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Cannabis Adverse Events Reported to the FDA Over Time

How are Cannabis adverse event reports trending over time?

This graph shows volume of adverse events submitted to the FDA by quarter for Cannabis, as well as related generic and/or brandname drugs containing the same primary active ingredients. Adverse events are counted if Cannabis is flagged as the suspect drug causing the adverse event.

Most Common Cannabis Adverse Events Reported to the FDA

What are the most common Cannabis adverse events reported to the FDA?

Drug Abuser
111 (4.71%)
Substance Abuse
57 (2.42%)
Drug Abuse
41 (1.74%)
Overdose
40 (1.7%)
Cardiac Arrest
35 (1.48%)
Drug Interaction
33 (1.4%)
Somnolence
32 (1.36%)
Multiple Drug Overdose
31 (1.31%)
Aggression
30 (1.27%)
Agitation
30 (1.27%)
Respiratory Arrest
29 (1.23%)
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Coma
26 (1.1%)
Drug Toxicity
26 (1.1%)
Drug Screen Positive
25 (1.06%)
Drug Dependence
22 (.93%)
Intentional Drug Misuse
21 (.89%)
Accidental Overdose
19 (.81%)
Drug Exposure During Pregnancy
19 (.81%)
Drug Withdrawal Syndrome Neonatal
19 (.81%)
Suicide Attempt
19 (.81%)
Aspartate Aminotransferase Increase...
18 (.76%)
Vomiting
18 (.76%)
Completed Suicide
17 (.72%)
Loss Of Consciousness
17 (.72%)
Drug Withdrawal Syndrome
16 (.68%)
Pain
16 (.68%)
Abnormal Behaviour
15 (.64%)
Depression
15 (.64%)
Cardio-respiratory Arrest
14 (.59%)
Electrocardiogram Qt Prolonged
14 (.59%)
Psychotic Disorder
14 (.59%)
Suicidal Ideation
14 (.59%)
Alanine Aminotransferase Increased
13 (.55%)
Confusional State
13 (.55%)
Depressed Level Of Consciousness
13 (.55%)
Hallucination
13 (.55%)
Heart Rate Increased
13 (.55%)
Tachycardia
13 (.55%)
Nystagmus
12 (.51%)
Tremor
12 (.51%)
Headache
11 (.47%)
Hypokalaemia
11 (.47%)
Hypotension
11 (.47%)
Insomnia
11 (.47%)
Road Traffic Accident
11 (.47%)
Electrocardiogram St Segment Abnorm...
10 (.42%)
Feeling Abnormal
10 (.42%)
Hyperhidrosis
10 (.42%)
Liver Function Test Abnormal
10 (.42%)
Multiple Drug Overdose Intentional
10 (.42%)
Abdominal Pain
9 (.38%)
Anxiety
9 (.38%)
Blood Glucose Increased
9 (.38%)
Blood Ph Decreased
9 (.38%)
Convulsion
9 (.38%)
Hypertension
9 (.38%)
Memory Impairment
9 (.38%)
Nausea
9 (.38%)
Self-injurious Ideation
9 (.38%)
Syncope
9 (.38%)
Akathisia
8 (.34%)
Condition Aggravated
8 (.34%)
Developmental Delay
8 (.34%)
Miosis
8 (.34%)
Multiple Drug Overdose Accidental
8 (.34%)
Respiratory Rate Increased
8 (.34%)
Sudden Death
8 (.34%)
Accidental Death
7 (.3%)
Aspiration
7 (.3%)
Delusion
7 (.3%)
Euphoric Mood
7 (.3%)
Fall
7 (.3%)
Intentional Overdose
7 (.3%)
Poisoning
7 (.3%)
Pulmonary Oedema
7 (.3%)
Pyrexia
7 (.3%)
Refusal Of Treatment By Patient
7 (.3%)
Strabismus
7 (.3%)
Alcohol Poisoning
6 (.25%)
Apnoea
6 (.25%)
Blood Creatine Phosphokinase Increa...
6 (.25%)
Blood Creatinine Increased
6 (.25%)
Delirium
6 (.25%)
Depressed Mood
6 (.25%)
Drug Ineffective
6 (.25%)
Dyspnoea
6 (.25%)
Hypoxia
6 (.25%)
Maternal Drugs Affecting Foetus
6 (.25%)
Muscle Spasms
6 (.25%)
Mydriasis
6 (.25%)
Neuroleptic Malignant Syndrome
6 (.25%)
Oxygen Saturation Decreased
6 (.25%)
Treatment Noncompliance
6 (.25%)
Alcohol Use
5 (.21%)
Attention-seeking Behaviour
5 (.21%)
Blood Calcium Decreased
5 (.21%)
Body Temperature Increased
5 (.21%)
Brain Oedema
5 (.21%)
Congenital Nystagmus
5 (.21%)
Congenital Visual Acuity Reduced
5 (.21%)
Disturbance In Attention
5 (.21%)

