Lactose Breath Hydrogen Test

From Anvita Health Wiki

Contents 1 Indications 2 Procedure 3 Interpretation 4 More General Terms 5 Additional Terms 6 References

Indications

• suspected lactose intolerance

Procedure

• 50 g of labeled lactose is given orally
• 90 minutes later, breath hydrogen is measured

Interpretation

• an increase in breath hydrogen > 20 ppm within 90 minutes of lactose ingestion confirms lactose indigestion

More General Terms

• clinical procedure

Additional Terms

• lactose intolerance (milk intolerance)

References

Ferri's Clinical Advisor, Instant Diagnosis and Treatment, Ferri FF (ed), Mosby, Philadelphia, 2003

lactose breath hydrogen test