The most common side effects of tramadol in order of decreasing incidence are: Note: Serious adverse effects are in bold.
Very common (>10% frequency)
Common (1–10% frequency)
Uncommon (0.1-1% incidence) Cardiovascular regulation anomalies (palpitation, tachycardia, postural hypotension or cardiovascular collapse) Retching Gastrointestinal irritation (a feeling of pressure in the stomach, bloating) Urticaria (hives) Trembling Flushing
Rare (0.01–0.1% incidence)
References
