Journal of the Mississippi State Medical Association
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Clonidine is a central acting a2-agonist used primarily as an antihypertensive agent. Recently, it has been used for the treatment of attention deficit hyperactivity disorder in children and adolescents. When taken in excess, it can produce profound CNS depression, apnea, bradycardia and hypotension. ⋯ The CNS depression sometimes responds to naloxone. Young children are very sensitive to the toxic effects of clonidine. A case of an 11 year old adolescent who took an overdose of his clonidine is described to illustrate the toxicity of this agent.