Answer
Corticosteroids, systemic anticholinergics, antihistamines, sympathomimetics, pethidine and tricyclic antidepressants may oppose its miotic effect, although this is not clinically proven for every combination.
Sources for this answer
- Minims Pilocarpine Nitrate 2% w/v, Eye drops solution — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.