Drug Study - Clonidine Hydrochloride

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Catapres, Catapres-TTS, Dixaril , Duraclon

Action:

Centrally acting antiadrenergic derivative. Stimulates alpha₂-adrenergic receptors in CNS to inhibit sympathetic vasomotor centers. Central actions reduce plasma concentrations of norepinephrine. It decreases systolic and diastolic BP and heart rate. Orthostatic effects tend to be mild and occur infrequently. Also inhibits renin release from kidneys..

Classifications:

cardiovascular agent; central-acting antihypertensive; analgesic

Indication:

Step 2 drug in stepped-care approach to treatment of hypertension, either alone or with diuretic or other antihypertensive agents. Epidural administration as adjunct therapy for severe pain.

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