aflibercept vs dorzolamide/timolol
Side-by-side comparison of aflibercept and dorzolamide/timolol Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Eylea
Cosopt
AHZANTIVE is a medicine used to treat certain eye problems. It helps to stop blood vessels from growing and leaking in the eye.
Cosopt is an eye drop that lowers pressure inside the eye. It combines two medicines to treat glaucoma and high eye pressure.
AHZANTIVE treats wet age-related macular degeneration (AMD). It also treats swelling in the macula (the central part of the retina) caused by retinal vein occlusion (RVO) or diabetic macular edema (DME). Additionally, it can treat diabetic retinopathy (DR), an eye disease caused by diabetes.
Cosopt is used to lower high pressure in your eyes. It treats open-angle glaucoma and ocular hypertension. These conditions can damage the optic nerve and cause vision loss. Cosopt is for people who haven't responded well to beta-blocker eye drops alone.
AHZANTIVE is a VEGF inhibitor. VEGF is a protein that promotes the growth of new blood vessels. By blocking VEGF, AHZANTIVE helps to reduce the growth of abnormal blood vessels in the eye and decrease leakage.
Cosopt has two medicines. Dorzolamide lowers eye pressure by reducing fluid production in the eye. Timolol lowers eye pressure by blocking certain receptors in the eye.
- • Bleeding in the eye
- • Eye pain
- • Clouding of the lens of the eye (cataract)
- • Separation of the vitreous gel from the retina
- • Spots in your vision
- • Bitter, sour, or unusual taste
- • Eye burning or stinging
- • Redness of the eye
- • Blurred vision
- • Superficial punctate keratitis (small spots on the cornea)
- Death 7,853
- Trouble seeing 2,013
- Using the medicine for something it's not approved for 1,509
- Loss of sight 1,459
- Eye infection 1,372
- Treatment not working 1,369
- Medicine not effective 704
- Using medicine for unapproved purpose 475
- Tiredness 444
- Headache 356
Injections with AHZANTIVE may cause serious eye infections (endophthalmitis), separation of the retina (retinal detachment), and inflammation of blood vessels in the retina. Tell your doctor right away if you have any signs of these problems. AHZANTIVE may also increase the risk of blood clots that can cause stroke or heart attack.
Cosopt contains timolol, which can cause breathing problems like asthma. If you have asthma or severe lung disease, you should not use Cosopt. Cosopt can also cause heart problems, including heart failure. If you have heart problems, talk to your doctor before using Cosopt. Cosopt contains dorzolamide, a sulfonamide. Rarely, severe reactions to sulfonamides, including fatal reactions, have occurred. If you have a sulfonamide allergy, you should not use Cosopt.
It is not known if AHZANTIVE can harm an unborn baby. AHZANTIVE should be used during pregnancy only if the benefit justifies the risk. It is also not known if AHZANTIVE passes into breast milk.
It is not known if Cosopt will harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if Cosopt passes into breast milk. Talk to your doctor about the best way to feed your baby if you use Cosopt.
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How to Read This aflibercept vs dorzolamide/timolol Comparison
aflibercept is classified in the Anti-VEGF (Ophthalmic Injection) drug class, while dorzolamide/timolol sits within the CAI / Beta-Blocker Combination (Ophthalmic) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. 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, aflibercept has 14,206 submissions while dorzolamide/timolol 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 aflibercept and dorzolamide/timolol — 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.