Answer
It can tighten bronchial smooth muscle and increase airway secretions. Uncontrolled asthma contraindicates oral treatment, while controlled asthma or COPD requires careful clinical assessment; eye drops can also be systemically absorbed.
Sources for this answer
- Pilocarpine Eye Drops BP 1.0% w/vemc · SmPC Current selected SmPC · Version 2
- Salagen 5 mg Film Coated Tablets