What are prediabetes?

Prediabetes means blood glucose is above the usual range but not in the diabetes range. It increases the chance of developing type 2 diabetes and cardiovascular disease, but sustainable changes to weight, food and activity can substantially reduce risk. It usually causes no symptoms.

Can prediabetes go back to the normal range?

Yes. Weight loss where appropriate, regular activity and dietary changes can return glucose to a lower range, although ongoing monitoring remains important.

Do I need medicine for prediabetes?

Lifestyle support is usually first-line. Medicine may be considered for some higher-risk people after individual assessment.

How often should HbA1c be repeated?

Timing depends on the result and your risk factors. The clinician who arranged the test should give a follow-up plan.

Prediabetes: Symptoms, Causes & Treatment

What the result means

Prediabetes is not an inevitable step toward diabetes. HbA1c can be affected by some blood conditions, pregnancy and other factors, so results require context.

Changes that help

Aim for changes you can sustain: more fibre-rich foods, fewer sugary drinks, regular movement, strength activity and gradual weight loss if recommended. Avoid crash diets.

Follow-up

Monitoring identifies whether glucose is improving, stable or entering the diabetes range. Blood pressure, cholesterol and smoking are also important cardiovascular risks.

Common questions about prediabetes

Can prediabetes go back to the normal range?: Yes. Weight loss where appropriate, regular activity and dietary changes can return glucose to a lower range, although ongoing monitoring remains important.
Do I need medicine for prediabetes?: Lifestyle support is usually first-line. Medicine may be considered for some higher-risk people after individual assessment.
How often should HbA1c be repeated?: Timing depends on the result and your risk factors. The clinician who arranged the test should give a follow-up plan.

Sources

How we reviewed this page

Medically reviewed by the HealthAnswers UK doctor review panel

First published: 1 August 2026
Medically reviewed: 1 August 2026
Next review due: 1 August 2029 or sooner if NHS or NICE guidance changes

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