Long term marijuana users will sometimes utilize the drug to escape from problems, ease feelings of anger or frustration, and to get through the day.
There have been numerous reports of heroin users switching to Opana because they can achieve an even more intense high on this prescription opioid than they could on heroin.
With repeated use, crack cocaine users typically develop a tolerance to the drug.
When drug relapse occurs after treatment at a drug rehab program, some individuals may deem treatment a failure; although treatment for drug abuse typically requires continual evaluation and modification as needed, similar to the approach taken for other chronic diseases.