Priligy

Selected form

Dapoxetine

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 Priligy

Property	Description
Active ingredient	Dapoxetine
Form	Film-coated tablets
Pharmacological class	Selective Serotonin Reuptake Inhibitor (SSRI)
Common use	On-demand oral therapy for a specific condition in adult men
Origin	Synthetic compound

1. Defining Priligy: Active Compound and Pharmaceutical Form

Priligy is the recognized trade name for the unique, dedicated active substance Dapoxetine, which is strictly a prescription-only medication (Rx). The compound itself is a synthetic organic chemical. Priligy is distinctively formulated as film-coated tablets intended for oral administration, making it an internal, systemic therapy. The product contains Dapoxetine, often as its hydrochloride salt, as the single active constituent, defining its identity as a specialized monotherapy. This specific formulation ensures a controlled delivery of the active ingredient, establishing its consistent performance profile.

2. What Pharmacological Class Does Dapoxetine Belong To?

Dapoxetine is classified as a Selective Serotonin Reuptake Inhibitor (SSRI), a category of agents that influence the level of the neurotransmitter serotonin within the central nervous system. A key differentiating factor is its ultra-short-acting pharmacokinetic profile, distinguishing it from traditional, longer-acting SSRIs used for chronic conditions. This rapid absorption and swift elimination from the body is characteristic of its use as an on-demand pharmacological treatment. This rapid transit minimizes prolonged systemic exposure and is integral to the drug's design.

3. General Therapeutic Purpose of this Oral Therapy

The overall intended purpose of this medication is derived from its ability to modulate neural pathways, supporting control over the ejaculatory reflex. This mechanism establishes its specific role as a specialized, on-demand oral therapy aimed at addressing premature ejaculation in adult men. The use of Dapoxetine provides a pharmacological mechanism focused on influencing the physiological timing of the reflex, offering a neurological approach to management.

Regulatory References

NIH PMC4708110: Dapoxetine and the treatment of premature ejaculation

What side effects are possible with Priligy?

The official safety profile for Priligy (dapoxetine) is primarily structured around the risk of syncope (fainting) and common central nervous system effects, as documented in regulatory sources.

Adverse Reactions by Frequency

Adverse reactions are classified according to their documented frequency from clinical trials:

Classification	Examples of Adverse Reactions (System/Organ Class)
Very Common (ge 1/10)	Dizziness, Nausea, Headache (Nervous/Gastrointestinal)
Common (ge 1/100 to < 1/10)	Insomnia, Anxiety, Diarrhoea, Dry Mouth, Fatigue (Psychiatric/Gastrointestinal/General)
Uncommon (ge 1/1000 to < 1/100)	Syncope, Orthostatic Hypotension, Blurred Vision, Tachycardia, Depression (Cardiac/Vascular/Nervous)

Clinically Significant Safety Information

Serious Adverse Reactions: The most serious documented adverse reaction is Syncope, characterized as loss of consciousness, which has been reported in clinical trials and is considered product-related, often associated with a vasovagal etiology. This risk may be preceded by prodromal symptoms such as nausea or light-headedness.

Dose-Related Patterns: The incidence and severity of most adverse events, including syncope and symptoms like dizziness and nausea, are officially documented as being higher with the 60 mg dose compared to the 30 mg dose.

Safety-Related Contraindications and Restrictions:

Contraindications include a history of syncope, significant pathological cardiac conditions (e.g., heart failure, rhythm problems), and moderate-to-severe hepatic impairment.
The medicine is restricted from concomitant use with Monoamine Oxidase Inhibitors (MAOIs), certain other serotonergic agents, and potent CYP3A4 inhibitors (e.g., ketoconazole) due to the risk of serious drug interactions like Serotonin Syndrome.
Use in individuals under 18 years of age is not recommended, and caution is advised regarding potential combined effects with alcohol due to increased neurocognitive and neurocardiogenic adverse events.

