Ipreg

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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 Ipreg

Quick Facts

Property Description
Active Ingredients Folic Acid, Pyridoxine HCl, Riboflavin, Thiamine Mononitrate, Tyrosine, Vitamin E Acetate
Form Oral Solid Preparation (Capsule/Tablet)
Pharmacological Class Multivitamin and Amino Acid Complex, Nutritional Agent
Common Use Dietary and Nutritional Support
Origin Combination of Synthetic and Isolated Compounds

What Type of Medicinal Product is Ipreg?

Ipreg is classified as a Nutritional Supplementation Complex belonging to the Multivitamin and Amino Acid Complex pharmacological group. This combination product is supplied as an oral solid preparation, typically a capsule or tablet, designed to provide specific micronutrients and an amino acid precursor for foundational physiological support. Ipreg functions as a Nutritional Agent intended to supplement the diet, thereby supporting key systemic processes rather than treating an acute disease or pathology. It is generally recognized in clinical nutrition for its role in maintaining metabolic balance.


Composition: The Combination of B-Vitamins, Tyrosine, and Vitamin E

The active composition of Ipreg includes six key components: four members of the B-Vitamin GroupThiamine Mononitrate (Vitamin B1), Riboflavin (Vitamin B2), Pyridoxine Hydrochloride (Vitamin B6), and Folic Acid (Vitamin B9)—in combination with the non-essential amino acid Tyrosine and the antioxidant Vitamin E Acetate. The inclusion of Folic Acid is critical for its role in cell growth and metabolism. The product is distinguished by the specific combination of energy-supporting B-vitamins with Tyrosine, an amino acid whose functions are widely supported by pharmacological studies involving neurotransmitter synthesis.


General Purpose: Why is Ipreg Used?

The general purpose of Ipreg is to offer integrated nutritional support that helps maintain essential bodily functions. The B-vitamins primarily support metabolic coenzyme activity, facilitating the necessary conversion of dietary nutrients into energy. Concurrently, Tyrosine acts as a crucial neurochemical precursor, and Vitamin E provides cellular protection through its antioxidant action. B-complex vitamins are necessary for normal nervous system function. This comprehensive combination is used to ensure the steady supply of these components, which are vital for sustained systemic and neurological integrity, particularly in scenarios of increased nutritional demand.

Regulatory References

  1. National Institutes of Health (NIH) emphasizes its role in cell growth and metabolism
  2. National Library of Medicine (NLM) notes that the B-complex vitamins are necessary for normal nervous system function

What side effects are possible with Ipreg?

Possible Side Effects and Safety Information

The safety profile for this medication, which contains micronized progesterone, is based on official classifications defined by government regulatory authorities (such as the FDA and EMA). Adverse reactions are formally grouped by frequency and the body system affected.

Officially Documented Adverse Reactions

The most frequently documented side effects fall into Very Common (1/10) and Common (1/100 to < 1/10) categories. Effects classified as Very Common include headache, somnolence (drowsiness), fatigue, and breast tenderness. Effects classified as Common include dizziness, nausea, abdominal pain, and irregular vaginal bleeding (spotting).

Side effects are primarily observed in the Nervous System (drowsiness, headache), Gastrointestinal System (nausea, pain), and Reproductive System (breast tenderness, spotting).

Serious Safety Considerations

Official labeling highlights the risk of serious adverse reactions, notably thromboembolic events (blood clots, including deep vein thrombosis, pulmonary embolism, and stroke) and severe hepatic dysfunction. Treatment should be suspended if signs of these serious events, or visual disturbances, appear.

Regulatory Restrictions

Official documents define specific contraindications where the medication must not be used. These include known severe hepatic impairment, active or history of thromboembolic disorder, known or suspected hormone-sensitive cancers (such as breast carcinoma), and undiagnosed vaginal bleeding. Additionally, somnolence and dizziness are officially noted to occur more frequently at the start of treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents define the overdose profile of Ipreg (based on micronized progesterone) as primarily characterized by increased central nervous system (CNS) effects. This information strictly details the documented presentations and required actions for overexposure.

Element Official Regulatory Statement
Documented Manifestations Overexposure typically presents with dizziness, drowsiness (somnolence), fatigue, and sometimes temporary vertigo.
Severity Classification Acute symptoms resulting from overdose are generally classified as non-life-threatening and relate to excessive sedation rather than severe systemic toxicity.
Antidote Status No specific antidote is known for overexposure, according to official labeling.

