Influencing Side-Effects to Medicinal Treatments: A Systematic Review of Brief Psychological Interventions.

( 26 ) found a slight trend for priming patients by assessing their expectancies for side-effects vs. no assessment on subsequent nausea.

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( 29 ) deceptively told seasonal affective disorder patients that they would receive an active placebo which would produce similar side-effects to escitalopram when in fact they received the active drug itself and found this showed a trend in decreasing reported side-effects compared to a control group who were correctly informed.

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