Table 4.
Adverse effects in the three groups
| Group 1: Placebo N(%) | Group 2: Tramadol N(%) | Group 3: Pregabalin N(%) | |
|---|---|---|---|
| Nausea | 2(8%) | 5(20%) | 1(4%) |
| Vomiting | 3(12%) | 5(20%) | 1(4%) |
| Drowsiness | 1(4%) | 8(32%) | 1(4%) |
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