Treatment for stimulant withdrawal may include a regimen of drugs that increase neurotransmitter production, due to the depression and dysphoria caused by sudden cessation of use.
PCP is a synthetic drug known as a "dissociative" drug, distorting perceptions of sight and sound and producing feelings of detachment.
Methamphetamine use typically increases sexual arousal and lowers sexual inhibitions, and users often put themselves at increased risk of acquiring or transmitting HIV infection.
The hydrocodone component in Vicodin alone can cause an overdose.