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What's the Difference Between a Treatment and a Cure?

Reviewed by: Steven Dowshen, MD
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My health teacher told me that hepatitis B has no cure, but your article states that it is treated. What's that all about?
– Dan*

The term "cure" means that, after medical treatment, the patient no longer has that particular condition anymore.

Some diseases can be cured. Others, like hepatitis B, have no cure. The person will always have the condition, but medical treatments can help to manage the disease.

Medical professionals use medicine, therapy, surgery, and other treatments to help lessen the symptoms and effects of a disease. Sometimes these treatments are cures — in other words, they get rid of the disease. For example, doctors treat athlete's foot using antifungal creams, powders, or sprays that kill the fungus causing the disease.

When a disease can't be cured, doctors often use treatments to help control it. For example, one type of diabetes happens when the pancreas does not make enough insulin to get glucose into cells where it's needed. Doctors treat people with diabetes using insulin injections and other methods so they can continue to live normal lives. But right now there's no cure for diabetes. So some people need insulin treatments for the rest of their lives.

The good news is that researchers are constantly coming up with advances in medicine. So it's possible that a disease that can be treated but not cured today may be cured in the future.

*Names are changed to protect user privacy.

Reviewed by: Steven Dowshen, MD
Date reviewed: May 2018