During her fifth year of study in Zürich she worked as an assistant to Professor Edward Hitzig (a German neurologist and psychiatrist) in the Institute for the Mentally Ill.[3] After obtaining her medical degree she worked in Berlin and Vienna for a short time.

[3] However, she was not allowed to pass the state exam, which would have given her the right to practice medicine in Poland, and she was refused as a member of the Polish Society of Medicine because she was a woman.

[3] This allowed her to practice women's health and pediatric medicine within the Polish Kingdom and Russia.

[3] In 1882 an epidemic of infection during childbirth broke out in Warsaw, and a few maternity shelters were opened; shelter number 2 (on Prosta Street) was given to Anna to lead, and she led it until 1911.

[1] Anna Tomaszewicz Dobrska: A Leaf from Polish Medical History by Zbigniew Filar.