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Table 4 Distribution of the first onset date of adverse effects from the start of pregabalin medication

From: Opioid analgesics increase incidence of somnolence and dizziness as adverse effects of pregabalin: a retrospective study

First onset date of adverse effects

N (% of adverse effect developed patients)

≤2 weeks

46 (73.0 %)

>2 weeks–≤1 month

9 (14.3 %)

>1 month–≤2 months

1 (1.6 %)

>2 months

7 (11.1 %)