---
title: "Type 2 diabetes: symptoms, causes & treatment"
description: "Type 2 diabetes means blood sugar stays too high — often linked to weight, diet and inactivity."
url: "https://www.sanarahealth.co.uk/conditions/type-2-diabetes/"
source: "Sanara Health"
licence: "Quote with attribution and a link to the url above."
---
# Type 2 diabetes: symptoms, causes & treatment

Type 2 diabetes means blood sugar stays too high — often linked to weight, diet and inactivity. Many people are diagnosed after routine blood tests; early management prevents complications.

Editorial information by **Kaiser Khan**. Not clinically reviewed.

## Symptoms

- Increased thirst and urination
- Tiredness
- Blurred vision
- Slow-healing cuts
- Often no symptoms early on

## Why it happens

Insulin resistance and reduced insulin production — strongly associated with obesity, family history, ethnicity and age. Not caused by eating sugar alone.

## Treatment

NHS care is first-line for diagnosis and ongoing diabetes management. Private online clinics may support weight management where appropriate — diabetes medicines require GP or specialist oversight.

## Self-care that helps

Weight loss where indicated, balanced diet, regular activity, and attend NHS diabetic screening if diagnosed.

## When to get help

Suspected diabetes needs blood tests — do not self-diagnose. Chest pain, confusion or very high blood sugar are emergencies.

[See our type 2 diabetes support →](https://www.sanarahealth.co.uk/medicines/weight-loss/)

Go deeper

## Related guides

[Type 2 diabetes UK: symptoms, tests and weight management — Type 2 diabetes symptoms, diagnosis and management in the UK — blood sugar tests, NHS care, weight management and when online clinics can help.](https://www.sanarahealth.co.uk/guides/type-2-diabetes-uk-guide/)

Available without prescription

## Products that can help

[Weight support — Glucomannan fibre](https://www.sanarahealth.co.uk/supplements/glucomannan-fibre/)

[Weight support — Protein and meal shakes](https://www.sanarahealth.co.uk/supplements/protein-meal-shake/)