Is Fasting blood sugar 250 high, normal or dangerous? What does Glucose fasting level 250 mean?

📅 Medical Review Date: May 22, 2026

Your Fasting blood sugar level of 250 is a High Fasting blood sugar level.

A fasting blood sugar level of 250 mg/dL usually means the body is not using insulin properly. It suggests diabetes or prediabetes. High levels of fasting blood sugar can cause increased thirst, frequent urination, fatigue, blurred vision, dry mouth, slow-healing wounds, and recurrent infections. This can be caused by type 1 diabetes, type 2 diabetes, stress, or certain medications. Further tests are often needed to identify the cause and guide appropriate treatment.

High Fasting blood sugar levels may indicate underlying health problems. The normal range is typically between 74 mg/dL and 99 mg/dL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Fasting blood sugar range for men is :74 - 99 mg/dL

Ideal values of Fasting blood sugar depending on age (male) :

Age	Ideal Fasting blood sugar value
<5 years	75.85
5-10 years	77.746
10-15 years	79.69
15-20 years	81.682
20-25 years	83.724
25-30 years	85.817
30-35 years	87.962
35-40 years	90.161
40-45 years	92.415
45-50 years	94.725
50-55 years	97.093
55-60 years	97.032
60-70 years	96.972
70-80 years	96.911
80-90 years	96.851
90-100 years	96.79
>100 years	96.73

*Ideal values are calculated based on our database of patient records

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Long-term complications of diabetes develop gradually. The longer you have diabetes the higher the risk of complications. Eventually, diabetes complications may be disabling or even life-threatening. Possible complications include:

• Kidney damage
• Eye damage
• Foot damage
• Alzheimer's disease
• Heart and blood vessel disease

You can learn techniques to reduce high Fasting blood sugar levels by reading this 100 page eBook. This book is written by a patient himself and reviewed by the doctors of Medchunk. Read eBook here.

Normal range of Fasting blood sugar found among women :74-99 mg/dL

Ideal values of Fasting blood sugar depending on age (female) :

Age	Ideal Fasting blood sugar value
<5 years	75.906
5-10 years	77.861
10-15 years	79.866
15-20 years	81.923
20-25 years	84.033
25-30 years	86.197
30-35 years	88.417
35-40 years	90.694
40-45 years	93.029
45-50 years	95.424
50-55 years	97.881
55-60 years	97.816
60-70 years	97.751
70-80 years	97.686
80-90 years	97.621
90-100 years	97.557
>100 years	97.492

If you take a Fasting blood sugar blood test and the results are not in the normal range (74-99 mg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Fasting blood sugar Test Is Done :

When your doctor orders a Fasting blood sugar test, it involves a straightforward blood draw to measure your Fasting blood sugar levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Fasting blood sugar test results are usually available within a few hours.

Medical References

• Cleveland Clinic – Fasting Blood Sugar: Testing, Levels & What They Mean
• MedlinePlus – Blood Glucose Test
• NIH – The A1C Test & Diabetes

Fasting blood sugar treatment - Click to read 10 GOLDEN ARTICLES on Diabetes