Overdose and Emergency Response

Overdose and when to seek help

Official regulatory documentation notes that no cases of acute human overdose with Dapoxetine have been formally reported in clinical trials. Consequently, the documented overdose profile is based on the general expected effects of its pharmacological class, the Selective Serotonin Reuptake Inhibitors (SSRIs).

Documented Manifestations

Overexposure is expected to result in serotonin-mediated adverse reactions, which include somnolence (drowsiness), agitation, tremor, and tachycardia (increased heart rate). Other potential manifestations are gastrointestinal disturbances, such as nausea and vomiting, and dizziness. A severe risk, primarily documented in cases of combined exposure with other serotonergic substances, is the potential for Serotonin Syndrome, arrhythmia, and hyperthermia.

Emergency Action Required

Immediate medical attention is mandated by regulatory authorities if specific, severe clinical signs occur. You must stop taking the medication and contact emergency services immediately if you experience seizures (fits) or episodes of fainting (syncope). Patients must also seek medical help if they have taken more tablets than prescribed.

Official Management Procedure

In cases of overexposure, standard supportive measures should be adopted as required for symptomatic treatment. Regulatory information explicitly states that no specific antidotes are known for the active substance. Interventions such as dialysis and forced diuresis are documented as unlikely to be beneficial due to the high protein binding and large volume of distribution.

Therapeutic Uses of Priligy

What Priligy Treats: Main Uses and Benefits

This specialized oral therapy is applied in the context of clinically diagnosed Premature Ejaculation (PE) in adult men, specifically targeting the core functional symptom of a consistently short Intravaginal Ejaculatory Latency Time (IELT). This specialized therapy is relevant for both acquired and lifelong patterns, and is commonly used in situations involving recurrent or episodic manifestations, and is used to provide supportive pharmacological assistance to men who experience this condition persistently.

The primary therapeutic use is to help manage symptoms characterized by poor volitional control over ejaculation, which can assist in providing greater perceived control, helping to ease the functional strain related to sexual activity. The medication is considered relevant for easing the significant personal distress and interpersonal difficulties that accompany the physical symptoms.

“This therapy supports the patient during difficult episodes by easing distress and may contribute to maintaining a sense of stability when symptoms are more noticeable.”

Quick Fact: Relief for Ejaculatory Control

The medication is commonly used to help with symptom clusters that may become intense or disruptive, relevant for easing the symptoms related to a short IELT and the associated psychological burden, and supports patients during episodes of heightened discomfort.

Regulatory References

National Institute for Health and Care Excellence (NICE)

Eligibility and Restrictions for Use

Official Eligibility for Priligy Use

Priligy (Dapoxetine) is licensed by regulatory authorities for use exclusively in adult men between the ages of 18 and 64 years who meet specific diagnostic criteria for premature ejaculation.

Contraindicated Populations

Official labeling strictly prohibits the use of Dapoxetine in several patient groups. The medicine is contraindicated in individuals with:

Known hypersensitivity to the active substance or excipients.
Significant pathological cardiac conditions, including heart failure (NYHA Class II-IV), certain conduction abnormalities, or significant ischemic disease.
A history of syncope (fainting) or documented orthostatic reaction.
A history of mania or severe depression.
Moderate and severe hepatic impairment (Child-Pugh Class B and C).

Restrictions and Non-Eligibility

Eligibility is restricted or not established for several other populations:

The medicine should not be used in individuals under 18 years of age.
Use is not recommended in patients with severe renal impairment or in men aged 65 years and over, as safety and efficacy have not been established in the geriatric population.
The medicine is not intended for use in women.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for this medicine defines specific constraints on co-administration with other substances, primarily based on enzyme metabolism and pharmacodynamic effects on the central nervous system.

