konvulsion (0, 3% over for 0, 5%), synkope (0, 3% over for 0, 3%), amnesi (0, 2% over for 0, 2%), tremor (0, 2% over for 0, 3%), somnolens (0, 7% over for 0, 5%), paræstesi (0, 7% over for 0, 7%), hypæstesi (0, 3% over for 0, 2%), hypersomni (0, 2% over for 0%)
blurred vision (0.7% vs 0%) vertigo (0.2% vs 0.5%)