Finasterida Impruve

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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 Finasterida Impruve

Quick Facts

Property Description
Active ingredient Finasteride
Form Film-coated tablet
Pharmacological class 5α-Reductase Inhibitor
General physiological action Reduction of Dihydrotestosterone (DHT) levels
Origin Synthetic 4-azasteroid compound

What Type of Medicine is Finasterida Impruve?

Finasterida Impruve is a prescription-only pharmaceutical preparation containing the active ingredient Finasteride, which is formally classified as a 5α-Reductase Inhibitor. This classification is applied because the synthetic compound specifically inhibits the enzyme that converts testosterone into the potent androgen dihydrotestosterone (DHT). Finasteride is a monotherapy product derived from the 4-azasteroid family, defining its structure as a clinically recognized targeted hormonal modulator. The Spanish brand Finasterida Impruve provides this active substance in an oral form intended for systemic administration to adult males, differentiating it from localized or topical preparations.

Composition and Form: The Oral Finasteride Tablet

The medicine is manufactured for systemic use and is supplied as an oral formulation in the form of a film-coated tablet. Each tablet delivers the precise amount of the active substance, Finasteride, alongside necessary solid pharmaceutical excipients. The coating ensures that contact with the raw active ingredient is prevented during normal handling, and the tablet is designed to be swallowed whole for consistent systemic absorption. This oral route is critical for achieving the necessary systemic bioavailability for the drug's intended action.

What is the General Purpose of Finasteride’s Action?

The overall purpose of Finasteride is to modulate the hormonal environment by achieving a consistent reduction of dihydrotestosterone (DHT) levels in the body. This reduction occurs because Finasteride acts as a competitive inhibitor of the 5α-reductase enzyme. The physiological benefit is a sustained decrease in the concentration of the potent DHT hormone, which modifies the hormonal balance that underlies certain male-specific conditions. This regulatory action forms the basis for its therapeutic use, which is widely recognized within medical practice.

Regulatory References

  1. Finasteride - StatPearls - NCBI Bookshelf

What side effects are possible with Finasterida Impruve?

Possible Side Effects and Safety Information

Finasterida Impruve’s official safety profile, as documented in regulatory sources, organizes possible adverse reactions primarily by the frequency of their occurrence and the body’s affected system.


Frequency-Classified Adverse Reactions

The most commonly observed adverse reactions, classified as Common (may affect up to 1 in 10 men), primarily involve the Reproductive System and Breast Disorders system. These effects include decreased libido (sexual drive), erectile dysfunction, and ejaculation disorders. Reactions classified as Uncommon (may affect up to 1 in 100 men) include rash, breast enlargement (gynecomastia), and breast tenderness.

Adverse reactions reported during post-marketing surveillance, for which frequency cannot be estimated (Not Known), include depression, suicidal ideation, testicular pain, and hypersensitivity reactions (including swelling of the lips and face).


Serious Safety Considerations and Constraints

The official label contains specific warnings regarding serious safety concerns. These include reports of male breast cancer and post-marketing reports of suicidal ideation. Some patients have also reported persistent sexual adverse reactions (such as decreased libido and erectile dysfunction) that continue after the medication has been discontinued, a pattern addressed in regulatory safety updates.

Due to the medicine being classified as a teratogen, the label includes a mandatory handling constraint: Finasterida Impruve tablets must not be crushed or broken. This restriction is in place to prevent the absorption of the active ingredient by women who are pregnant or may become pregnant, due to the risk of potential external genital abnormalities in a male fetus. The medicine is not indicated for use in the pediatric population.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Finasteride overdosage is defined primarily by specific clinical findings and mandated emergency actions.

Documented Overdose Presentations and Scope

Regulatory agencies document the absence of specific, dose-related undesirable effects in clinical studies. High-dose exposure, including single doses up to 400 mg and multiple doses of up to 80 mg/day for three months, did not result in documented acute manifestations. Consequently, no unique clinical signs or specific symptom clusters are officially listed as being characteristic of Finasteride overdosage. Furthermore, no specific treatment is officially recommended, and management is limited to general symptomatic and supportive measures.