Interaction Classifications and Restrictions

Several combinations are classified as strictly contraindicated in regulatory documents:

Potent CYP3A4 Inhibitors: Co-administration with agents such as ketoconazole or ritonavir is prohibited due to a significant increase in the drug’s plasma exposure.
Serotonergic Agents: Monoamine Oxidase Inhibitors (MAOIs), other Selective Serotonin Reuptake Inhibitors (SSRIs), and herbal products like St. John's Wort are contraindicated due to the pharmacodynamic risk of Serotonin Syndrome.
Thioridazine: This combination is contraindicated to prevent the risk of cardiac arrhythmia from elevated Thioridazine plasma levels.

Mandatory Timing and Substance Rules

Formal temporal constraints require a mandatory washout period: Dapoxetine must not be taken within 14 days of discontinuing an MAOI, Thioridazine, or other serotonergic medicine. Conversely, those products must not be started within 7 days of stopping Dapoxetine.

Use is officially contraindicated in patients with moderate and severe hepatic impairment. Grapefruit juice should be avoided within 24 hours of administration, and alcohol is advised against due to the enhanced risk of fainting and neurocognitive effects.

Mechanism of Action

Selective Serotonin Reuptake Inhibition

The active ingredient, dapoxetine, functions as a Selective Serotonin Reuptake Inhibitor (SSRI). Its primary molecular target is the serotonin transporter (SERT) protein on the presynaptic nerve terminal. By binding to and blocking SERT, dapoxetine inhibits the reabsorption (reuptake) of the neurotransmitter serotonin (5-HT) from the synaptic cleft. This increases the concentration and duration of action of 5-HT at postsynaptic receptors in the central nervous system (CNS).

Modulation of the Ejaculatory Reflex Pathway

The resultant enhanced serotonergic signaling modulates specific neural circuits within the brainstem and spinal cord that govern the ejaculatory reflex. This mechanism provides an inhibitory influence on the sympathetic nervous system pathways responsible for coordinating ejaculation. This central neural dampening of sympathetic discharge directly alters the reflex threshold, resulting in a prolonged ejaculatory latency.

Acute-Action Pharmacological Profile

Dapoxetine's fast absorption and short half-life ensure the SERT inhibition is transient and acute. This pharmacological profile limits sustained systemic serotonergic changes and aligns the physiological effect profile with a time-controlled modulation of the sympathetic reflex arc.

Dosage and Administration Information

Priligy is an oral medication that is formulated as a film-coated tablet. It is classified as an on-demand therapy, intended for use only when sexual activity is anticipated, and is strictly not for continuous daily administration. The maximum frequency of administration is limited to one dose every 24 hours.

Official Administration Protocol

Administration is required approximately one to three hours prior to the anticipated activity. The tablet must be swallowed whole with at least one full glass of water; crushing or chewing the tablet is not part of the standard instruction. The medicine may be administered with or without food. Consumption of grapefruit juice must be avoided for 24 hours before taking the dose.

The standard initial dose is 30 mg. Treatment must not be initiated using the 60 mg strength. A dose increase to the 60 mg maximum is permitted only if the response to the 30 mg dose is insufficient and the patient has not experienced specific severe reactions suggesting syncope.

Use Restrictions and Review Cycle

The medicine is not recommended for use in adult men aged 65 years and over, or in individuals under 18 years of age. Use is also not recommended in cases of severe renal impairment and is contraindicated in patients with moderate or severe hepatic impairment. Continuation of the therapy requires a formal professional re-appraisal after the first four weeks or six doses, with subsequent reviews necessary at least every six months.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Priligy

Evidence for Use in Clinically Diagnosed Premature Ejaculation (PE)

The primary research base for Dapoxetine involves multiple large-scale, short-term Randomized Controlled Trials (RCTs). These pivotal studies were generally designed to be double-blind and placebo-controlled. The evidence from these separate trials was integrated into regulatory submissions through systematic reviews and pooled analyses. Research examined this medication's function in adult men diagnosed with PE, focusing on specific, measurable aspects of the condition.

