Sympathomimetic agents should be used with caution in patients with (1)angina, (2)hypertension, (3)hypothyroidism.

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Sympathomimetic agents should be used with caution in patients with angina,hypertension,and hyperthyroidism.The adverse reactions associated with the adrenergic drugs are extensions of their pharmacologic effects.Anxiety and tremors may occur,and the patient may have palpitations.Serious arrhythmias can result.Agents with a-adrenergic action can also cause a dramatic rise in blood pressure.These drugs stimulate a- and b-receptors in the heart and as such would further increase blood pressure and heart rate in persons with already increased blood pressure and heart rates,which could lead to arrhythmias or a myocardial infarction.

Sympathomimetic Agents Should Be Used with Caution in Patients with (1)angina