Emergency Action Mandates

Regulatory authorities mandate that immediate professional medical attention must be sought following any suspected overdosage, even if the affected individual experiences no symptoms. This requires contacting a health care practitioner or a regional Poison Control Centre immediately. Emergency services should be contacted if non-drug-specific critical signs, such as collapse or seizure, are present. The official finding that high-dose exposure did not result in acute manifestations establishes the ingestion event itself as the trigger for seeking help.

Therapeutic Uses of Finasterida Impruve

What Finasterida Impruve Treats: Main Uses and Benefits

Finasterida Impruve is a prescription medicine often recommended to help manage symptoms associated with specific hormonal conditions in men. Its primary applications focus on two major clinical scenarios: addressing Benign Prostatic Hyperplasia (BPH) and treating Male Pattern Hair Loss (Androgenetic Alopecia).

For individuals with an enlarged prostate (BPH), the medication may help reduce the size of the gland, which can lead to an improvement in bothersome urinary symptoms such as difficulty starting urination and urinary frequency. It may also contribute to a decrease in the risk of acute urinary retention and the need for BPH-related surgery. In the context of hair loss, Finasterida Impruve can be an option for men looking to slow down the progression of hair thinning and potentially support hair regrowth on the crown and middle scalp.

Quick Fact: Relief for Lower Urinary Tract Symptoms (LUTS)

Eligibility and Restrictions for Use

Who Can and Cannot Use Finasterida Impruve?

Finasterida Impruve is a medication with specific regulatory population eligibility rules and is only indicated for use in adult men for the treatment of its approved conditions.

The medicine is absolutely contraindicated for two primary groups:

  1. Women: Use is prohibited, particularly during pregnancy or in those who may become pregnant, due to the high risk of external genitalia abnormalities in a male fetus. Pregnant women must also not handle crushed or broken tablets. The medicine is not indicated for use in nursing mothers.
  2. Patients with Hypersensitivity: Individuals with a known allergy to finasteride or any component of the formulation must not use the medicine.

Age and Condition Restrictions

  • Pediatric Use: The medicine is not established for use in pediatric patients (under 18 years of age) and is not indicated for this group.
  • Older Adults: Finasterida Impruve is generally acceptable for geriatric patients, and no dose adjustment is necessary.
  • Organ Function: Caution should be used in administering the medicine to patients with hepatic impairment (liver function abnormalities). However, no dose adjustment is necessary for patients with renal impairment.

What should I know about interactions with other medicines?

Finasteride (the active ingredient in Finasterida Impruve) generally exhibits a low potential for clinically relevant drug-drug interactions, a conclusion consistently supported by official government regulatory documents. No drug interactions of clinical importance have been identified, and no specific medicinal products are listed as strictly prohibited for co-administration due to an interaction mechanism.

The medicine does not appear to affect the CYP450-linked drug-metabolizing enzyme system, suggesting a low risk of Finasteride altering the plasma levels of other co-administered drugs. This finding is based on clinical studies where no meaningful interactions were found when Finasteride was co-administered with compounds such as digoxin, propranolol, theophylline, antipyrine, and warfarin.

The drug's own metabolism occurs primarily via the CYP3A4 enzyme. Consequently, strong CYP3A4 inhibitors and inducers will probably affect Finasteride’s plasma concentration. However, due to the drug’s established safety margin, this change in exposure is generally considered unlikely to be of clinical significance. Official labeling supports the studied co-administration of the medicine with the alpha-blocker doxazosin.

Interaction Context Official Regulatory Statement
Food & Timing May be taken with or without meals; no mandatory timing separation rules are documented.
Liver Status The effect of hepatic insufficiency (liver impairment) on finasteride's concentration has not been studied in formal trials.

This interaction profile is defined by a low risk classification, emphasizing the lack of significant impact on other medicines and the permissible use with a wide range of common drug classes.

