Answer
Cyclopentolate hydrochloride may increase oxybutynin’s anticholinergic effects, because systemic cyclopentolate effects cannot be excluded even when it is applied topically to the eye.
Sources for this answer
- Minims Cyclopentolate Hydrochloride 0.5% and 1%, Eye drops solutionBausch & Lomb U.K Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 10Document updated
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