Research explored two main categories of outcomes. The first involved an objective functional measure: the stopwatch-measured Intravaginal Ejaculatory Latency Time (IELT). The second focused on patient-reported outcomes (PROs), using standardized questionnaires to capture subjective experiences. Studies reported that average IELT measurements collected during the study periods described the differences observed between the group receiving the study medication and the placebo group.

Evidence in Men with Co-occurring Erectile Dysfunction (ED)

A specific subset of the research focused on men who experience PE and were also being studied for co-occurring Erectile Dysfunction (ED). These studies monitored participants who were already receiving stable doses of a PDE5 inhibitor while also being studied for Dapoxetine. This research explored how short-term IELT measurements and patient-reported outcomes related to both conditions were evaluated. The findings describe patterns observed in these studied populations, which adds to the evidence examining this specific comorbidity profile.

Long-Term Data and Follow-up Duration in Studies

These studies focused on short-term data and episodic symptom patterns, with primary endpoints typically evaluated at 12 weeks and follow-up extending up to 24 weeks. Regulatory documents clarify that there is limited information available concerning outcomes or safety profile over extended periods of time. Therefore, long-term outcomes are not fully established based on the existing research landscape.

What is Still Uncertain About the Research

Scientific reviews highlight several key areas where the evidence base is limited. One major limitation is the lack of information for long-term outcomes beyond the 24-week follow-up period. Furthermore, comparative evidence is lacking; the studies explored in regulatory documents primarily compared Dapoxetine to placebo, with a scarcity of head-to-head RCTs against other pharmacological approaches. Finally, research indicates that study results describe patterns specific to the populations studied, and data for certain demographic groups, such as men over 65, remain limited.

Frequently Asked Questions (FAQ)

Common questions about Priligy (FAQ)

Q: How quickly does Priligy start working after taking it?

A: According to the official product information, the medicine is intended to be taken approximately one to three hours before sexual activity is anticipated. This timing is based on its pharmacological profile, which ensures the medicine is active when needed.

Q: How long can the effects of Priligy last?

A: Regulatory documents describe the drug's effect as transient and acute, meaning it is short-lived. This is a result of its pharmacological profile, characterized by rapid absorption and fast elimination from the body.

Q: Is it common to feel nauseous or dizzy after taking Priligy?

A: Nausea and dizziness are listed in official safety information as 'Very Common' side effects. This classification indicates that they may affect more than 1 in 10 men who use the medicine.

Q: Do the side effects of Priligy get better after taking it for a while?

A: Continuation of the therapy is defined in regulatory documents as requiring a formal professional re-appraisal after the first four weeks or six doses. This process monitors the patient's response to the medicine and any side effects.

Q: Can Priligy be used by men of any age?

A: Official regulatory licensing specifies that the medicine is for use exclusively in adult men aged 18 to 64 years. Use is not recommended for individuals under 18 years of age or those 65 years and over.

Q: Is Priligy the same type of medicine as Viagra or Cialis?

A: Priligy’s active ingredient is classified as a Selective Serotonin Reuptake Inhibitor (SSRI). This is a different class of medicine than sildenafil (Viagra) and tadalafil (Cialis), which belong to the drug class known as PDE5 inhibitors.

Q: Does Priligy help with other sexual problems like erectile dysfunction?

A: Priligy is licensed solely for the treatment of premature ejaculation. While some research studies included men who also had Erectile Dysfunction (ED), the medicine is not indicated for the treatment of Erectile Dysfunction (ED).

Q: Can taking Priligy cause you to faint?

A: Fainting, medically known as syncope, has been reported in clinical trials and is listed as an 'Uncommon' adverse event. The risk of fainting may be preceded by symptoms such as light-headedness or dizziness.

Q: What should be done if someone feels very dizzy or faint after taking a dose?

