About this information
This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.
Cautions with other medicines
There are some medicines that do not mix well with brinzolamide and can affect how well it works.
Tell a doctor or pharmacist before you start using brinzolamide if you're taking:
- other eye drops that work in a similar way to brinzolamide, such as acetazolamide or dorzolamide
- antifungals such as itraconazole or clotrimazole
- ritonavir (an antiviral medicine)
- metformin (a medicine used for diabetes)
View the original NHS website page ↗. Refreshed 19 August 2026.
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