Scopolamine (hyoscine) for preventing and treating motionsickness
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Background Motion sickness - the discomfort experienced when perceived motion disturbs the organs of balance - may include symptoms such as nausea, vomiting, pallor, cold sweats, hypersalivation, hyperventilation and headaches. The control and prevention of these symptoms have included pharmacological, behavioural and complementary therapies. Although scopolamine (hyoscine) has been used in the treatment and prevention of motion sickness for decades, there have been no systematic reviews of its effectiveness. Objectives To assess the effectiveness of scopolamine versus no therapy, placebo, other drugs, behavioural and complementary therapy or two or more of the above therapies in combination for motion sickness in persons (both adults and children) without known vestibular, visual or central nervous system pathology. Search strategy The Cochrane Ear, Nose and Throat Disorders Group Specialised Register, the Cochrane Central Register of Controlled Trials (The Cochrane Library, Issue 2, 2007), MEDLINE (OVID, 1966 to May 2007), EMBASE (1974 to May 2007) CINAHL (OVID, 1982 to May 2007) and reference lists of retrieved studies were searched for relevant studies. No language restrictions were applied. The date of the last search was May 2007. Selection criteria All parallel-arm, randomised controlled trials (RCTs) focusing on scopolamine versus no therapy, placebo, other drugs, behavioural and complementary therapy or two or more of the above therapies in combination were included. Outcomes relating to the prevention of onset or treatment of clinically-defined motion sickness, task ability and psychological tests, changes in physiological parameters and adverse effects were considered. Data collection and analysis Data from the studies were extracted independently by two authors using standardised forms. Study quality was assessed. Dichotomous data were expressed as odds ratio (OR) and a pooled OR was calculated using the random-effects model.
Cochrane Database of Systematic Reviews
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