What is 'increasing tolerance'?
Direct Answer
Increasing tolerance describes a physiological adaptation. The body adjusts to repeated exposure to a substance. A larger quantity of the substance becomes necessary to achieve the previously experienced effects. This adaptation is distinct from addiction itself.
Common Misunderstandings
["Some believe increasing tolerance is always addiction. Tolerance is a physiological effect. Addiction involves compulsive use despite negative consequences.","It is sometimes thought that tolerance only applies to illicit drugs. Tolerance can develop with many substances. This includes caffeine, nicotine, and prescribed medications.","A misconception is that tolerance develops quickly for everyone. The rate of tolerance development varies. It depends on the substance, dosage, frequency, and individual physiology."]
In Practice
If a person consistently uses a substance, the body can become less sensitive to its effects. This means the initial dose may cease to produce the same outcome. Subsequently, a higher dose might be sought to achieve that outcome. For example, a person might drink more coffee to feel alert. Or they might need a higher dose of a pain reliever for the same relief. This physiological adjustment occurs at a cellular level.
What This Does NOT Mean
["This does not mean a moral failing. Tolerance is a biological response.","This does not include behavioral changes tied to substance seeking. Tolerance is a physical change in response to a substance.","This does not necessarily mean an individual is experiencing withdrawal symptoms. Tolerance can occur without withdrawal.","This does not guarantee addiction development. Tolerance is a factor in some addiction models, but it is not addiction itself."]
Scope
This information is for reference only and is not a substitute for professional medical or psychological evaluation.