4 Weeks before your test

• No antibiotics

      (DO NOT STOP any antibiotic treatment without the approval of your treating doctor)

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AT LEAST 1 Week before your test

• STOP Protein Pump Inhibitors (PPI's) (for example: Nexium, Somac, Pariet, Losec)

• STOP Prebiotics and Probiotics

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24 hours before your test

• STOP over the counter antacids (for example: Nexium, Gaviscon, Zantac)

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FAST for 4 hours before your test

• This means strictly NO water or food

• Refrain from smoking

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