+An [overdose](/wiki/overdose) occurs when a [substance](/wiki/substance) is consumed in quantities exceeding safe or recommended levels. This excessive intake can lead to acute [toxicity](/wiki/toxicity) and severe physiological harm, sometimes with fatal consequences.
+## See also
+- [Addiction](/wiki/addiction)
+- [Misuse](/wiki/misuse)
+- [Treatment](/wiki/treatment)
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