Rbs 187 good or bad
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random blood sugar 187 mg/dL normal range diabetes
RBS 187 mg/dL - Is It Good or Bad?
Short answer: It is elevated and concerning, but not at the diabetes diagnosis threshold by itself.
Here is what the numbers mean:
Blood Sugar Reference Ranges
| Test | Normal | Pre-diabetes | Diabetes |
|---|---|---|---|
| Random Blood Sugar (RBS) | < 140 mg/dL | 140-199 mg/dL | ≥ 200 mg/dL |
| Fasting Blood Sugar | < 100 mg/dL | 100-125 mg/dL | ≥ 126 mg/dL |
| Post-meal (2hr) | < 140 mg/dL | 140-199 mg/dL | ≥ 200 mg/dL |
Where does 187 fall?
An RBS of 187 mg/dL falls in the "impaired" / pre-diabetic zone (140-199 mg/dL). It is:
- Above normal (normal random BG is typically < 140 mg/dL)
- Below the diabetes diagnosis cutoff of ≥ 200 mg/dL for random glucose
- However, if taken 2 hours after a meal, 187 mg/dL suggests impaired glucose tolerance
Important context
- A single RBS reading alone cannot diagnose or rule out diabetes - timing relative to meals matters greatly
- If you recently ate a carbohydrate-heavy meal, 187 mg/dL may come down; if it was fasting, that is a significant red flag
- The ADA diagnostic criteria require a random glucose ≥ 200 mg/dL with symptoms to diagnose diabetes
- Your doctor will likely recommend a fasting blood glucose test or HbA1c to get a clearer picture
What you should do
- Don't panic - one reading is not a diagnosis
- Note when you last ate - if this was fasting, see a doctor promptly
- Get a fasting blood sugar and HbA1c test - these give more accurate information
- Review lifestyle factors - diet, physical activity, weight, stress all affect blood sugar
Disclaimer: This is general health information, not a medical diagnosis. Please consult your doctor for proper evaluation and advice specific to your situation.
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