However, there are many others. They can be consumed orally, injected, smoked, or snorted. In small amounts, they can produce a calming effect, relaxing muscles. In larger amounts, however, they can cause slurred speech, and altered sense perceptions. Overdose can result in respiratory failure, coma or even death.
Depressants can be both physically and psychologically addictive.
Depressants come as liquids, crystalline powders that can be inhaled, smoked, or injected, and as tablets or pills. Hallucinogens Hallucinogens can be made or grow naturally. Hallucinogens can be found in the form of a white, tasteless powder that can be in the form of tablets, capsules, or liquid that may be ingested or absorbed through the skin or mucous membranes. The liquid can also be placed on tiny sheets of paper called blotter, or absorbed into sugar cubes. Hallucinogens can be injected, absorbed or eaten.