When someone takes a small dose of GHB they may feel relaxed and more sociable.
Most deaths as a result of inhalant abuse are due to repetitive inhalation, which can lead to extremely high concentrations of inhaled fumes, which displaces the available oxygen in the lungs.
Many of the individuals that have used Xanax for medicinal purposes or recreational purposes (non-medically) have described feeling a sense of confusion and memory loss, and a "floating" or disconnected feeling after taking the drug.
Major heroin withdrawal symptoms peek about 48 and 72 hours after the last heroin dose and subside after about a week.