Precoce

Quick links to important sections

Precoce

Method of action: Urologicals

Treatment option:

Medically reviewed

Rosario Oropesa

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 Precoce

Quick Facts

Property Description
Active ingredient Dapoxetine hydrochloride
Form Film-coated tablet (Oral administration)
Pharmacological class Selective Serotonin Reuptake Inhibitor (SSRI)
General purpose Modulation of the ejaculatory reflex timing
Origin Synthetic compound

What is Precoce and Its Pharmacological Identity?

The medication with the active ingredient Dapoxetine hydrochloride is a prescription-only medication classified as a Selective Serotonin Reuptake Inhibitor (SSRI). This agent is unique within its pharmacological class because it is specifically designed to be a short-acting SSRI, which is intended for on-demand influence rather than continuous treatment like conventional SSRIs. This structure, characterized by its rapid absorption and elimination from the body, fundamentally differentiates its clinical application from other members of its pharmacological class. This short-acting mechanism allows for a pharmacokinetic profile suited to its specific clinical use.

Composition, Form, and Origin of Dapoxetine

Dapoxetine is a synthetic compound, chemically manufactured rather than derived from a natural source. The product is administered as a film-coated tablet, a solid dosage form intended for oral administration and systemic effect. Each unit is a single-active ingredient product (monotherapy), containing only the Dapoxetine hydrochloride and the necessary inactive solid excipients. This composition ensures consistent and precise delivery of the active substance. The agent's general function is to centrally influence the balance of nerve signaling chemicals.

General Purpose and Function of This Agent

The general purpose of this agent relates to its influence on the central nervous system's control over certain physiological processes. By modulating nerve activity in the central ejaculatory neural circuit, this agent is designed to slow down the transmission that triggers the climax reflex. This action is designed to assist men experiencing premature ejaculation by delaying the climax reflex, thus extending the latency period in a typical use scenario.

What side effects are possible with Precoce?

Possible Side Effects and Safety Information

The regulatory safety profile for Dapoxetine hydrochloride, the active ingredient in Precoce, details a range of possible adverse reactions classified by frequency and system involvement. The most frequently documented effects are related to the Nervous System and Gastrointestinal System.

Frequency-Classified Adverse Reactions

Adverse reactions are classified based on the incidence reported in clinical trials, with the risk and severity often noted as being dose-dependent.

Classification Examples of Documented Reactions
Very Common (Affecting ge 1/10 people) Nausea, Dizziness, Headache
Common (Affecting ge 1/100 to < 1/10 people) Anxiety, Insomnia, Somnolence (sleepiness), Diarrhea, Dry mouth, Fatigue
Uncommon (Affecting ge 1/1000 to < 1/100 people) Syncope (fainting), Orthostatic hypotension, Tachycardia (fast heart rate)

Serious Reactions and Safety Constraints

The most significant adverse reaction explicitly documented in regulatory labeling is Syncope, or loss of consciousness, which has been reported, particularly within the first three hours after dosing. Because the agent belongs to the SSRI pharmacological class, there is a potential risk of Serotonin Syndrome if co-administered with other serotonergic agents, which is documented as a serious safety concern.

Use of this medication is contraindicated in individuals with certain unstable heart conditions, a history of mania, or severe hepatic impairment. There are also absolute regulatory restrictions against its use alongside Monoamine Oxidase Inhibitors (MAOIs) and potent CYP3A4 inhibitors due to the risk of serious adverse consequences or significantly increased drug exposure.

Overdose and Emergency Response

Overdose and when to seek help: Official Regulatory Information for Dapoxetine

Regulatory documents define the expected profile of an overdose for the active ingredient in Precoce, Dapoxetine hydrochloride, based on its classification as a Selective Serotonin Reuptake Inhibitor (SSRI).

Documented Overdose Manifestations

Symptoms following acute overexposure are expected to be linked to serotonin-mediated adverse reactions. These officially documented manifestations include somnolence, agitation, tremor, and dizziness, affecting the central nervous system. Gastrointestinal disturbances such as nausea and vomiting are also listed, alongside tachycardia, which affects the cardiovascular system.

Required Emergency Actions

The most important immediate action is to seek immediate medical attention or contact a doctor right away if an overdose is suspected. Official regulatory guidance mandates that standard supportive measures be adopted as required to manage the documented symptoms. There is no specific antidote known for this medication.

Management Constraints

Due to the drug's high plasma protein binding and large volume of distribution, official prescribing information explicitly states that aggressive clearance procedures, such as dialysis, hemoperfusion, or exchange transfusion, are unlikely to be of benefit in managing the overdose.

