Ikke almindelige bivirkninger (mindre end 1 for hver 100 patienter, men mere end 1 for hver 1. 000 patienter): problemer med hjerterytmen (langsom hjerterytme) og mavesår; meget sjældne (mindre end 1 for hver 10. 000 patienter): stivhed i arme eller ben samt rystende hænder.
Uncommon side effects (less than 1 in 100 patients but more than 1 in 1,000 patients): problems with heart rhythm (slow heart beat) and gastric ulcer; very rare (less than 1 in 10,000 patients): stiff limbs and trembling hands.