Treatment of hypertensive emergencies including severe hypertension associated with renal diseaseHypoglycaemia
DOSE IN NORMAL RENAL FUNCTION
Hypertension: IV: 1–3 mg/kg; maximum single dose: 150 mg, repeat after 5–15 minutesHypoglycaemia: Oral: 3–5 mg/kg in 2–3 divided doses; adjust according to response, usually 3–8 mg/kg; total doses up to 1 g have been used
20 to 50     : Dose as in normal renal function
10 to 20     : Dose as in normal renal function
<10           : Start with a lower dose and increase gradually according to response. Use with caution
DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES
CAPD                :Dialysed. Dose as in GFR <10 mL/min
HD                     :Dialysed. Dose as in GFR <10 mL/min
HDF/high flux   :Dialysed. Dose as in GFR <10 mL/min
CAV/VVHD      :Unknown dialysability. Dose as in normal renal function
IMPORTANT DRUG INTERACTIONS
Potentially hazardous interactions with other drugsAntihypertensives and vasodilators: enhanced hypotensive effectMAOIs: withdraw at least 14 days before starting diazoxidePhenytoin: may reduce phenytoin levels
ADMINISTRATION
Reconstition
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Route
IV bolus, oral
Rate of Administration
<30 seconds
Comments
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OTHER INFORMATION
Single doses above 300 mg have been associated with angina and myocardial and cerebral infarction. Can cause sodium and water retention