Mechanism of Action

How Finasterida Impruve Works

Selective Inhibition of the 5alpha-Reductase Enzyme

The core mechanism involves acting as a competitive inhibitor of the 5alpha-reductase enzyme, primarily targeting the Type II isoform. By binding to this enzyme, the drug blocks the conversion of the hormone Testosterone into the more biologically potent androgen, Dihydrotestosterone (DHT), thus blocking the synthesis of the primary signal mediator.

Modulation of the Androgen Metabolism Pathway

Blocking this critical enzyme step results in a sustained reduction in systemic DHT concentration, which represents the resulting physiological effect of the mechanism. The systemic reduction in DHT concentration results in decreased binding to its nuclear receptors, leading to attenuated signaling cascades that are mediated by this androgen in sensitive tissues.

⏱️ Cascade to Long-Term Cellular Response

The overall physiological effect emerges from the cumulative and sustained removal of the DHT stimulus at the cellular level. The sustained removal of the DHT stimulus facilitates the modulation of cellular processes that are regulated by this androgen. Because the mechanism modulates inherently gradual processes like cell proliferation, the mechanism’s full physiological consequence is observed only after an extended duration of systemic action.

Dosage and Administration Information

How to Use Finasterida Impruve — Official Administration Guidelines

This section describes the official administration principles for Finasteride, focusing strictly on procedural instruction and dose.


Administration Scope

Feature Instruction
Route of administration Oral (by mouth) as a film-coated tablet.
Dosing schedule Fixed dose: 1 mg once daily OR 5 mg once daily, depending on the approved indication.
Timing in relation to meals Can be taken with or without food.
Age-group administration rules Intended for adult males only. No dosage adjustment is required for older adults or for patients with renal impairment.
Missed-dose rules If a dose is missed, skip the forgotten dose and continue with the regular schedule the next day; do not take a double dose.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral.
Frequency pattern Once daily (QD) dosing.
Use-context constraints The film-coated tablet must be swallowed whole; it must not be crushed, broken, or chewed.

Resulting Procedural Structure

Official step sequence:

  • Swallow the prescribed film-coated tablet strength (1 mg or 5 mg) intact.
  • Take the tablet once daily, preferably at approximately the same time each day.
  • Continue daily use for the full course, as efficacy assessment often requires three to six months of continuous administration.

Connection to the overall use protocol (2–4 sentences): The use protocol is standardized around a non-variable once-daily oral dose that requires the patient to maintain the physical integrity of the film-coated tablet during ingestion. Adherence to the daily, non-cyclic schedule is essential for achieving the necessary systemic drug levels over the extended period of time required for treatment. The standard fixed dosing applies broadly to different adult patient populations.

Recent Clinical Evidence

Finasterida Impruve: Recent Clinical Evidence

This section summarizes the published research and clinical trials conducted for Finasteride (Finasterida Impruve), detailing the types of studies performed and the specific outcomes that researchers monitored. This information is intended to provide context on the existing evidence landscape and does not include clinical advice, dosing instructions, or safety information.

Evidence for use in Benign Prostatic Hyperplasia (BPH)

The evidence base for BPH includes large-scale Randomized Controlled Trials (RCTs) that have tracked patient responses over multiple years. Studies monitored objective measures such as the size of the prostate gland volume and examined urinary flow rates, alongside patient-reported outcomes describing perceived discomfort. Studies reported observations of changes in these measures. Findings related to clinical events were more frequently documented in the subpopulation of men who had a larger prostate size at the start of the study. Long-term study outcomes spanning more than seven years are not fully established, and evidence comparing the compound with alternative interventions is limited in some contexts.

Evidence for use in Male Pattern Hair Loss (Androgenetic Alopecia)

The evidence base for male pattern hair loss is primarily drawn from double-blind, placebo-controlled RCTs and subsequent long-term follow-up studies, mainly involving men aged 18 to 41. Research focused on objective assessment by counting the total number of hairs in a defined scalp area, as well as investigator and patient assessments of hair appearance. Studies report how symptoms evolved in the observed populations, and research describes that if administration was discontinued during the research, the previously observed measurements related to hair count tended to return to the baseline levels. Data for older men or those with very advanced hair loss remain insufficient.

