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Sexual health · TREATMENT GUIDE

Tadalafil treatment guide

Everything you need to know about tadalafil: how to take it, what to expect, managing side effects, and when to contact your doctor.

2 min read · Reviewed by Dr. Alejandro Infante
TREATMENT GUIDE · Sexual health

Tadalafil treatment guide

Everything you need to know about tadalafil: how to take it, what to expect, managing side effects, and when to contact your doctor.

READ TIME
2 min read
PATHWAY
Tadalafil 10/20mg

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On this page
01

How to use

  1. Two options: as needed or daily

    As needed: take one 10 mg or 20 mg tablet at least 30 minutes before sexual activity. Effect lasts up to 36 hours. Daily: take a 5 mg tablet at the same time each day, regardless of sexual activity.

  2. Flexible timing

    Tadalafil offers a longer window of effectiveness compared to other ED medications. It can be taken with or without food.

02

Dose schedule

  1. As needed: 10 mg or 20 mg

    Take at least 30 minutes before sexual activity. Effect lasts up to 36 hours. Do not take more than one dose in 24 hours.

  2. Daily: 5 mg

    For patients who prefer spontaneity. Take at the same time each day. Allows sexual activity at any time without planning.

03

Side effects

Common side effects

Headache, indigestion, back pain, muscle aches, nasal congestion, or facial flushing. These are usually mild and temporary.

When to seek medical help

If you experience an erection lasting more than 4 hours, sudden vision loss, or chest pain, seek emergency medical attention immediately.

04

When to contact your doctor

  • Erections lasting more than 4 hours
  • Sudden vision or hearing changes
  • Persistent back pain or muscle aches
05

Storage

Store at room temperature below 25°C. Keep in the original packaging to protect from light and moisture. Do not use after the expiry date on the carton.

06

What to expect

Tadalafil is a PDE5 inhibitor that provides a longer window of effectiveness (up to 36 hours) compared to other ED medications. It increases blood flow to the penis in response to sexual stimulation. The daily low-dose option allows for spontaneous sexual activity without planning.

07

Sources

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FAQS

Common questions

Tadalafil treatment guide3 questions
Who writes the guides?
Each guide is written and reviewed by an EU-licensed doctor and based on the official product information (SmPC).
No. They support your treatment, and your doctor's instructions always come first.
Yes. English, Spanish, German, Dutch, Italian, French and Portuguese.

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All content on this page has been medically reviewed by: Dr. Alejandro Infante, General medicine, on 26 August 2026. Registration: 080869277 View profile

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