Overview
Prediabetes is a condition in which the body is starting to have trouble controlling blood sugar. This can happen when the body does not use insulin well or does not make enough insulin to keep blood sugar in the usual range. Prediabetes is not the same as diabetes, but it signals a higher chance of developing type 2 diabetes in the future.
Key Symptoms
Prediabetes often does not cause noticeable symptoms. Some people may have signs linked to insulin resistance, such as darker skin in body folds like the neck or armpits. Because it can be silent, many people only find out after a routine blood test.
Causes and Risk Factors
Prediabetes develops when the body becomes less able to manage glucose effectively. Risk can be higher with excess body weight, especially around the waist, low physical activity, older age, family history of type 2 diabetes, and a history of gestational diabetes. High blood pressure, abnormal cholesterol levels, and certain ethnic backgrounds may also be linked with higher risk.
Who Is Affected
Prediabetes can affect adults of many ages, and it is becoming more common in younger adults and some children with obesity. People with a close family member who has type 2 diabetes may have a higher chance of developing it. Risk patterns vary around the world, but it is a common global health issue.
Prevention
Prediabetes may sometimes be prevented or delayed through regular physical activity, balanced eating, weight management, and good sleep habits. Avoiding tobacco and limiting highly processed foods and sugary drinks may also help overall metabolic health. Regular checkups can help find problems early, especially if you have risk factors.
Diagnosis and Tests
Prediabetes is diagnosed with blood tests, not by symptoms alone. A healthcare professional may use fasting blood glucose, an A1C test, or an oral glucose tolerance test. If you have risk factors, ask whether screening is appropriate for you.
Treatment Categories
Treatment usually focuses on lifestyle changes that improve blood sugar control and lower future risk. This may include support for eating habits, physical activity, weight loss if advised, and treatment of related conditions such as high blood pressure or cholesterol problems. In some cases, a healthcare professional may discuss medicine, depending on a person's overall risk and medical history.
Living With It
Living with prediabetes means paying attention to long-term health, even if you feel well. Many people find it helpful to track goals such as activity, meals, sleep, and follow-up appointments. Small, steady changes are often easier to maintain than strict short-term plans.
Diet and Lifestyle
A helpful eating pattern usually includes vegetables, fruits, beans, whole grains, nuts, and lean protein, while limiting sugary drinks and highly refined foods. Regular movement, such as walking or other enjoyable activity, can support blood sugar control. If you drink alcohol, discuss with a healthcare professional how it may affect your health goals.
When to Seek Medical Care
Make a routine medical appointment if you have risk factors for diabetes or if a screening test suggests prediabetes. Seek care sooner if you notice increased thirst, frequent urination, unexplained weight loss, blurry vision, or unusual tiredness, because these can be signs of diabetes rather than prediabetes. Regular follow-up is important to monitor changes over time.