When acanthosis nigricans is caused by obesity, weight management is key. When it is caused by cancer, there may be little that can be done to prevent it until the cancer is successfully treated. Acanthosis nigricans caused by medicine may go away once the medicine is stopped.
A person with acanthosis nigricans may have chafing of the skin. These areas do not become cancerous. The appearance of these chafed spots bothers some people.
Acanthosis nigricans is not catching and poses no risk to others.