durability of patterns of symptomatic change years after initial observation. Furthermore, specific evidence focusing on populations with certain pre-existing chronic conditions is limited, and data for certain groups remain insufficient. Research highlights what is known — and what is still uncertain — about this combination medicine.

Key Studies & References

  1. Oral Contraceptive Pills - StatPearls (NIH)
  2. Ethinyl Estradiol and Norethindrone (Oral Contraceptives) - MedlinePlus Drug Information (NIH)
  3. Clinical practice guidelines for treatment of Dysfunctional Uterine Bleeding (Guidelines for use in menorrhagia)

Frequently Asked Questions (FAQ)

Common questions about Micropil Plus (FAQ)


Q: Why do some people take Micropil Plus if they are not sexually active?

Official documents indicate that combined oral contraceptives are sometimes prescribed for reasons beyond preventing pregnancy. These non-contraceptive uses may include treating moderate acne. This type of medicine is also described in research for managing conditions such as painful periods (dysmenorrhea) or dysfunctional uterine bleeding.


Q: Does Micropil Plus help with acne or skin issues?

Official product labels for combined oral contraceptives containing Ethinyl Estradiol and Norethindrone may list the treatment of moderate acne as an indicated use. This indication is generally for women who have started menstruating and who choose to use this type of oral contraceptive.


Q: Can Micropil Plus impact my fertility in the future?

Studies examining combined hormonal methods, including oral pills, indicate that use does not appear to delay the return of fertility after the medicine is stopped. Research shows that most women who stop taking the pill become pregnant within 12 months.


Q: Is it true that Micropil Plus can help regulate irregular periods?

Official information notes that birth control pills are commonly used to establish a more regular bleeding pattern. They achieve this by providing a steady dose of hormones, which results in a predictable withdrawal bleed during the non-hormonal tablet week.


Q: Can Micropil Plus be less effective if I have vomiting or diarrhea?

Yes, official guidelines recognize that severe vomiting or diarrhea can potentially reduce how much of the contraceptive hormones the body absorbs. This reduction in absorption may decrease the overall effectiveness of the pill. This concern is particularly noted if symptoms are severe or last for 48 hours or more.


Q: Can I take Micropil Plus if I have a history of migraines?

According to regulatory guidelines, this medicine is strictly contraindicated for women who experience migraine headaches with aura. The presence of migraines without aura is described in official documents as a circumstance requiring a careful evaluation of the potential risks.


Q: What is the difference between Micropil Plus and the generic versions?

Official information confirms that generic versions of oral contraceptives must contain the exact same active hormonal ingredients in the same dosage as the brand name product. This makes them equally effective in preventing pregnancy. The primary difference is often found in the inactive ingredients, such as dyes or fillers, which may be different between brand and generic versions.


Q: Does Micropil Plus protect against sexually transmitted infections?

No, Micropil Plus is a hormonal contraceptive, and its purpose is solely the prevention of pregnancy. Official regulatory guidance states that this medicine does not offer protection against sexually transmitted infections (STIs).


Q: Can people with diabetes use Micropil Plus?

Regulatory documents state that the product is strictly contraindicated for patients who have diabetes that involves vascular disease, such as retinopathy or neuropathy. If a patient’s diabetes is well-controlled without vascular complications, official guidelines indicate that the medicine may be considered only under certain conditions.


Q: Is Micropil Plus a high-dose or low-dose medication?

The official dosage of Ethinyl Estradiol in Micropil Plus is 35 mcg. Regulatory documents classify combined oral contraceptives containing this amount or less of Ethinyl Estradiol as a low-dose oral contraceptive.


Q: How long does it take for Micropil Plus to clear out of my system after stopping?

While the hormones themselves clear from the body relatively quickly, the return to normal reproductive cycles varies by individual. Official information indicates that pregnancy can occur immediately after stopping the pill. The first natural menstrual period will typically occur about a month after the final withdrawal bleed.


Q: Is Micropil Plus considered an 'emergency' medication?

No, Micropil Plus is designed as a daily oral contraceptive for the scheduled prevention of pregnancy. Official regulatory documents do not label or sell the daily pill itself for emergency use.


Q: Are there different strengths or versions of Micropil Plus available?

The standard product documentation specifies a fixed strength and composition for the active ingredients. The presence of different strengths or versions would require separate regulatory approval and is not noted in the standard product information.


Q: Can Micropil Plus cause changes to vision?

Official medical reviews note that hormonal contraceptives can rarely cause ocular (eye-related) side effects. These can include common issues like dry eye or difficulty with contact lenses. Very rare, serious complications involving the eye's blood vessels are also mentioned in safety documents.


Q: What is the definition of 'contraindication' for Micropil Plus?

A contraindication is defined in medical guidelines as a condition or factor that is known to significantly increase the risk associated with using a drug. Therefore, Micropil Plus must not be used if an official contraindication is present.

How should Micropil Plus be stored and disposed of?

Storage and Handling

Micropil Plus (Norethisterone/Ethinyl Estradiol/Ferrous Fumarate) must be stored at Controlled Room Temperature, defined as 20^circC to 25^circC (68^circF to 77^circF). The official labeling permits brief temperature excursions between 15^circC and 30^circC.

  • Protection: The medicine must be protected from light and kept in its original blister packaging until use to maintain stability.
  • Safety: The product must be stored out of the sight and reach of children to prevent accidental ingestion.

Disposal Instructions

Unused or expired tablets should be managed via an authorized drug take-back program if one is readily available.

If a take-back option is unavailable, the tablets must be removed from the packaging and mixed with an undesirable substance (such as dirt or used coffee grounds), placed in a sealed container, and then discarded in the household trash. The tablets must not be flushed down the toilet or poured down the sink.

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

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