Disclosed is a toilet chair (1) comprising a chair back (2) including a head part (3) and a bottom part (4) and a seat (5) comprising a front part (6) and a rear part (8), wherein the seat (5) further comprises a toilet opening (7) through which a user may go to the toilet. The bottom part (4) and the rear part (8) are arranged next to each other and the bottom part (4) is arranged to be displaceable outwards in a direction towards the front of the chair (1) independently of the head part (3) and the rear part (8) is arranged to be displaceable upwards in a direction towards the front of the chair (1) independently of the front part (6). Methods for aiding a person in getting undressed or dressed by means of a toiletchair (1) and use of a toilet chair (1) is also disclosed.