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Hydrogen breath test
Am advised i can eat light breakfast two hoyrs before the test but i know whole night fasting is essential for the test. Which one is correct for correct result? Does hydrogen breath test deosnot require twelve hour fasting or stopping of any kind of mediciens. I have taken a light antibiotic for influenze which ended last friday and my test is tomrrow! Kindly suggest plz
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Yes, overnight fasting is necessary.
You can just take few sips of water or milk, in previous night after dinner.
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Take a glass of milk daily.
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Over night fasting is best
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You should not eat a light breakfast 2 hours before — hydrogen breath tests generally require an overnight fast (≈12 hours) and specific drug washouts
Next Steps
Because you finished antibiotics only a few days ago, reschedule: most expert guidance says wait ~4 weeks after antibiotics for an accurate SIBO/breath test; some labs use 2 weeks but 4 weeks is the conservative, consensus-based recommendation.
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Dr. Shivani B
General Practitioner
Bangalore
Since u hv taken ab so better is do the test after 4 weeks
Nd overnight fast is needed
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Dr. Anuj Mothsra
General Physician
6 yrs exp
Jhunjhunu
Can help you, kindly consult and provide detailed history for proper diagnosis and further management
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Dr. Manoj Kumar
General Physician
10 yrs exp
Dehradun
Need few more details
Kindly consult
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