A: Official patient information describes that lying down or sitting down immediately, often with the head between the knees, is advised to prevent injury from a fall if a patient feels dizzy or light-headed. This action is described as a measure to prevent injury from a fall.

Q: Can Priligy be taken with alcohol?

A: Regulatory documentation advises avoiding alcohol when taking this medicine. Co-administration increases the risk of enhanced central nervous system effects, such as increased dizziness, drowsiness, and a higher risk of fainting.

Q: Does Priligy interact with any common medications, like painkillers?

A: Regulatory documents indicate that taking the medicine alongside non-steroidal anti-inflammatory drugs (NSAIDs) may increase the risk of bleeding abnormalities. These include non-steroidal anti-inflammatory drugs (NSAIDs).

Q: Can Priligy affect a person's mood or cause anxiety?

A: Yes, official safety data lists psychiatric effects. Adverse events documented as 'Common' (affecting up to 1 in 10 men) include feeling irritable, restless, agitated, or anxious, as well as experiencing insomnia.

Q: Is Priligy considered a permanent cure for premature ejaculation?

A: The medicine is officially classified as an on-demand therapy, meaning it is intended to be taken only when needed, not on a daily schedule. Its fast elimination from the body and acute action profile align with this purpose.

Q: Does Priligy carry a risk of long-term side effects?

A: The research evidence used in regulatory submissions primarily evaluated the medication over short periods, typically up to 24 weeks. As a result, official documents state that long-term outcomes or safety profiles are not fully established based on the existing research landscape.

Q: Does Priligy have any antidepressant effects since it's an SSRI?

A: Although the active ingredient is classified as an SSRI, its clinical application is distinct. The medicine is ultra-short-acting, which sets it apart from the longer-acting SSRIs typically used for chronic conditions like depression.

Q: What happens if someone accidentally takes more than one tablet in 24 hours?

A: Regulatory documents state that the maximum frequency of administration is strictly limited to one dose every 24 hours. Taking more than the maximum recommended dose increases the incidence and severity of known dose-dependent adverse events, including the risk of fainting.

Q: Can using Priligy make it harder to achieve orgasm?

A: Official safety data lists ejaculation failure as a reported side effect. This event has been documented, but it is not categorized as one of the most common adverse events.

Q: Will Priligy make a person's blood pressure drop?

A: The medicine has been associated with a decrease in blood pressure upon standing, a condition known as orthostatic hypotension. This event is listed in the official safety profile as an 'Uncommon' adverse event.

Q: Does Priligy interact with any herbal supplements?

A: Official documentation strictly prohibits co-administration with serotonergic agents. This includes the herbal product St. John’s Wort, as this combination carries a risk of Serotonin Syndrome.

Q: Can taking Priligy lead to difficulty sleeping or strange dreams?

A: Difficulty sleeping, or insomnia, is listed as a 'Common' side effect in the official safety information. Furthermore, regulatory updates note both 'abnormal dreams' and 'nightmares' as 'Uncommon' adverse events.

Q: What is the risk of dependence or withdrawal symptoms when stopping Priligy?

A: Studies were conducted to examine the effects of abruptly stopping the treatment. This was done to monitor for and assess any potential withdrawal symptoms that might occur upon discontinuation of the medicine.

How should Priligy be stored and disposed of?

How to Store and Dispose of Priligy (Dapoxetine)

Storage Requirements

The official labeling for Priligy film-coated tablets states that no special storage conditions are required to maintain the product's quality and stability. The medicine is not required to be refrigerated or protected from light, and it is stable at ambient conditions within its labeled shelf-life.

Constraint	Requirement
Temperature	No special storage conditions required.
Child Safety	Must be kept out of the sight and reach of children.

Disposal Instructions

To protect the environment, unused or expired Priligy must not be thrown away via household waste or wastewater. Regulatory guidance instructs patients to ask their pharmacist how to dispose of any medicine they no longer need. This ensures that the product is managed as pharmaceutical waste.

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