The nurse would determine that medication education for a client prescribed sildenafil (Viagra) was successful when the client states which of the following?
1. "Grapefruit juice will decrease the effects of sildenafil (Viagra). "
2. "Sildenafil (Viagra) should be taken with food.".
3. "I can take only one pill in a 24-hour period.".
4. "I can take sildenafil (Viagra) anywhere from one to six hours before sex.".
3. "I can take only one pill in a 24-hour period.".
Rationale:
Taking only one pill in a 24-hour period is the recommended dosing for sildenafil (Viagra). Grapefruit juice can lead to increased, not decreased, levels of sildenafil (Viagra). Sildenafil (Viagra) should be taken on an empty stomach, not with food. The optimum time for administration is one hour before sex, but it can be taken up to 4 hours before sex.
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