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. 2022 Nov 2;2:139. doi: 10.1038/s43856-022-00202-8

Table 2.

Frequency of side effects reported at treatment week 4 with a high-cannabidiol (CBD) study product for anxiety.

Side Effects Patients (n = 14) n (%)
Sleep
    Sleepiness/fatigue 3 (21.4%)
    Sleeping more 2 (14.3%)
    Sleeping less 1 (7.1%)
Energy
    Increased energy* 3 (21.4%)
    More talkative 2 (14.3%)
    Less talkative 1 (7.1%)
Physiologic
    Dry mouth 3 (21.4%)
Cognitive
    Cognitive cloudiness 2 (14.3%)
    Memory problems 1 (7.1%)
    Difficulty concentrating 1 (7.1%)
Gastrointestinal
    Decreased appetite 1 (7.1%)
    Increased appetite* 1 (7.1%)
    Weight gain 1 (7.1%)
    Constipation 1 (7.1%)
Anxiety
    Anxiety 1 (7.1%)
Alcohol use
    Decreased alcohol use 1 (7.1%)
Libido
    Increased libido 1 (7.1%)
Other (write-in)
    Acid reflux* 1 (7.1%)

Unless otherwise noted, all side effects were rated as mild; no side effects were rated as severe.

*One person rated this side effect as moderate.

The following side effects were also queried, but were not endorsed by any patient:

Energy: lassitude, decreased energy, couch lock.

Physiologic: muscle twitching, dizziness, itchy skin, sweating, headache, urinary retention

Cognitive: feeling altered.

Gastrointestinal: nausea, abdominal discomfort, diarrhea, weight loss.

Anxiety: panic.

Alcohol Use: increased alcohol use.

Libido: decreased libido.

Cardiovascular/Respiratory: heart racing/palpitations, respiratory symptoms.

Mood/Psychiatric: apathy, depression, mania, racing thoughts, paranoia.