Tiotropium has 1 known drug interaction based on U.S. FDA drug labeling data. 1 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Methacholine Chloride. Patients taking Tiotropium should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 1
- Major
- 1
Major (1)
- Tiotropium + Methacholine Chloride— Inhibits airway response to methacholine chloride; hold for ≥168 hours before testing.