Study	Reason for exclusion
Aizikov 1985	ALLOCATION No mention of how subjects were assigned to treatment conditions
Bar 2009	ALLOCATION No control group present
Bodo 1982	ALLOCATION Not randomised
Brand 1967	ALLOCATION Cross‐over design was used
Brand 1969	ALLOCATION Cross‐over design was used
Cipriani 1987	ALLOCATION Randomised PARTICIPANTS Included patients with peripheral vestibular vertigo, not motion sickness
Cirillo 1986	ALLOCATION Not randomised
Estrada 2007	ALLOCATION Cross‐over design was used
Galle 1988	ALLOCATION No mention of how subjects were assigned to treatment conditions
Glaznikov 1992	ALLOCATION No mention of how subjects were assigned to treatment conditions PARTICIPANTS Included participants with lowered vestibule‐vegetative equilibrium
Gordon 2001	ALLOCATION Cross‐over design was used
Gowans 2000	ALLOCATION Cross‐over design was used
Hordinsky 1982	ALLOCATION Cross‐over design was used
Howland 2006	ALLOCATION Cross‐over design was used
Ilyina 1986	ALLOCATION No mention of how subjects were assigned to treatment conditions
Klocker 2001	ALLOCATION Cross‐over design was used
Nobel 2010	OUTCOMES Did not assess motion sickness outcomes
Norfleet 1992	ALLOCATION Cross‐over design was used
Pyyko 1984	ALLOCATION Cross‐over design was used
Sabato 1987	ALLOCATION No control group present
Simmons 2010	ALLOCATION Cross‐over design was used
Vigliano 1986	ALLOCATION No mention of how subjects were assigned to treatment conditions
Vigliano 1987	ALLOCATION No mention of how subjects were assigned to treatment conditions
Wang 1990	ALLOCATION No mention of how subjects were assigned to treatment conditions
Wolf 1987	ALLOCATION Not randomised