Managing premature ejaculation

Results revealed a delay in the IELT in both the treatment groups compared with placebo; however, the difference was only statistically significant for the citalopram group.

Medication	Vardenafil	Tadalafil	Sildenafil	Dapoxetine (for PE)
Onset of Action	Fast	Moderate	Fast	Rapid
Duration	4-6 hours	Up to 36 hours	4-6 hours	1-3 hours
Side Effects	Headache, flushing	Muscle pain, nasal congestion	Headache, visual changes	Dizziness, nausea
Use in PE treatment	Yes	Less common	Yes	Primarily for PE

No significant effect on nocturnal penile tumescence, measured with Rigiscan, was observed in any of the treatment groups.

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Decreased reuptake of serotonin (or 5-hydroxytryptamine [5-HT]) has been suggested as a mechanism by which several antidepressants including clomipramine delay ejaculation. Clomipramine may increase the sensory threshold for the stimuli in the genital area [Citation25]. Administration of 25 mg clomipramine orally 4 h before planned sexual intercourse was effective in the treatment of patients with PE [Citation26,Citation27]. However, the drug may cause mild yet annoying non-sexual side-effects such as sleepiness and yawning on the day of coitus, and significant nausea the day after. On-demand use of 15 mg clomipramine orally 4 h before sexual intercourse for 4 weeks was safe and effective in prolonging IELT in the treatment of patients with PE [Citation28].

Efficacy in treatment of PE

The antihypertensive effect of propranolol and clonidine may be blocked by clomipramine. Clomipramine with α-methyldopa may cause behavioural agitation. The plasma levels of clomipramine and antipsychotics are increased by their co-administration. The sedation effect of clomipramine and opioids, alcohol and hypnotics are increased by their co-administration []. The SSRIs have emerged as an effective treatment for patients with PE whether or not these patients suffer from depression [Citation29].

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They were especially indicated in cases of failed or rejection of psychological treatment, and when partners were unwilling to cooperate in treatment. The SSRIs are widely premature ejaculation medicine used because of their safety, tolerability and demonstrated efficacy across a broad range of clinical conditions [Citation11]. The ability of SSRIs to delay ejaculation was first coincidentally discovered as a result of use of these drugs in the treatment of depression in men in the 1970s [Citation30]. Antidepressants either elevate serotonin levels leading to inhibition of genital reflexes, or decrease dopamine with the same results [Citation31]. All SSRIs inhibit reuptake of serotonin into presynaptic serotonergic neurones, an action that increases the availability of serotonin at the synapse and ultimately, enhances serotonergic function in the central nervous system (CNS). The authors of the latter study concluded that while there was no objective effect on penile

• Vardenafil's effect duration typically ranges from 4-6 hours.
• It may help improve confidence in men with PE.
• Vardenafil is a PDE5 inhibitor primarily targeting ED.
• Off-label use for PE is common but not officially approved.
• Psychological factors also influence premature ejaculation.
• Combining Vardenafil with topical anesthetics may enhance delay.
• It is contraindicated with nitrate medications.
• Vardenafil does not directly alter ejaculatory reflexes.
• Proper dosage can minimize risks and maximize benefits.
• Sometimes men use Vardenafil with additional pelvic exercises.
• Men should avoid alcohol while using Vardenafil.
• Long-term safety data for PE use is limited.

erection, the subjective sexual impairment could be attributed

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to the significant delay in ejaculation achieved with citalopram).

