PDE5 inhibitor
Tadalafil dosage guide: how much to take and when
Choosing the right dose of Tadalafil (Tadalafil) is the most important practical decision after starting therapy. Tadalafil is supplied as tablet, sublingual tablet, soft gelatin capsule in 20mg, 2.5mg, 5mg, 10mg, and the right dose for a given person depends on the indication, age, comorbidities and tolerance to the active ingredient Tadalafil.
Starting dose and titration
According to the prescribing information, most adults begin Tadalafil at the lowest available strength of 20mg, 2.5mg, 5mg, 10mg and titrate up only if symptom control is insufficient and tolerability is good. Higher doses are reserved for selected cases. Older adults, people with renal or hepatic impairment, and those taking interacting medications should usually start at the lowest dose.
When to adjust
Dose adjustment is guided by symptom response and side effect burden, not by arbitrary schedules. Tadalafil selectively inhibits PDE5, the enzyme responsible for breaking down cyclic guanosine monophosphate in the corpus cavernosum and other vascular smooth muscle. If side effects are limiting at a given dose, going down a step is usually preferred over stopping abruptly. If the response is incomplete after several weeks, a higher dose can be tried under medical supervision.
Frequently asked questions
What is the standard starting dose of Tadalafil? ▾
Most adults start Tadalafil at the lowest strength of 20mg, 2.5mg, 5mg, 10mg, with adjustment based on symptom response and tolerance. Older adults and those with reduced kidney or liver function generally start lower. The prescriber decides the exact starting dose for each person.
Can I take a higher dose of Tadalafil if it isn't working? ▾
Higher doses of Tadalafil should only be used after consulting the prescriber. Doubling on your own is unsafe, especially with active ingredients in the PDE5 inhibitor class. The prescriber can confirm whether titration is appropriate or whether the medication needs to be changed.
Products containing Tadalafil
More on Tadalafil
- With alcoholTadalafil and alcohol — is it safe to drink?
- With foodShould Tadalafil be taken with food?
- Side effectsTadalafil side effects: common, rare and warning signs
- OnsetHow fast does Tadalafil start working?
- DurationHow long does Tadalafil last?
- Missed doseWhat to do if you miss a dose of Tadalafil
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.