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How to prepare for the Hydrogen Breath Test?

Quick Summary

  • Available Locations: Debrecen (Bethlen str., Rákóczi str.), Miskolc, Jászberény.
  • Appointment Needed? Yes, booking is mandatory!
  • Duration: The test takes approximately 2 hours.

Timeline of Preparation

2-4 Weeks Before the Test
Ensure that you have not taken any antibiotics or probiotics in the 2-4 weeks prior to the test! These are strictly forbidden during this period.
1 Week Before – DO NOT Take:
  • Anti-diarrheal medication or laxatives
  • Vitamins, fructose-flavored products, or lactose-containing supplements
  • Fiber dietary supplements
  • H2-receptor blockers, antacids (acid reflux medication)
3 Days Before (Strict Diet)
A strict diet must be followed for at least three days before the test! If you are uncertain about a specific food, it is better to avoid it to ensure accurate results.
FORBIDDEN FOODS:
  • Grains and grain products, brown bread, high-fiber pastries, whole-wheat crackers, muesli
  • Milk and dairy products
  • Carbonated drinks, fruit juices, alcoholic beverages
  • Vegetables and Fruits
  • Nuts, seeds, legumes
  • High-fructose corn syrup, sugar-free foods
  • Ketchup, honey, mustard, mayonnaise
 ALLOWED FOODS:
  • Roasted or grilled chicken, turkey, or fish (lightly salted)
  • Lactose-free cold cuts
  • White flour products (white bread, plain rolls, buns)
  • Plain, steamed rice
  • Boiled eggs
  • Non-carbonated water
12 Hours Before and on the Day of the Test
  • 12-Hour Fasting: You must fast strictly for at least 12 hours before the test! Do not consume anything except non-carbonated water.
  • Medication: Do not take any medication on the day before or the morning of the test! Please follow medical guidelines and consult with your treating physician.

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