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Medical Marijuana

Reviewed 06/2020
 


BASICS

Medical marijuana refers to the use of cannabis or cannabinoids as medical therapy to treat disease or alleviate symptoms. 

DESCRIPTION

  • Marijuana contains >100 phytocannabinoids.

  • The most activ...

DIAGNOSIS

Diagnosis relies on careful history taking, collateral information from family and friends, as well as drug screening. 

DIAGNOSTIC TESTS & INTERPRETATION

THC is lipophilic, thus can be det...

TREATMENT

In order to qualify for medical marijuana in states where it is legal, patients have to fail first- and second-line therapies, including an FDA-approved cannabinoid, and cannot have a substa...

ONGOING CARE

  • Side effects

    • Dizziness, dry mouth, nausea, vomiting, fatigue, somnolence, disorientation, drowsiness, confusion, loss of balance, and hallucination

    • Acute psychological effects include eupho...

REFERENCES

1
Moeller KE, Kissack JC, Atayee RS, et al. Clinical interpretation of urine drugs tests. Mayo Clin Proc.  2017;92(5):774–796.
2
Whiting PF, Wolff RF, Deshpande S, et al. Cannabinoids for...

ADDITIONAL READING

  • Donnelly J, Young M. The legalization of medical/recreational marijuana: implications for school health drug education programs. J Sch Health.  2018;88(9):693–698.

  • Hasin DS. US ...

CODES

ICD10

F12.90 Cannabis use, unspecified, uncomplicated 

SNOMED

723949005 Cannabis therapy 

CLINICAL PEARLS

  • There is scant robust clinical evidence supporting benefits of medical marijuana, and little to no evidence that alternate formulations have increased benefits compared to FDA-approved...

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