increased heart rate, elevated blood pressure and temperature, decreased respiration. dilated pupils, dry mouth, cardiac arrhythmias, twitching tremors, impaired judgment, confusion, disinhibited behavior, paranoid thoughts, hypervigilance, hallucinations, elation. slowed reaction time, altered perceptions, panic, anxiety, nausea, dizziness, depersonalization, paranoid thoughts, trouble expressing thoughts. May cause increases in respiration and heart rate and a slight increase in body temperature. Red eyes, mild dilation, mild tremors, decreased coordination, decreased strength, less ability to perform complex motor tasks and dry mouth.