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Erectile Dysfunction (PDE5 Inhibitor)

Drug Class: Commonly Known As: Category:
Adult

Erectile Dysfunction (PDE5 Inhibitor) - Dosage and How to Use

How should Erectile Dysfunction (PDE5 Inhibitor) be used?

  • If you are taking SILDENAFIL:
    • Take Sildenafil on a when-needed basis, half an hour to one hour (up to 4 hours) before sexual activity.
    • Sildenafil may be taken with or without food; however it may take longer to start working if taken with a high-fat meal.
    • Do not take more than the dose prescribed to you.
    • Do not take Sildenafil more than once a day.
  • If you are taking TADALAFIL on a WHEN-NEEDED basis:
    • Take Tadalafil at least half an hour (up to 36 hours) before sexual activity.
    • Tadalafil may be taken with or without food.
    • Do not take more than the dose prescribed to you.
    • Do not take Tadalafil more than once a day.
    • The recommended dose of Tadalafil when taken as needed is higher than the recommended dose when taken once daily. Avoid taking Tadalafil at when-needed doses continuously every day.
  • If you are taking TADALAFIL on a ONCE-DAILY basis:
    • Take Tadalafil at around the same time of the day, regardless of the timing of sexual activity.
    • Tadalafil may be taken with or without food.
    • If you miss a dose, take the missed dose as soon as you remember. However, if it is time for the next dose, skip the missed dose and take the next dose as scheduled. Do not double your dose to make up for a missed dose.
    • Do not take more than the dose prescribed to you.

What should I do if I miss a dose?

If you are taking TADALAFIL on a ONCE-DAILY basis:

  • If you miss a dose, take the missed dose as soon as you remember. However, if it is time for the next dose, skip the missed dose and take the next dose as scheduled. Do not double your dose to make up for a missed dose.

What should I do if I overdose?

  • Updated on Sunday, December 18, 2016
  • Article contributed by Pharmacy Singapore General Hospital

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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