Important: This is informational content only. Always consult Dr. Ambrish Singal or your psychiatrist before starting, stopping, or changing any medication.
What is Dapoxetine?
Dapoxetine is a short-acting SSRI specifically developed for premature ejaculation. Unlike other SSRIs used for depression, it is taken on-demand rather than daily, with rapid onset and short duration.
How It Works
Rapidly inhibits serotonin reuptake at the neuronal synapse, increasing serotonin's action at post-synaptic receptors. This modulates the ejaculatory reflex and increases intravaginal ejaculatory latency time (IELT).
Uses
How This Drug Starts Working
Effects typically begin within 1-4 weeks depending on the condition being treated. Full therapeutic effect usually takes 4-8 weeks.
Week-by-Week Timeline
Week 1: Medication reaching therapeutic blood levels. Some initial side effects may appear as body adjusts.
Week 2-3: Initial therapeutic effects beginning. Side effects often settling.
Week 4-6: Significant therapeutic benefit in most patients.
Week 8+: Full effect established. Treatment response can be properly assessed.
What Changes First?
Physical symptoms (sleep, appetite, energy) typically improve before emotional and cognitive symptoms. Others may notice improvement before you feel it yourself.
Why Does It Take Time?
Psychiatric medications work by gradually rebalancing brain chemistry and neural circuits. Unlike pain medications that block a sensation, these drugs help your brain rebuild healthy patterns — which requires time.
Complete Dosage Guide
How to Take
Take exactly as prescribed by your doctor. Maintain consistent timing each day.
Starting Dose
Your doctor will determine the appropriate starting dose based on your condition, age, weight, and other factors.
Dose Increases
Dose adjustments are made gradually based on your response and side effects. Follow your doctor's instructions for any changes.
Maximum Dose
Your doctor will not exceed safe maximum doses. Never take more than prescribed.
When to Take
Take at the same time daily for best results. Ask your doctor whether morning or evening is better for your specific medication.
If You Miss a Dose
If you miss a dose, take it as soon as you remember unless close to your next dose. Never double up. Contact your doctor if you miss multiple doses.
Food & Drink
Ask your doctor or pharmacist about specific food interactions for your medication.
How Long to Take
Duration of treatment varies by condition. Never stop medication without discussing with your doctor first — some medications require gradual tapering.
Dosage by Age Group
adult
Start 30mg, taken 1-3 hours before sexual activity. May increase to 60mg if needed. Maximum one dose per 24 hours.
child
Not applicable.
elderly
Use with caution. Limited data in men over 65.
Special Populations
Pregnancy
Not applicable (male use only).
Kidney Conditions
Not recommended in severe renal impairment.
Liver Conditions
CONTRAINDICATED in moderate-severe hepatic impairment.
Side Effects
Common
- Nausea
- Dizziness
- Headache
- Diarrhea
- Insomnia
- Fatigue
Serious
- Syncope (especially with dehydration or standing quickly)
- Serotonin syndrome (with other serotonergic drugs)
- Orthostatic hypotension
- Suicidal ideation (theoretical SSRI class risk)
What You Should Know
Overdose Risks
Limited data. Expected symptoms: nausea, vomiting, dizziness, somnolence. No specific antidote. Supportive care.
Safe Discontinuation
No tapering needed (on-demand use). No withdrawal symptoms expected.