The client has been prescribed doxazosin (Cardura). What teaching should the nurse provide?
1. Take your first dose as soon as you get your prescription at the pharmacy.
2. Do not drive for 12-24 hours after starting this medication.
3. You may experience sweating and a headache while taking this medication.
4. Increase fluids with this medication.
Correct Answer: 2
Rationale 1: The first dose should not be taken at the pharmacy.
Rationale 2: Doxazosin may cause "first dose" phenomenon which results in a greater initial drop in BP than with subsequent doses. The client should not drive for 12-24 hours until this effect has passed.
Rationale 3: Doxazosin (Cardura) does not cause diaphoresis or headache.
Rationale 4: There is no reason to encourage fluids.
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