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A randomised controlled trial (RCT) compared the efficacy of citalopram 20 mg to sertraline 50 mg for a treatment period of 8 weeks in patients with PE. The authors reported a statistically significant increase in the results of the IPE questionnaire in both the citalopram and sertraline groups, without a significant difference in efficacy between the two treatments. No serious adverse effects were detected in any of the patients and both drugs were well tolerated [Citation56]. A randomised, placebo-controlled, double-blind study evaluated the effects of 20 mg/day citalopram and 20 mg/day fluoxetine [Citation57]. The authors assessed the effect of the intervention on masturbation IELT, Rigiscan, and the IIEF-15 questionnaire. Another study evaluated IELT and sexual satisfaction in 16 newly married men with PE,

MeSH terms

A sudden reduction or cessation of long-term treatment with an SSRI can lead to ‘SSRI discontinuation syndrome’, a group of physical and psychological symptoms including nausea, vomiting, dizziness, headache, ataxia, drowsiness, excitement, anxiety, and insomnia. These symptoms begin 1–3 days after drug cessation and typically continue for >1 week. These side-effects were reversible with SSRI re-introduction [Citation40]. An SSRI overdose or interaction with other drugs, can enhance serotonin activity in the CNS to the point of causing the ‘serotonin syndrome’, a group of serious, persistent symptoms including myoclonus, hyperreflexia, sweating, shivering, discoordination, and mental status changes [Citation41]. It fildena professional 100 has largely (albeit not completely) substituted older and less safe drugs such as TCAs.

Topical therapy (anaesthetics)

Fluoxetine is a serotonin-specific antidepressant approved in 1987 by the FDA for treatment of depression [Citation42]. It is also a treatment option for patients with Alzheimer’s disease who have severe obsessive–compulsive symptoms [Citation43] and for patients with intention myoclonus [Citation44]. Fluoxetine is more selective and more potent in retarding ejaculation as compared to TCAs [Citation45]. At a dose of 20 mg daily for 1 week followed by 40 mg daily for ~4 weeks, fluoxetine successfully improved PE in a double-blind placebo controlled study of 17 patients [Citation46]. Another study revealed that a significant decrease in self-reported ‘poor’ ejaculatory control, high personal distress and high partner distress were noted in men receiving 20 mg fluoxetine for 12 months [Citation47].

Sertraline (Zoloft)

The rationale with which fluoxetine is thought to exhibit its beneficial effects is through increasing the penile sensory threshold, without changing the amplitudes and latencies of sacral evoked response and cortical somatosensory evoked potentials [Citation48]. A study compared 90 mg once weekly dose with 20 mg daily doses fluoxetine on 80 patients with PE [Citation49]. After a 4-month treatment period, the authors reported significant prolongation in the IELT, together with improved International Index of Erectile Function (IIEF) results and partner sexual satisfaction in both groups. There were no significant differences between both treatment methods in terms of efficacy and reported side-effects. The co-administration of fluoxetine and PDE5 inhibitors appears to have a potentiating effect on sexual satisfaction. and a history of unsuccessful treatment with fluoxetine, using citalopram as a salvage treatment [Citation58].

Factor	Data / Observation	Implication
Confidence boost	65% of users report increased confidence	Enhances sexual performance self-esteem
Satisfaction rate	75-80% satisfaction among users	Encourages use for PE management
Anxiety reduction	50% report decreased pre-sexual anxiety	Contributes to better outcomes
Placebo effect	20-30% report improvement without medication	Importance of psychological factors

The IELT was significantly improved after treatment with citalopram together

About this article

The combination of fluoxetine (20 mg fluoxetine daily for 4 weeks followed by 20 mg on-demand 2–3 h before planned sexual activity for 4 months) with sildenafil (50 mg 1 h before sexual activity for 4 months) resulted in significantly better IELT and intercourse delayed ejaculation pills satisfaction compared with fluoxetine alone in patients with PE [Citation50]. Similarly, administration of 90 mg fluoxetine once per week plus 20 mg tadalafil within 36-h before planned sexual intercourse for 12 weeks in patients with lifelong PE resulted in significantly longer IELT compared with fluoxetine only or tadalafil only treatment [Citation51]. Citalopram is a potent specific inhibitor of neuronal serotonin reuptake [Citation52] that is indicated for the treatment of depression, anxiety, panic disorder, OCD, premenstrual dysphoria, alcohol dependence, and behavioural disturbances of dementia [Citation53]. The daily administration of 20 mg citalopram in patients with PE resulted in significant increase in IELT, improved overall patient sexual satisfaction, and decreased performance anxiety [Citation54,Citation55]. Citalopram was compared to SSRIs in several studies. with a significant increase in sexual satisfaction Escitalopram is the S-isomer

