brinzolamide vs dorzolamide
Side-by-side comparison of brinzolamide and dorzolamide Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Azopt
Trusopt
Azopt eye drops contain brinzolamide, which lowers pressure in the eye. It is used to treat glaucoma and ocular hypertension.
Dorzolamide eye drops help lower pressure in the eye. It is used for people with ocular hypertension or open-angle glaucoma.
Azopt is used to treat high pressure inside the eye. This high pressure can be caused by ocular hypertension or open-angle glaucoma. By lowering the pressure, Azopt helps to prevent damage to the optic nerve and vision loss.
This medicine treats high pressure inside your eye. It is for people who have ocular hypertension or open-angle glaucoma. Dorzolamide helps to lower the pressure and prevent damage to your optic nerve.
Azopt contains brinzolamide, which is a carbonic anhydrase inhibitor. It works by decreasing the production of fluid in the eye. This helps to lower the pressure inside the eye.
Dorzolamide is a type of medicine called a carbonic anhydrase inhibitor. It works by decreasing the amount of fluid your eye makes. This lowers the pressure inside your eye.
- • Blurred vision
- • Bitter, sour, or unusual taste
- • Burning, stinging, or discomfort in the eye right after using the drops
- • Bitter taste in your mouth
- • Superficial punctate keratitis (small spots on the surface of the eye)
- • Signs and symptoms of an allergic reaction in the eye
- The medicine did not work 1,429
- Difficulty breathing 564
- The drug is not working 499
- Feeling lightheaded or unsteady 479
- Pain in the eye 468
- Treatment not working 1,369
- Medicine not effective 704
- Using the medicine for something it's not approved for 475
- Feeling tired 444
- Headache 356
Azopt is a sulfonamide drug, and serious reactions can occur, though rarely. If you have signs of a serious reaction or hypersensitivity, stop using Azopt right away. If you have a low number of cells in the cornea, use Azopt with caution, as corneal edema may occur. Azopt is not recommended if you have severe kidney problems.
Dorzolamide contains a sulfonamide. Rarely, severe reactions to sulfonamides have happened, even death. If you have signs of a serious reaction or allergy, stop using this medicine right away.
It is not known if Azopt can harm an unborn baby. Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
It is not known if dorzolamide is safe to use during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if dorzolamide passes into breast milk.
How to Read This brinzolamide vs dorzolamide Comparison
brinzolamide is classified in the Carbonic Anhydrase Inhibitor (Ophthalmic) drug class, while dorzolamide sits within the Carbonic Anhydrase Inhibitor (Ophthalmic) class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, brinzolamide has 3,439 submissions while dorzolamide has 3,348. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between brinzolamide and dorzolamide — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.