(1) More evidence, if any were needed, that the sympathomimetic drugs of recreation cocaine, amphetamines, and ecstasy are bad for the heart.(2) That sympathomimetic drug, which stimulates the nervous system, increases metabolism and burns fat.(3) Tachycardia and hypertension are the result of sympathomimetic stimulation and the psychedelic effects of the drug result from serotonergic stimulation.(4) Sinus tachycardia is usually a physiological response but may be precipitated by sympathomimetic drugs or endocrine disturbances.(5) Pharmacologically, caffeine is a kissing cousin of theophylline, and in high doses it can produce sympathomimetic effects.(6) Both of these drugs have been used as appetite suppressants and both have amphetamine-like sympathomimetic effects.(7) The use of sympathomimetics should be avoided in patients with ventricular fibrillation.(8) Precipitants include being in a dark room (dilates pupil), stress, and certain drugs (e.g., sympathomimetics or anticholinergics).(9) She had not taken any over-the-counter or prescription sympathomimetics , nor did she have a history of risk factors for hypertension or type 2 diabetes.(10) It has also been suggested that the long-acting sympathomimetics when administered alone may contribute to a loss of control of asthma and even death.(11) Although these drugs may have antiinflammatory properties, they are considerably less effective than the sympathomimetics and potentially produce more significant side effects.