Table 3

 Frequency of minor adverse events

Adverse eventΔ9-THCCannabis extractPlacebo
CM (n = 125)DM (n = 91)CM (n = 138)DM (n = 81)CM (n = 120)DM (n = 102)
CM, chose to continue medication; DM, chose to discontinue medication.
Bladder26 (16)9 (6)37 (24)3 (3)42 (22)12 (11)
Depression or anxiety11 (9)3 (3)11 (11)3 (3)10 (10)2 (2)
Dizziness or lightheadedness19 (17)1 (1)27 (20)1 (1)5 (4)1 (1)
Dry mouth3 (3)1 (1)2 (2)0 (0)1 (1)1 (1)
Falls10 (7)1 (1)10 (10)5 (5)4 (3)4 (4)
Fatigue or sleep disturbance15 (14)3 (3)15 (15)3 (3)14 (13)10 (8)
Gastrointestinal tract22 (17)3 (3)30 (24)2 (2)14 (11)5 (5)
Infection17 (14)7 (5)26 (19)7 (5)20 (17)10 (7)
Memory or concentration5 (5)0 (0)5 (4)0 (0)1 (1)1 (1)
Miscellaneous17 (13)3 (3)15 (11)9 (5)13 (11)6 (5)
MS relapse or exacerbation11 (9)2 (2)13 (10)4 (4)9 (9)5 (5)
Numbness or paraesthesia9 (8)2 (2)5 (4)5 (5)5 (5)3 (3)
Other skin problem3 (3)0 (0)7 (7)5 (4)10 (8)6 (5)
Pain24 (18)5 (3)36 (26)15 (11)20 (14)9 (9)
Pressure sores1 (1)0 (0)2 (2)1 (1)5 (5)1 (1)
Spasms or stiffness30 (26)6 (5)35 (23)10 (9)36 (23)7 (7)
Tremor or lack of coordination9 (9)1 (1)4 (4)1 (1)2 (2)3 (3)
Vision symptoms4 (4)1 (1)1 (1)4 (4)1 (1)0 (0)
Weakness or reduced mobility16 (15)9 (7)20 (19)11 (7)24 (22)15 (13)
Total252 (87)57 (22)301 (95)89 (30)236 (85)100 (42)