• Tadalafil 20mg: PDE5 inhibitor — longer-acting erectile dysfunction treatment
• Duration: up to 36 hours ('weekend pill')
• Onset: 30-45 min
• Selective PDE5 selectivity: less effect on other PDE enzymes

• Tadalafil 20mg — the longest-acting PDE5 inhibitor with up to 36-hour window of efficacy
• Provides natural response to sexual stimulation — erection occurs only with stimulation
• Greater spontaneity than shorter-acting alternatives
• Well-studied safety profile with over 20 years of clinical use
• Can also be used once daily at lower dose for continuous effect

• Take 30–60 minutes before anticipated sexual activity
• Effect lasts up to 36 hours — allowing for spontaneity
• Can be taken with or without food
• Use as needed (not daily at this dose)
• Not to be used more than once per 36 hours

• PRESCRIPTION MEDICATION — use only as prescribed by a doctor
• Do not take with nitrates (for heart conditions) — can cause dangerous blood pressure drop
• Consult your doctor about cardiovascular health before use
• Seek medical attention if erection lasts more than 4 hours (priapism)
• Common side effects: headache, flushing, muscle pain, back pain
• Not for men under 18
• Keep out of reach of children

• Swallow the tablet whole with water
• Take 30–60 minutes before sexual activity
• Do not take more than one 20mg tablet per 36 hours
• Alcohol in moderation is generally acceptable — avoid excessive alcohol
• A light meal is preferable — high-fat meals may delay onset slightly

What is the difference between Cialis and Viagra? Tadalafil (Cialis) lasts up to 36 hours; sildenafil (Viagra) lasts 4–6 hours.

Do I need a prescription? Yes, Cialis is a prescription-only medication.

Does it work without stimulation? No — an erection still requires sexual stimulation.