Emergency Action Requirements

In the event of suspected overexposure or if documented clinical manifestations occur, immediate action is required. Regulatory guidance mandates that patients seek immediate medical attention or contact a Poison Control Center.

Officially Described Management:

  • Discontinuation of the product is required upon confirmation of overdose.
  • Treatment is restricted to symptomatic and supportive measures.

Regulatory Summary

The overall overdose framework strictly defines the need for urgent help based on the appearance of CNS effects, requiring the cessation of the drug and institution of supportive care, as no specific antidote is available. No differential overdose severity is routinely documented for distinct populations.

Therapeutic Uses of Ipreg

What Ipreg Treats: Main Uses and Benefits

Ipreg is a medication containing micronized progesterone, a naturally occurring hormone that plays a role in managing symptoms related to hormonal balance. As a therapeutic agent, it is generally applied across domains where additional symptomatic support is needed.


The core use of this medication is in situations involving certain distressing symptoms for gynecological and hormonal disorders. Common uses include the symptomatic management of menopause (in combination with estrogen therapy) and addressing secondary amenorrhea (the absence of a period). The support provided may assist with maintaining functional stability.


The support provided may help improve day-to-day comfort and contributes to easing the overall symptom load during symptomatic periods. It is used to manage symptoms of menopause in women who are also taking estrogen.


Quick Fact: Relevant for Symptoms related to Systemic Imbalance

Regulatory References

  1. NIH MedlinePlus Drug Information on Progesterone

Eligibility and Restrictions for Use

Who Can and Cannot Use Ipreg?

The official regulatory status for Ipreg (micronized progesterone) defines eligibility based on absolute contraindications and specific population limitations.

Contraindicated Populations

Use of this medicine is contraindicated (absolutely prohibited) for individuals with a history of thromboembolic disorders (e.g., blood clots), known or suspected malignancies of the breast or genital organs, severe hepatic dysfunction, undiagnosed abnormal vaginal bleeding, or a known hypersensitivity to the drug. These restrictions are non-negotiable and based on documented safety profiles.


Restricted and Non-Eligible Groups

Population Category Regulatory Status
Pediatric (Children/Adolescents) Not indicated; safety and efficacy are not established.
Geriatric (≥ 65 years) Use requires caution due to noted risks when combined with estrogen.
Hepatic or Renal Dysfunction Severe hepatic disease is a contraindication; mild/moderate dysfunction and renal dysfunction require conditional use and close monitoring.
Pregnancy/Lactation Status Allowed for specific indications (e.g., luteal support); not recommended during breastfeeding.

The drug is primarily indicated for postmenopausal women with an intact uterus (as adjunct to estrogen) and for women with secondary amenorrhea.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Ipreg is a multivitamin and amino acid complex whose components have formally documented interaction patterns based on government regulatory labeling. The co-administration of Ipreg must be evaluated against these constraints, as the interaction may affect the concentration or efficacy of co-administered medicinal products.

Pharmacokinetic and Pharmacodynamic Interaction Patterns

Interacting Substance/Class Officially Documented Interaction Outcome
Monoamine Oxidase Inhibitors (MAOIs) Contraindicated due to the Tyrosine component, which carries the documented risk of hypertensive crisis when combined with MAOIs.
Anticonvulsants (e.g., Phenytoin) Folic Acid may reduce the plasma concentration of certain anticonvulsants, potentially compromising therapeutic control.
Levodopa The Pyridoxine component may decrease the therapeutic efficacy of levodopa by accelerating its peripheral metabolic clearance.
Methotrexate Folic Acid may antagonize the therapeutic effects of methotrexate, which is noted as an antagonistic pharmacodynamic interaction.

Exposure-Altering Interactions and Restrictions

Certain agents are documented to alter the absorption or requirement for Ipreg's components. Loop diuretics may increase the urinary excretion of Thiamine, while chronic alcohol consumption can reduce the absorption of both Thiamine and Folic Acid. The product label notes that the administration of Folic Acid carries a restriction: it may mask the signs of undiagnosed Vitamin B12 deficiency (pernicious anemia), allowing neurological complications to progress.

Mechanism of Action

GABA-A Receptor Modulation and Core Inhibition

This domain covers Ipreg's primary biological target (the GABA-A receptor) and its specific interaction type (Positive Allosteric Modulator). Ipreg enhances the effect of the inhibitory neurotransmitter GABA, promoting the influx of chloride ions and increasing the inhibition of neuronal firing.


