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Cocaine fatalities increased by restraint stress
1Department of Psychology, State University of New York at Buffalo 14260-4110.
Life Sciences
|January 1, 1994
Summary
Stress significantly increases cocaine toxicity in rats. Combining cocaine hydrochloride with restraint stress led to a 58% mortality rate, highlighting stress management for cocaine overdose.
Area of Science:
- Pharmacology
- Toxicology
- Neuroscience
Background:
- Cocaine hydrochloride is a stimulant with known toxic effects.
- Stress is a physiological response that can impact health outcomes.
- The interaction between cocaine toxicity and stress is not fully understood.
Purpose of the Study:
- To investigate the effect of restraint stress on cocaine hydrochloride-induced mortality in a rat model.
- To determine if stress exacerbates the toxic effects of cocaine.
Main Methods:
- Laboratory rats were administered a daily moderate dose of cocaine hydrochloride (30 mg/kg, i.p.).
- One group received cocaine injections followed by 30 minutes of restraint stress.
- A control group received cocaine injections without stress.
Main Results:
- The cocaine-plus-stress group exhibited a 5-day mortality rate of 58%.
- In contrast, the group receiving only cocaine showed a 17% mortality rate over 5 days.
- Restraint stress significantly augmented the fatality rate associated with cocaine administration.
Conclusions:
- Stress can potentiate the toxic effects of cocaine hydrochloride.
- Minimizing stress may be crucial in managing clinical cases of cocaine overdose.
- This study underscores the importance of considering environmental stressors in drug toxicity.