Welcome @cvgn7, This is a question you really should ask your eye doctor. Members on Connect can share their experience but we are patients like yourself and not able to provide medical advice. Here is some information on the side effects but I would still discuss the question with my doctor first.

-- Dorzolamide/timolol ophthalmic Interactions: https://www.drugs.com/drug-interactions/dorzolamide-timolol-ophthalmic.html

Are you able to call your doctor or talk with your pharmacist?