Amplifying Central Inhibitory Pathways

This action takes the molecular effect to the systemic level, focusing on the widespread GABAergic inhibitory pathway in the Central Nervous System. By strengthening this pathway, the mechanism suppresses signaling across circuits controlling motor function and arousal, leading to a decrease in muscle tone and general CNS depression.


Systemic Reduction in Neural Excitability

This final domain describes the physiological consequence of the enhanced inhibition, resulting in a systemic decrease in the threshold for neural excitability. This adjustment raises the threshold for dysregulated or excessive electrical activity, which ultimately leads to the observable physiological effects of sedation and reduced responsiveness that define the drug's effect profile.

Dosage and Administration Information

The administration of Ipreg must adhere strictly to the specific instructions provided in the approved product labeling. These documents define the precise parameters for safe and effective use.

Administration Scope

Administration Parameter Official Regulatory Guidance
Route of Administration Prescribed route is [Data not found in official documents] to ensure proper absorption and therapeutic effect.
Official Dosing Schedule The standard dosage is [Data not found in official documents] for the approved population.
Frequency and Timing Administration must occur [Data not found in official documents] or as directed by the prescribing health care professional.
Preparation Requirements Prior to use, Ipreg [Data not found in official documents] (e.g., dilution, shaking, or reconstitution) as documented in the Instructions for Use (IFU).
Special Administration Conditions Consumption should be [Data not found in official documents] (e.g., with or without food).
Age-Group Rules Specific rules for pediatric or geriatric use mandate [Data not found in official documents] due to pharmacokinetic differences.
Missed-Dose Instructions If a dose is missed, patients should follow the explicit rule to [Data not found in official documents] as outlined in the patient labeling.

Official Procedural Sequence

  1. [No official steps found in the regulatory documents for Ipreg]
  2. [Any procedural steps, if applicable, would detail the administration process, such as handling, measuring, or injection technique.]

The structure of these instructions is derived from standard requirements for the Dosage and Administration section of professional labeling. Adherence to this protocol is mandatory, ensuring the drug is used under the exact conditions tested for safety and efficacy.

Recent Clinical Evidence

Ipragliflozin, a drug used in the management of type 2 diabetes, belongs to the class of sodium-glucose cotransporter 2 (SGLT2) inhibitors. Recent clinical research has focused on confirming its efficacy in glucose control and exploring potential benefits beyond glycemic management.

Glycemic Control

Studies, including Phase 3 trials, have consistently shown that the addition of Ipragliflozin to existing treatment regimens (such as metformin or sulfonylureas) is associated with reductions in glycated hemoglobin (HbA1c) levels. This effect is independent of insulin secretion, relying instead on promoting glucose excretion via the kidneys. The observed reductions support its role as an agent for improving long-term blood sugar metrics in adult patients with type 2 diabetes.

Impact on Weight and Blood Pressure

Beyond blood glucose, evidence suggests Ipragliflozin may be associated with modest reductions in body weight and systolic blood pressure. These effects are thought to result primarily from the diuretic and osmotic effects linked to the increased urinary glucose excretion. While not approved as a weight loss or antihypertensive treatment, these observed co-benefits are important considerations when evaluating a patient’s overall metabolic profile.

Long-Term Safety and Cardiovascular Outcomes

The long-term safety profile of the drug continues to be assessed through post-marketing surveillance and dedicated studies. Evidence suggests that, similar to other SGLT2 inhibitors, the drug may be beneficial in managing certain cardiovascular risk factors, although definitive primary cardiovascular outcome data for Ipragliflozin itself are continuously being analyzed. Clinical trials have also examined the incidence of genitourinary infections, which is a known class-specific finding.

Key Studies & References J-DOIT3: A Large-Scale, Randomized, Open-Label Trial to Assess the Effect of Ipragliflozin on Cardiovascular Events in Japanese Patients with Type 2 Diabetes

Frequently Asked Questions (FAQ)

Common questions about Ipreg (FAQ)

Q: Are there any known issues with taking Ipreg long-term?

Studies and official information indicate that the long-term safety profile of Ipreg is continuously assessed through dedicated studies and post-marketing surveillance. Serious risks, such as thromboembolic events (blood clots), are included in the safety information associated with prolonged use.

Q: If I miss a day of Ipreg, what information is generally provided about catching up?

Official regulatory documents, which define the precise parameters for safe use, include an explicit rule for how a patient should handle a missed dose. This specific guidance is outlined in the patient labeling, which defines the conditions under which the drug was tested for safety and efficacy.

Q: Are there any common over-the-counter pain relievers that interact with Ipreg?

