Residual effects may persist for several years and long-term treatment with steroids may be necessary. Also, myocardial ischemia, cardiac arrhythmias, MI, and severe shock. If the CV status is stable, induce vomiting or perform gastric lavage followed by activated charcoal. Monitor renal function. For second and following weeks, increase to 50 mg q.i.d.
Food increases the bioavailability of the drug.
IV, IM Hypertensive crisis. Usually switch to PO medication in 1-2 days. Decrease dosage in clients with renal damage. 5-10 mg q 20 min as an IV bolus. If no effect after 20 mg, another drug should be tried.