Ikke almindelige (mindre end 1 for hver 100 patienter, men mere end 1 for hver 1. 000 patienter): søvnbesvær, ændringer i leverfunktionstests og fald ved uheld.
Uncommon (less than 1 in 100 patients but more than 1 in 1,000 patients): difficulty in sleeping, changes in liver function tests and accidental falls.