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Table 5 Side effects as mentioned after treatment

From: Randomised controlled trial of gabapentin in Complex Regional Pain Syndrome type 1 [ISRCTN84121379]

Adverse effect

Gabapentin (N = 54) n (%)

Placebo (N = 51) n(%)

Significance

Dizziness

20 (37.3)

2 (3.9)

P = 0.0000

Somnolence

15 (27.8)

3 (5.9)

P = 0.003

Lethargy

11 (20.4)

1 (2.0)

P = 0.003

Nausea

10 (18.5)

5 (9.8)

n.s.

Headache

8 (14.8)

3 (5.9)

n.s.

Stomach problems

4 (7.4)

3 (5.9)

n.s.

'drunken'

4 (7.4)

0 (0)

n.s.

Disturbed gait

4 (7.4)

0 (0)

n.s.

Water retention

1 (1.9)

3 (5.9)

n.s.

  1. Data on all patients who started treatment and returned for assessment after 3 weeks, with or without completing 3 weeks of treatment. n.s. is 'not significant'