These products should be avoided in known serious structural cardiac abnormalities, cardiomyopathy, serious heart rhythm abnormalities, or other serious cardiac problems which could increase the risk of sudden death which these conditions alone carry. Difficulty in accommodation and blurred vision reported with use of stimulants. Potential for drug dependency. Prolonged use may lead to drug dependency. Use is contraindicated in history of ethanol or drug abuse. Use with caution in hypertension and other cardiovascular conditions which might be exacerbated by increases in blood pressure or heart rate. Use is contraindicated in moderate to severe hypertension. Use with caution in pre-existing psychosis or bipolar disorder (may induce mixed/manic episode). May exacerbate symptoms of behavior and thought disorder in psychotic patients. New onset psychosis or mania may occur with stimulant use. Use with caution in history of seizure disorder (may lower seizure threshold leading to new onset or breakthrough seizure activity). Use with caution in Tourette’s syndrome (stimulants may unmask tics). Appetite suppression may occur. Use of stimulants has been associated with suppression of growth. Products may contain tartrazine. Abrupt discontinuation following high doses or for prolonged periods may result in withdrawal symptoms.