NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What unique characteristic does Tadalafil (Cialis) have among PDE-5 inhibitors for ED?

  1. Instant effect

  2. Taken 30 mins prior to sexual activity

  3. Requires daily administration

  4. No side effects

The correct answer is: Taken 30 mins prior to sexual activity

Tadalafil (Cialis) stands out among PDE-5 inhibitors for erectile dysfunction (ED) due to the fact that it can be taken 30 minutes prior to sexual activity. This unique characteristic allows for more flexibility and spontaneity compared to other PDE-5 inhibitors that require a longer lead time before sexual activity. This means that Tadalafil can be taken closer to the time of intercourse, making it a preferred choice for some patients.

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