However, sensations and feelings change much more dramatically than the physical signs. The user may feel several different emotions at once or swing rapidly from one emotion to another. Barbiturates Barbiturates are prescription sedatives. Typically in the form of multicoloured tablets and capsules, this class of drug has numerous street names including barbs, red devils, goof balls, yellow jackets, block-busters, pinks, reds and blues. When abused, Barbiturates mimic alcohol inebriation causing mild euphoria, reduction of inhibitions, relief of anxiety and sleepiness.
Higher doses cause impairment of memory, judgement and co-ordination, irritability, and paranoia.
Methadone is usually prescribed as a green liquid for oral consumption but it also comes in injectable and tablet forms. When taken, methadone creates a sense of well-being and absence of stress which is much less intense but much longer acting than that produced by heroin. Other side effects include constipation, small pupils, sweating and itchy skin. Used as a general anaesthetic in both human and veterinary medical practice, Ketamine is normally found in injectable form. Inhalants are ordinary household or industrial products that are inhaled or sniffed by solvent abusers to achieve intoxication.