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.