Research Gaps and Special Populations

Long-term follow-up has been a critical aspect of the research, tracking observations for up to a decade in some cohorts. Studies explored the medicine in different subgroups, with findings related to clinical progression for BPH being more frequently documented in men with a larger gland. Overall, research provides context but not individual predictions, and data for certain subgroups remain insufficient.

Key Studies & References

  1. Serum prostate-specific antigen and prostate volume predict long-term changes in symptoms and flow rate: results of a four-year, randomized trial comparing finasteride versus placebo. PLESS Study Group

Frequently Asked Questions (FAQ)

Common questions about Finasterida Impruve (FAQ)


Q: What is the main reason Finasterida Impruve is prescribed?

A: According to official product information, the medicine is indicated for the treatment of male pattern hair loss (androgenetic alopecia) and symptomatic benign prostatic hyperplasia (BPH). These are the two primary conditions that finasteride, the active ingredient, is approved to address.

Q: Are the side effects of Finasterida Impruve temporary?

A: Regulatory documents indicate that most adverse reactions have been observed to resolve upon discontinuation of the medicine. However, specific warnings address reports of persistent sexual adverse reactions in some men, which have continued after treatment was stopped. The persistence of symptoms is a factor that should be reviewed with a healthcare provider.

Q: What happens if I stop taking Finasterida Impruve?

A: Studies and official information indicate that the beneficial effects associated with the treatment tend to reverse upon discontinuation. For instance, if the medicine was used for male pattern hair loss, any hair growth gained may return to baseline levels within about 12 months of stopping the medicine. This expected reversal of effect aligns with the drug's mechanism of action.

Q: Does Finasterida Impruve interact with common vitamins or supplements?

A: Official regulatory documents do not contain specific study findings on interactions with most common vitamins, minerals, or dietary supplements. Generally, the medicine is not known to have major interactions with many drug classes. Healthcare authorities state the importance of informing the prescriber about all products being taken, including any herbal products or supplements.

Q: Is Finasterida Impruve safe for long-term use?

A: Clinical trials have examined the use of finasteride for extended periods, with some patient groups tracked for up to 5 to 10 years. Official regulatory documents specifically address potential long-term safety concerns that have been reported, such as male breast cancer and the persistence of certain sexual side effects. These reported observations form part of the known profile for long-term administration.

Q: What is the difference between Finasterida Impruve and other similar drugs?

A: The active ingredient in this medicine, Finasteride, is classified as a 5α-Reductase Inhibitor. It works by blocking a specific enzyme responsible for converting testosterone into DHT. This mechanism is distinct from other classes of drugs, like alpha-blockers, which are sometimes used for related conditions like BPH.

Q: Is Finasterida Impruve known to interact with painkillers like ibuprofen?

A: Official drug interaction studies do not explicitly list all non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen. However, Finasteride has been tested alongside various other compounds and has shown no clinically meaningful interactions with them. This is because the medicine has a low impact on the main drug-metabolizing enzyme system in the body.

Q: Why is Finasterida Impruve sometimes used for different conditions?

A: Finasteride is approved for treating two distinct conditions: male pattern hair loss and symptomatic benign prostatic hyperplasia (BPH). According to regulatory documents, the medicine is approved in different dosage strengths to specifically treat these different authorized indications. This difference in strength is tied to the condition being treated.

Q: Is Finasterida Impruve a hormone?

A: Finasteride is not classified as a hormone itself. It is a synthetic compound known as a 4-azasteroid. Its action is to work as an inhibitor of the 5alpha-reductase enzyme, which effectively blocks the creation of the potent androgen, Dihydrotestosterone (DHT). By doing this, it modulates the hormonal environment.

Q: Is Finasterida Impruve safe to use with heart medication?

A: Official interaction studies have examined the co-administration of Finasteride with certain common heart medications, such as digoxin and propranolol. These studies found no clinically meaningful interactions. The complete list of medicines used is a factor that should be reviewed with a healthcare provider due to the variety of heart medications.