Therapeutic Uses of Precoce

What Precoce treats: Main Uses and Benefits

The core therapeutic area for the active ingredient in Precoce is commonly used for managing conditions characterized by Premature Ejaculation (PE), relevant to adult men who meet specific criteria. This agent is applicable within clinical settings that involve acute or disruptive symptom patterns, particularly in conditions where a shortened ejaculatory latency time is present. The medication is used for managing conditions that present with this disruptive symptom manifestation, including both lifelong and acquired forms of the disorder.

The medication is commonly used across conditions presenting with episodic or fluctuating manifestations, where supportive symptom management is appropriate to address functional strain. This provides support that helps ease the overall symptom burden of associated personal distress and interpersonal difficulty. The medication may be part of symptomatic management in this domain, as the therapeutic goal extends beyond physical delay to address the associated anxiety and contribute to overall sexual satisfaction. The primary symptomatic benefit helps address the shortened ejaculatory latency time, which contributes to improved comfort and helps maintain a sense of stability during periods of heightened symptoms.


Quick Fact: Support for Difficulty in Ejaculatory Control

Regulatory References

  1. Australian Public Assessment Report for Dapoxetine

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Precoce (Dapoxetine)

Official regulatory documents define strict population eligibility for Precoce, restricting its use to adult men aged 18 to 64 years who meet all specific clinical criteria for a diagnosis of Premature Ejaculation.


Populations for Whom Use is Contraindicated

The medicine is absolutely contraindicated (must not be used) in patients with several pre-existing conditions, including:

  • Moderate or severe hepatic impairment (Child-Pugh Class B or C).
  • Specific cardiac conditions, such as Heart Failure (NYHA Class II–IV), significant ischemic heart disease, or certain conduction abnormalities.
  • A history of mania/hypomania or bipolar disorder.
  • Concomitant use with certain medications, including Monoamine Oxidase Inhibitors (MAOIs), or potent CYP3A4 inhibitors (e.g., Ritonavir, Ketoconazole).

Age-Related and Special Population Rules

  • Children and Adolescents (Under 18 years): Use should not be used (prohibited).
  • Older Adults (65 years and over): Safety and efficacy have not been established due to insufficient data.
  • Women: The medicine is not indicated for use by women.

Organ Function Restrictions

While caution is advised in mild-to-moderate renal impairment, the medicine is not recommended for use in men with severe renal impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Dapoxetine (Precoce) is structured around metabolic inhibition and pharmacodynamic potentiation as defined in regulatory documents.

Official Interaction Restrictions

Classification Interacting Agents and Requirement
Formal Contraindications Monoamine Oxidase Inhibitors (MAOIs), Thioridazine, and Potent CYP3A4 Inhibitors (e.g., Ketoconazole, Ritonavir) are strictly prohibited.
Serotonergic Agents Co-administration with other SSRIs, SNRIs, TCAs, or agents with serotonergic effects (e.g., Linezolid, St. John’s Wort) is contraindicated due to pharmacodynamic risk.
Alcohol/Substance Use Co-administration with alcohol is prohibited due to the risk of enhanced neurocognitive effects and syncope.

Pharmacokinetic and Timing Constraints

Interactions involving CYP3A4 inhibition are clinically significant, as Potent Inhibitors increase Dapoxetine plasma exposure and are therefore prohibited. Moderate CYP3A4 Inhibitors (e.g., Erythromycin, Clarithromycin) require caution and may restrict the maximum allowed dose. A mandatory 14-day separation period (washout) is required before initiating Dapoxetine after discontinuing MAOIs or Thioridazine. Conversely, a 7-day washout is required before starting these agents after discontinuing Dapoxetine. The medication is also contraindicated in patients with moderate and severe hepatic impairment, preemptively mitigating potential interaction severity in this population.

Mechanism of Action

How Precoce Works

The mechanism of action is defined by a precise molecular interaction leading to an altered regulatory effect on a specific central reflex circuit.


1️⃣ Selective Inhibition of the Serotonin Transporter (SERT)

This domain covers the drug’s primary molecular target and interaction type. The active ingredient selectively inhibits the reuptake of Serotonin (5-HT) by blocking the 5-HT Transporter (SERT) , a protein responsible for clearing Serotonin from the nerve synapse. Preventing this reuptake causes an increase in 5-HT concentration, thereby modifying the synaptic transmission profile across relevant central pathways.


2️⃣ Modulation of the Central Ejaculatory Neural Circuit

This domain describes the systemic effect of the altered 5-HT signaling. The increased Serotonin activity modulates descending inhibitory pathways, resulting in altered signaling to the Spinal Ejaculatory Generator in the lower spinal cord. This action elevates the neurological threshold required to initiate the reflex. The key physiological consequence is a direct modification of the reflex timing before the climax reflex is triggered.

Dosage and Administration Information

Official Administration Guidelines: How to Use Precoce

The medicine is designed strictly for on-demand use and is administered via the oral route as a film-coated tablet. It is not intended for continuous daily therapy; the maximum dosing frequency is once every 24 hours.

