K2 or Spice is a mixture of herbs, spices or shredded plant material that is typically sprayed with a synthetic compound chemically similar to THC, the psychoactive ingredient in marijuana.
K2 is typically sold in small, silvery plastic bags of dried leaves and marketed as incense that can be smoked. It is said to resemble potpourri. K2 products are smoked in joints or pipes, but some users make it into a tea.
Short term effects include, increased agitation, pale skin, seizures, vomiting, profuse sweating, uncontrolled / spastic body movements, elevated blood pressure, heart rate and palpitations. The onset of this drug is 3-5 minutes, and the duration of the high is 1-8 hours. In addition to physical signs of use, users may experience: dysphasia, severe paranoia, delusions, and hallucinations.