Q: Is the research evidence for Finasterida Impruve considered strong?

A: The evidence supporting the use of finasteride is primarily based on large-scale, double-blind, placebo-controlled Randomized Controlled Trials (RCTs). These types of studies are often used as a standard measure for assessing the effectiveness and safety of a drug for its authorized indications.

Q: Is Finasterida Impruve considered an anti-androgen?

A: Finasteride is officially classified as a 5alpha-Reductase Inhibitor. Due to its mechanism—which significantly reduces the levels of the potent androgen Dihydrotestosterone (DHT)—it is cited in pharmacological databases as having an antiandrogenic effect.

Q: Can I use Finasterida Impruve if I have a history of depression?

A: The official safety profile lists depression and, in rare instances, suicidal ideation among the reported side effects. The official safety profile is a factor for patients with a history of depression to review with a prescribing doctor before starting treatment.

Q: Can Finasterida Impruve affect fertility?

A: Official health guidance indicates that there have been reports of poor sperm quality or infertility in some men using finasteride. These reported effects have typically been observed to reverse after the patient stops taking the medicine.

Q: Is it true that Finasterida Impruve can affect PSA test results?

A: Regulatory documents confirm that Finasteride causes a reduction in serum Prostate-Specific Antigen (PSA) levels. Because of this drug-induced effect, regulatory guidance states that the measured PSA value should be adjusted (e.g., doubled) when used to assess prostate cancer risk.

Q: Does alcohol consumption affect how Finasterida Impruve works?

A: Official guidance indicates that alcohol consumption is generally permissible with finasteride. Alcohol is not known to significantly impact the efficacy or change the established safety profile of the medicine itself.

Q: Does Finasterida Impruve affect body hair growth?

A: Clinical trials related to finasteride focused primarily on assessing hair changes on the scalp. Based on the findings in official labeling, there was no reported effect on hair growth or hair loss in other parts of the body.

Q: Is there any research looking at Finasterida Impruve for prevention, not just treatment?

A: While the medicine is indicated for the treatment of approved conditions, large-scale studies have explored the drug’s potential in a preventive context. For example, research has examined the drug's effect on the reduction of prostate cancer risk in certain populations.

Q: Is there a generic version of Finasterida Impruve available?

A: Yes, the active ingredient in this medicine is Finasteride. According to national drug registers, this active ingredient is widely available as a generic medicine in the strengths used for both authorized indications.

Q: Is Finasterida Impruve safe to use with other hair loss treatments?

A: Finasteride is not formally indicated for use in combination therapy. However, official information notes that the co-administration with the other FDA-approved topical hair loss treatment (Minoxidil) has been reviewed in clinical practice.

How should Finasterida Impruve be stored and disposed of?

Official Storage and Disposal Requirements

All storage and disposal procedures for Finasteride tablets are mandated by government-approved prescribing information to ensure product stability and public safety.

Requirement Type Official Regulatory Statement
Storage Conditions Store at room temperature, away from excess heat and moisture. Keep the tablets in the original container and ensure it is tightly closed [Source 1.1].
Stability and Handling The tablets must be kept in the original container to maintain product stability [Source 1.1]. Pregnant women must not handle crushed or broken tablets due to the possibility of finasteride absorption [Source 1.2].
Child Safety Keep the medicine out of the sight and reach of children [Source 3.1].
Disposal Instructions Dispose of unused or expired medicine according to local requirements [Source 2.5]. Finasteride is not on the FDA flush list [Source 2.1]. The preferred method is a drug take-back program. If unavailable, mix with an undesirable substance (e.g., used coffee grounds), place in a sealed container, and discard in household trash [Source 2.1, 2.2].

These official statements define the required environment—room temperature, dry, and secure—for the product's entire shelf life and establish the mandatory handling restrictions for pregnant women. Furthermore, the instructions mandate specific procedures for safe disposal to prevent environmental contamination and misuse.

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

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