Published by Bupa's health information team, November 2008.
This section contains answers to common questions about this topic. Questions have been suggested by health professionals, website feedback and requests via email.
No. Actinic keratoses aren't infectious.
Actinic keratoses develop when skin cells are damaged by lots of exposure to the ultraviolet radiation from the sun. You can't catch actinic keratoses from another person.
No. However, certain factors that make actinic keratoses more likely can be inherited.
You are more likely to develop actinic keratoses if you have fair skin, or if you burn easily without getting a tan. This depends upon your skin type, and you inherit this from your parents.
It's impossible to tell whether actinic keratoses will become cancerous. But once successfully treated the risk of cancer is removed. Using sun block will help reduce your chances of developing more actinic keratoses, and lower your risk of skin cancer.
Sometimes actinic keratoses will disappear on their own and don't need treatment. Your GP will decide the best way of treating your actinic keratoses.
If you notice an actinic keratoses become lumpy, itchy or tender, or if it ulcerates or bleeds, see your GP or dermatologist. This may indicate a change into a cancer.
This information was published by Bupa's health information team and is based on reputable sources of medical evidence. It has been peer reviewed by Bupa doctors. The content is intended for general information only and does not replace the need for personal advice from a qualified health professional.
Publication date: November 2008
Visit the actinic keratoses health factsheet for more information.