Hypertensive emergencies are treated parenterally. ACE inhibitors are very good in urgent situations.
Captopril 25mg, repeated as needed works in 15-30 minutes. Clonidine, labetalol and prazosine are not that rapidly effective. Sodium nitropruside is extremely rapid, within seconds. Hypertension urgencies medication
dosage forms that you can take p.o. are never as effective as parenteral treatment is. If you have retard form of drug, break it before you take it, for faster absorbtion.
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