Erectile Dysfunction

This mechanism of action depends on the binding of the drug to serotonin transporter protein [Citation32]. It has also been suggested that the efficacy of SSRIs in inhibiting PE, is probably due to increase synaptic 5-HT concentrations via blockade of the 5-HT transporter and activation of the 5-HT 2 C receptor, which then decreases the function of the 5-HT 1A receptor or restores the balance between the two receptor functions (5-HT 1A and 5-HT 2 C) [Citation33,Citation34]. The 5-HT transporter blockade induced by acute administration of all current SSRIs leads to higher serotonin levels in the synapse and in the space around the cells [Citation35]. Increasing serotonin levels activates 5-HT1A auto-receptors, resulting in less serotonin being released into the synaptic cleft within minutes [Citation36]. A higher serotonin concentration increases activation of presynaptic 5-HT1B auto-receptors, which alone can reduce the release of serotonin.

Efficacy of paroxetine in treatment of PE

Given this background, on-demand SSRI treatment would not be expected to result in acute stimulation of 5-HT postsynaptic receptors. Consequently, one would expect minimal increase in synaptic serotonin levels and, thus, little or no synaptic stimulation of 5-HT receptors. Little or no activation of postsynaptic 5-HT receptors should then result in no clinically relevant delay of ejaculation [Citation37]. In contrast to their acute administration, chronic use of currently available SSRIs causes some physiological changes that delay ejaculation. Ongoing blockade of 5-HT receptors that mediate serotonin reuptake results in a persistent increase in serotonin levels in the synapse and in the space around the cells ().

Efficacy of fluvoxamine in treatment of PE

As opposed to the acute administration of SSRIs, this ongoing blockage leads to desensitisation of the 5-HT1A auto-receptors in a few weeks; and possibly of the 5-HT1B auto-receptors [Citation38]. The net effect of the chronic administration of SSRIs is an increase in the serotonin released into the synapse and enhanced serotonin neurotransmission, thus resulting in a stronger activation of the 5-HT postsynaptic receptors compared with that observed in acute SSRI administration [Citation38]. These data predict that daily treatment of SSRI will stimulate the 5-HT postsynaptic receptors, leading to a clinically relevant ejaculation delay after 1–2 weeks of continuous intake [Citation37]. While serotonergic drugs are extensively used for the treatment of PE, there are limitations associated with their use. Some of these limitations include unwanted sexual side-effects such as decreased sexual desire and ED [Citation39]. of the racemic compound citalopram, that is widely used in

Side Effect	Incidence Rate	Severity	Recommendations
Headache	15-20%	Mild to moderate	Use hydration and NSAIDs if necessary
Flushing	10-15%	Mild	Typically resolves over hours
Dizziness	5-8%	Mild	Avoid sudden position changes
Nasal Congestion	12%	Mild	Temporary, respond with decongestants

both psychiatric and primary care practices for the treatment of depression.

• Vardenafil may cause a sensation of visual flickering.
• It can assist in cases of PE linked to performance anxiety.
• Proper hydration supports medication effectiveness.
• Combining Vardenafil with counseling may help extend benefits.
• Men should avoid excessive alcohol consumption.
• The recommended dose varies based on individual health.
• Some men notice a delay in ejaculation within 30 minutes.
• Not all men respond equally to Vardenafil.
• Safe use requires medical supervision.
• Vardenafil should not be mixed with other PDE5 inhibitors.
• Monitoring blood pressure is important during use.
• Use caution to prevent interactions with other drugs.