Educational · based on National Cancer Institute resources

Symptom checker

Noticing something and not sure what it means? Select what you’re experiencing to find clear, trustworthy information — and guidance on when it’s worth seeing a doctor.

This is not a diagnosis. This tool cannot tell you whether you have cancer or any other condition. Most symptoms are caused by something other than cancer. It simply points you to plain-language information and helps you decide when to talk with a doctor. Only a healthcare professional can evaluate your symptoms.

Which of these are you noticing?

Select any that apply. You can choose more than one.

Select a symptom above to see related information. Remember, this tool is for learning — it does not diagnose.