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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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Take a glass of milk daily.
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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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