Health · Fitness & Nutrition · 3 hrs ago
A blood sugar reading of 278 mg/dL is high and should be rechecked
A blood sugar reading of 278 mg/dL is high, but one test alone does not show the full picture.
The reading may be affected by meals, medication, illness, stress, activity or dehydration.
Wash and dry your hands, then repeat the test with a fresh strip if possible.
If it is still high, drink water unless a doctor has told you to limit fluids, avoid sugary food and drinks, and monitor your glucose as advised.
Do not take extra diabetes medicine or insulin unless you have a specific correction plan from a healthcare professional.
Severe thirst, vomiting, abdominal pain, confusion, unusual sleepiness or difficulty breathing can signal a need for urgent medical care.
If high readings keep happening, contact your doctor to review your glucose patterns, treatment and possible causes.
A blood sugar reading of 278 mg/dL is significantly high and should be rechecked, Dr Aarti Ullal says.
She advises washing and drying the hands before repeating the test with a fresh strip if possible.
If the reading is confirmed, she recommends drinking water unless a doctor has advised limiting fluids, avoiding sugary food and drinks, and monitoring glucose as advised.
People should contact a doctor promptly if the reading remains very high or symptoms develop.
Confusion, unusual sleepiness or inability to keep fluids down calls for urgent medical care.
- Who
- Dr Aarti Ullal, a physician and diabetologist at Gleneagles Hospital Parel, gave the advice.
- What
- She said a reading of 278 mg/dL is significantly high and should be rechecked.
- When
- The article was published on 12 October 2026.
- Where
- The question was posted on Quora; Ullal is based at Gleneagles Hospital Parel.
- Why
- An internet user asked what to do after a blood sugar reading of 278 mg/dL.
This story does not have two clearly opposing sides.
A blood sugar level of 278 mg/dL is significantly high and indicates hyperglycaemia.
Confirm the reading by washing and drying the hands and repeating the test with a fresh strip if possible
If the reading remains very high or symptoms develop, contact a doctor promptly.
Taking additional medication without guidance can cause blood sugar to fall too low.
This story does not have a timeline yet.
- Reading
- 278 mg/dL
- Advice source
- Dr Aarti Ullal, physician and diabetologist
- Hospital
- Gleneagles Hospital Parel
- Publication date
- 12 October 2026
Sources
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