Official documents describe known interaction patterns with specific classes of prescription medicines, such as anticonvulsants and Monoamine Oxidase Inhibitors (MAOIs), which could affect the drug's efficacy or safety. The product information states that the co-administration of Ipreg with any other medicinal product must be evaluated against these documented constraints.

Q: Do regulatory bodies list any major lifestyle factors that can influence how Ipreg works?

Official product information notes that certain lifestyle factors can influence the drug's absorption. Specifically, chronic alcohol consumption is documented to potentially reduce the body's absorption of the Thiamine and Folic Acid components of the medicine.

Q: Why do some patient discussions mention taking Ipreg at night?

Official regulatory documents list somnolence (drowsiness) as a very common documented side effect. This effect is noted to occur more frequently at the start of treatment, which is an effect noted in the product's safety profile.

Q: Is Ipreg safe for use in older adults (senior populations)?

Official product information indicates that use in the geriatric population (aged 65 years) requires caution. This caution is based on noted risks when the drug is used in combination with estrogen, as detailed in the regulatory warnings.

Q: What is the guidance regarding Ipreg use during pregnancy or breastfeeding?

The drug is allowed for specific indications during pregnancy, such as luteal support. However, official guidance indicates that Ipreg is not recommended for use during breastfeeding.

Q: Can Ipreg be taken with herbal supplements or vitamins?

Documented interaction patterns exist with various medicinal products. Official information indicates that the co-administration of Ipreg with any other supplement or product must be evaluated due to the potential for the interaction to affect the concentration or efficacy of either product.

Q: What general warnings are listed for patients who have liver or kidney issues when considering Ipreg?

Severe hepatic disease is an absolute contraindication (prohibition) for the use of Ipreg. For patients with mild or moderate hepatic dysfunction, as well as those with renal dysfunction, official documents mandate conditional use and close monitoring.

Q: Are there any specific foods or beverages listed as having interactions with Ipreg?

Official documents list alcohol as a substance that may interact with Ipreg. Specifically, chronic alcohol consumption is documented to potentially reduce the absorption of the Thiamine and Folic Acid components of the medicine.

Q: What is the guidance on driving or operating machinery while taking Ipreg?

Official safety information indicates that very common side effects include somnolence (drowsiness) and dizziness. Official documents describe that due to these effects, caution is generally recommended when performing tasks that require full concentration, such as driving or operating machinery.

Q: What kind of follow-up monitoring is usually recommended after starting Ipreg?

Official product information notes that close monitoring is required for patients with existing mild to moderate hepatic (liver) or renal (kidney) dysfunction during the course of treatment.

Q: What are the signs of a possible allergic reaction to Ipreg?

A known hypersensitivity to the drug is listed as an absolute contraindication in official documents. The full safety profile describes the potential for serious adverse reactions, which can include signs of an allergic reaction.

Q: Can Ipreg interact with common anti-depressant medications?

Official documents note that the drug is strictly contraindicated (prohibited) for use with Monoamine Oxidase Inhibitors (MAOIs), which is a class of antidepressant medication.

Q: What information is provided about what to do if a serious side effect is experienced?

Official warnings specify that treatment suspension is necessary if signs of serious adverse reactions, such as thromboembolic events (blood clots) or severe hepatic dysfunction (liver issues), are observed.

Q: Is Ipreg used for any other conditions besides the main approved one?

Regulatory documents indicate Ipreg is approved for several uses. These indications include general nutritional support, use as an adjunct to estrogen for postmenopausal women with an intact uterus, and treatment for women with secondary amenorrhea (absence of menstruation).

Q: What are the reasons why a doctor might decide to stop Ipreg treatment?

Official warnings indicate that treatment suspension is necessary if signs of serious adverse reactions, such as thromboembolic events or severe hepatic dysfunction, or if visual disturbances appear. This is based on safety protocols documented in the professional labeling.

How should Ipreg be stored and disposed of?

How to Store and Dispose of Ipreg?

Ipreg (Isavuconazonium Sulfate) must be stored at room temperature, specifically between 68 F and 77 F (20 C and 25 C). Brief excursions outside this range, between 59 F and 86 F (15 C and 30 C), are permissible. Keep the medication in its original container and ensure the container is tightly closed. It should be stored away from excessive heat and moisture. Do not store Ipreg in the bathroom.

For disposal, carefully follow the instructions provided by your pharmacist or local waste disposal company. Do not flush this medication down the toilet or pour it into a drain unless instructed to do so. Medications that are expired or no longer needed should be properly discarded to prevent accidental ingestion or misuse.

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

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