Tadalafil is supplied in 2.5 mg, 5 mg, 10 mg, 20 mg. The standard approach is 10 mg on demand, or 2.5–5 mg once daily for spontaneity
Strength and use
| Strength | Typical role |
|---|---|
| 2.5 mg | Starting or low-dose maintenance |
| 5 mg | Standard maintenance dose |
| 10 mg | Escalation dose where response is partial |
| 20 mg | Escalation dose where response is partial |
Titration path
- 1
Step 1: initiate
Begin at the lowest useful strength of 2.5 mg.
- 2
Step 2: assess
Review after the onset window of 30–120 minutes.
- 3
Step 3: escalate
Move up one strength only if the response is partial and tolerance is good.
- 4
Step 4: maintain
Hold at the lowest effective dose for erectile dysfunction and benign prostatic hyperplasia and review periodically.
Key takeaways
- Standard dosing: 10 mg on demand, or 2.5–5 mg once daily for spontaneity
- Dosing interval: up to 36 hours.
- Never double up after a missed dose: resume the normal schedule.
- Store 15–30 °C, dry, original blister to protect potency across the shelf life.
Missed doses and adherence
If a dose is missed and the next one is close, skip it. Doubling increases the risk of back pain without improving outcomes. Blister packaging and clear dispensing labels measurably improve adherence on film-coated tablet lines.
Tadalafil at a glance
| Attribute | Detail |
|---|---|
| Drug class | PDE5 inhibitor |
| Common brand | Cialis |
| Licensed use | erectile dysfunction and benign prostatic hyperplasia |
| Available strengths | 2.5 mg, 5 mg, 10 mg, 20 mg |
| Dosage form | film-coated tablet |
| Typical onset | 30–120 minutes |
| Duration / dosing interval | up to 36 hours |
| Storage | 15–30 °C, dry, original blister |



