13C Urea Breath Test

Preparation Guide:

To prepare for the test, the patient will need to:

Fast for eight hours prior to the test – no food / water.

Teeth may be brushed but abstain from the use of mouthwash on the morning of the test.

The table below contains a full list of medications the patient must abstain from prior to having the breath test:


Medication Example Time Period off Meds
Triple Therapy – Eradication Therapy 2/3 months
Antibiotics 7 full days
Antacids Gaviscon, Rennie, Andrews, Bisodol, Motilium 3 full days
Proton Pump Inhibitors Nexium, Protium, Zoton, Pariet, Losec/Losamel 7 full days
H2 Blocker Tagamet, Zantac, Ranopine, Pepcid, Pinamet 3 full days

Please download Patient Guide Brochure her: A Patient’s Guide to 13C Urea Breath Test