Chapter 22: Cancer pain assessment and management
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Complications
Effects such as euphoria, disorientation, sedation, nausea, vomiting, dizziness and generalized tingling are commonly described. These are generally minor and rapidly reversible (BOC [19]).
Inappropriate inhalation of Entonox will ultimately result in unconsciousness, passing through stages of increasing lightheadedness and intoxication. The treatment is moving to fresh air, mouth‐to‐mouth resuscitation and, if necessary, the use of an oxygen resuscitator (BOC [16]).