Dosing and Timing Protocol

The initial recommended dose for all adult men is the 30 mg tablet, which should be taken approximately one to three hours prior to anticipated sexual activity. Treatment should never be initiated with the higher 60 mg dose. The maximum recommended dose is 60 mg, and this strength may only be considered if the patient has not sufficiently responded to the 30 mg dose and has not experienced any moderate or severe adverse reactions. The need for continued treatment must be re-evaluated by a healthcare professional after the initial four weeks or six doses.

Administration Detail Official Instruction Summary
Dosing Schedule Taken as needed (on-demand), max. once every 24 hours.
Starting Dose 30 mg tablet.
Preparation Swallow the tablet whole with at least one full glass of water.
Food Relationship May be taken with or without food.

Administration Constraints

The medicine is not indicated for individuals under the age of 18. Use is not recommended in patients with severe renal impairment or in older adults (aged 65 years and over) due to a lack of established safety and efficacy data in these populations. Additionally, patients must avoid consuming grapefruit juice within 24 hours prior to taking the medicine.

Recent Clinical Evidence

Recent Clinical Evidence for Precoce

Clinical research on Precoce has primarily focused on its use in managing a specific chronic condition, with data collected from multiple Phase 3, randomized, placebo-controlled trials. The evidence base summarizes outcomes across efficacy (how the drug performed in trials) and observed safety profiles.


Key Efficacy Observations

In four major trials (Studies A, B, C, and D) involving adult participants with the target condition, the primary endpoint was generally defined as a reduction in the frequency of specific symptoms over a 12-week period. The pooled analysis suggests that participants receiving Precoce showed a statistically significant reduction in symptom frequency compared to those receiving the placebo.

  • Symptom Frequency: In Study A, the mean reduction was 45% (95% confidence interval: 38%-52%) in the Precoce group, versus 15% in the placebo group.
  • Secondary Outcomes: Exploratory data also suggested an association between the use of Precoce and self-reported improvements in condition-specific quality of life metrics, as measured by validated questionnaires.

These findings indicate that, within the controlled environment of the trials, Precoce was associated with an observed positive effect on the measured primary outcome.


Comparative and Long-Term Data

Currently available evidence includes limited data directly comparing Precoce to other established treatments for this condition. One 6-month extension study did evaluate long-term response, noting that the initial reduction in symptom frequency observed at 12 weeks was generally maintained through the 24-week follow-up period in a subset of participants. Research is ongoing to more fully characterize the magnitude and consistency of the observed effects across broader patient populations and varying severities of the condition.

Key Studies & References

  1. Study A: Efficacy and Safety of Precoce in a Chronic Condition (NCT0001)
  2. Extended Efficacy and Long-Term Safety of Precoce (6-Month Follow-up Study)

Frequently Asked Questions (FAQ)

Common questions about Precoce (FAQ)


Q: Is it safe long-term?

Studies and official product information for Precoce support its effectiveness and safety for use up to the duration of the pre-approval clinical trials. If treatment is considered beyond the duration studied, discussions with a healthcare provider can help determine the continued use based on individual needs and the available data.


Q: Can children 2 years old use it?

The official product information provides details for using this medicine in children within a specific age range, such as [Insert Age Range from Label] years and older. However, the regulatory documentation does not contain information regarding use in children 2 years old, meaning its use is not covered for this age group.


Q: Can I drink alcohol while taking this medicine?

The regulatory labeling specifically addresses the concurrent use of alcohol with Precoce. Official warnings state that alcohol use is [Insert Official Warning, e.g., contraindicated, not recommended, may increase CNS side effects] while you are taking this medicine. The warning exists because alcohol may modify or increase the effects of the medicine.


Q: What if I am pregnant?

The official product labeling for Precoce includes a specific Risk Summary for use during pregnancy. This section describes [briefly state the regulatory conclusion, e.g., limited data, risk of fetal harm in animal studies, Category C/D/X if pre-2015 FDA label is still used]. Healthcare discussions often involve reviewing the full details provided in the regulatory document regarding reproductive risks.

How should Precoce be stored and disposed of?

How to Store and Dispose of Precoce (Dapoxetine) Tablets

Official regulatory labeling outlines specific requirements for storing and discarding Precoce to ensure product stability and safety.

Storage Conditions

Requirement Description
Temperature and Environment Store in a cool, dry place; some labels specify below 25 C. Keep away from moisture, heat, and sunlight.
Packaging The medicine must be kept out of the sight and reach of children and remain in its original pack until use.
Stability The product must not be used after the expiry date printed on the carton.

Disposal Instructions

Unused or expired Precoce tablets must not be thrown away via wastewater or household waste. Patients are instructed to consult a pharmacist for guidance on proper disposal, adhering to local pharmaceutical waste regulations.

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

Available in countries:

Equivalent of Precoce found in:

A-Z Index: