Purple Drank is a mixture of a prescription cold medication with a soda drink like Sprite or Mountain Dew, plus ice and Jolly Rancher candies often added for color and taste. The cold medication should contain promethazine (an antihistamine) and codeine.
The physiological effects of purple drank on the user is to produce mild euphoric side effects, which are accompanied by motor-skill impairment, lethargy, drowsiness, and a dissociative feeling from all other parts of the body.
Constricted pupils that do not respond well to light
Rough, raspy voice
Slow, slurred speech
Uncontrolled eye movement
Droopy eyes
Slowed heart rate
Drowsiness
Loss of balance
Loss of coordination
Paleness
Constipation
Urinary tract infection
Dental problems
Addiction