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This graph shows the top adverse events submitted to the FDA for Cannabis, as well as related generic and/or brandname drugs containing the same primary active ingredients, from Q1 2004 to Q3 2012. Adverse events are counted if Cannabis is flagged as a suspect drug causing the adverse event. For each adverse event listed, percent (%) represents percentage of the adverse event to all adverse events reported for the drug. Percent does not represent a rate related to drug utilization.

Adverse Event Categories for Cannabis

What are the most common Cannabis adverse events reported to the FDA?

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This graph shows the top categories of adverse events submitted to the FDA for Cannabis, as well as related generic and/or brandname drugs containing the same primary active ingredients, from Q1 2004 to Q3 2012. Adverse events are counted if Cannabis is flagged as a suspect drug causing the adverse event. For each adverse event listed, percent (%) represents percentage of the adverse event to all adverse events reported for the drug. Percent does not represent a rate related to drug utilization.

Common Uses of Cannabis According to Those Reporting Adverse Events

Why are people taking Cannabis, according to those reporting adverse events to the FDA?

Drug Use For Unknown Indication
97
Product Used For Unknown Indication
91
Drug Abuse
32
Drug Abuser
27
Pain
20
Ill-defined Disorder
9
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Drug Exposure During Pregnancy
6
Substance Abuse
6
Intentional Drug Misuse
5
Depression
4
Convulsion Prophylaxis
3
Anxiety
3
Drug Dependence
2
Nausea
2
Marital Problem
2
Musculoskeletal Pain
1
Osteochondrosis
1
Arthropathy
1
Respiratory Distress
1
Maternal Exposure Timing Unspecifie...
1
Weight Decreased
1
Neuralgia
1
Pain Management
1
Muscle Tightness
1
Psoriatic Arthropathy
1
Decreased Appetite
1
Muscle Spasms
1
Arthralgia
1
Drug Diversion
1
Suicide Attempt
1

Cannabis Case Reports

What Cannabis safety concerns are being reported by doctors and researchers in the medical literature?

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About Results

This report contains aggregated drug side effects and adverse events for Cannabis. The data has been pulled from the United States Food and Drug Administration's (US FDA) Adverse Event Reporting System (AERS), a database containing more than 4,000,000 adverse event reports.

DrugCite expands your query using the Unified Medical Language System (UMLS) to include generic drugs and primary active ingredients. While the core of DrugCite's advanced drug filtering algorithm is based on the industry standard UMLS, DrugCite's proprietary filtering system also includes dozens of additional steps to reconcile malformed drug names in the FDA's data.

DrugCite only counts a drug if the submitter of the adverse event indicates that the drug is suspected to have caused the adverse event.

Depending on how the data is aggregated, different counts may occur. When someone submits an adverse event to the FDA, the submitter can attribute multiple adverse events to one or more drugs. For example, an individual taking Paxil could submit the adverse events "anxiety" and "suicidal ideation" for the same individual safety report (ISR). This means when DrugCite aggregates by adverse event, two distinct adverse events are counted in the adverse event graph; once for "anxiety" and again for "suicidal ideation". However, when DrugCite aggregates by individual safety reports irrespective of the details of the adverse events contained within the safety report, the report is only counted once.

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