Cocaine: Difference between revisions

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==Background==
''This page is for the drug cocaine; for clinical effects see [[cocaine toxicity]]''
[[File:Kokain_-_Cocaine.svg.png |thumb|Cocaine chemical structure]]
==Administration==
*A [[Sympathomimetic toxicity|sympathomimetic]] stimulant derived from an alkaloid paste made from the leaves of the coca plant
*Type: Local anesthetic
*Both a legitimate medical drug and a drug of abuse
*Dosage Forms: 4% solution; 10% solution
*Routes of Administration: Topical
*Common Trade Names: Cocaine


===Forms of Abuse===
==Adult Dosing==
*Cocaine can be smoked, snorted, injected or ingested
*1-3 mg/kg, max dose of 200 mg
*Smoked form is often in a free-base or crack form
**Some literature suggests maximum dose of 100 mg
**Ideally use lowest effective dose


===Detection===
==Pediatric Dosing==
*Unreliable in very acute intoxication<ref>McCord J, et al. Management of Cocaine-associated chest pain and myocardial infarction. Circulation. 2008; 117: 1897-1907.</ref>
*1 mg/kg
*Qualitative urine detection of cocaine metabolite benzoylecgonine at cut-off of 300 ng/ml
**No clear safe dose established
**On average, shows up in urine 24-48 hrs after use
**Up to 22 days in chronic users


==Adverse effects==
==Special Populations==
*Acute
*[[Drug pregnancy categories|Pregnancy Rating]]: Category C
**Chest pain
*Lactation risk: Infant risk has been demonstrated
**Sympathomimetic qualities
===Renal Dosing===
***Tachycardia
*Adult: N/A
***Fever
*Pediatric: N/A
***Agitation
===Hepatic Dosing===
***Diaphoresis
*Adult: N/A
**Pulmonary Complications:
*Pediatric: N/A
***"Crack lung"<ref>Forrester, J. M., Steele, A. W., Waldron, J. A. and Parsons, P. E. (1990) ‘Crack Lung: An Acute Pulmonary Syndrome with a Spectrum of Clinical and Histopathologic Findings’, American Review of Respiratory Disease, 142(2), pp. 462–467. doi: 10.1164/ajrccm/142.2.462.</ref>
***Diffuse alveolar hemorrhage<ref>Ettinger, N. A. and Albin, R. J. (1989) ‘A review of the respiratory effects of smoking cocaine’, The American Journal of Medicine, 87(6), pp. 664–668. doi: 10.1016/s0002-9343(89)80401-2.</ref>
***[[ARDS]]
***Acute eosinophilic pneumonia
***[[Pneumothorax]]
***[[Pneumomediastinum]]
***Thermal epiglottitis - hot cocaine
*Chronic
**Atherosclerosis
**Cardiomyopathy
**Nasal Septum damage
**Up to 70% of US cocaine tainted with [[levamisole]], potentially leading to [[neutropenia]], [[vasculitis]]


==Mechanism of action==
==Contraindications==
*Allergy to class/drug
 
==Adverse Reactions==
*[[Cocaine-associated chest pain]]
*Sympathomimetic qualities
**Tachycardia
**Fever
**Agitation
**Diaphoresis
 
==Pharmacology==
*Half-life: 50 to 75 minutes (5.5 hours benzoylecgonine metabolite)
*Metabolism: Plasma cholinesterase; liver
*Excretion: Renal
 
==Mechanism of Action==
*Blocks reuptake of serotonin, dopamine and norepinephrine
*Blocks reuptake of serotonin, dopamine and norepinephrine
*Anesthetic effects achieved through sodium channel blockade
*Anesthetic effects achieved through sodium channel blockade


==Differential Diagnosis==
==Comments==
{{Sympathomimetic types}}
 


==See Also==
==See Also==
*[[Sympathomimetic Toxicity]]
*[[Cocaine toxicity]]
*[[Cocaine Intoxication]]
*[[Cocaine Chest Pain]]
*[[Cocaine Withdrawal]]
*[[Levamisole toxicity]]
 
[[Category:Tox]]
[[Category:Pharmacology]]


==References==
==References==
Micromedex
<references/>
<references/>
[[Category:Pharmacology]]

Latest revision as of 14:35, 16 March 2018

This page is for the drug cocaine; for clinical effects see cocaine toxicity

Administration

  • Type: Local anesthetic
  • Dosage Forms: 4% solution; 10% solution
  • Routes of Administration: Topical
  • Common Trade Names: Cocaine

Adult Dosing

  • 1-3 mg/kg, max dose of 200 mg
    • Some literature suggests maximum dose of 100 mg
    • Ideally use lowest effective dose

Pediatric Dosing

  • 1 mg/kg
    • No clear safe dose established

Special Populations

Renal Dosing

  • Adult: N/A
  • Pediatric: N/A

Hepatic Dosing

  • Adult: N/A
  • Pediatric: N/A

Contraindications

  • Allergy to class/drug

Adverse Reactions

Pharmacology

  • Half-life: 50 to 75 minutes (5.5 hours benzoylecgonine metabolite)
  • Metabolism: Plasma cholinesterase; liver
  • Excretion: Renal

Mechanism of Action

  • Blocks reuptake of serotonin, dopamine and norepinephrine
  • Anesthetic effects achieved through sodium channel blockade

Comments

See Also

References

Micromedex