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Table of Contents
ORAL AGENTS FOR HYPERTENSIVE URGENCIES
| Drug |
Dose |
Onset (minutes) |
Peak Effect (hours) |
Duration (hours) |
Captopril
(Capoten®) |
25mg q30mins prn SL or PO |
SL 5-10
PO 15-30 |
SL 0.5-0.8
PO 1-2 |
4-6 |
Labetalol
(Trandate®) |
200-400mg q3-4h prn PO |
30-120 |
3-4 |
6-8 |
Atenolol
(Tenormin®) |
100mg q12-24h prn PO |
60 |
12-16 |
24 |
Clonidine
(Catapres®) |
0.1-0.2mg, then 0.05-0.1mg q1h prn PO (max.
0.8mg) |
30-60 |
2-4 |
6-8 |
Prazosin
(Minipres®) |
1-2mg q1h prn PO |
30-60 |
2-4 |
<24 |
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