Answer
Long-acting beta₂ agonists or inhaled corticosteroids were not found to alter exposure to tiotropium bromide, although no formal drug interaction studies have been performed.
Sources for this answer
- Tiotropium (Braltus) 10mcg Inhalation PowderTeva UK Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 5Document updated
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