Hallucinogens

Use of hallucinogens produces different signs and symptoms depending on the drug. The most common hallucinogens are LSD, phencyclidine (PCP) and ketamine (special K), a so-called "club drug." Signs and symptoms of LSD use include: § Hallucinations § Greatly impaired perception of reality, for example, interpreting input from one of your senses as another, such as hearing colors § Permanent mental changes in perception § Rapid heart rate § High blood pressure § Tremors § Flashbacks, a re-experience of the hallucinations — even years later Signs and symptoms of PCP use include: § Hallucinations § Euphoria § Delusions § Panic § Loss of appetite § Depression § Aggressive, possibly violent behavior Signs and symptoms of ketamine use include: § Increased heart rate § Nausea and vomiting <span style="font-size: 10pt; color: rgb(85,85,85); line-height: 125%; font-family: Wingdings;">§ Numbness <span style="font-size: 10pt; color: rgb(85,85,85); line-height: 125%; font-family: Wingdings;">§ Impaired motor function <span style="font-size: 10pt; color: rgb(85,85,85); line-height: 125%; font-family: Wingdings;">§ Loss of memory
 * Hallucinogens: Signs and symptoms**