Cequa is not a steroid. It is a calcineurin inhibitor immunosuppressant, a completely different class of drug from corticosteroids. The active ingredient in Cequa is cyclosporine, which works by calming immune activity on the surface of the eye rather than suppressing inflammation the way a steroid does. This distinction matters because it affects how long you can safely use the medication and what side effects to expect.
How Cequa Actually Works
Cequa contains 0.09% cyclosporine in a clear, nanomicellar solution designed to deliver the drug directly into eye tissue. Cyclosporine acts as an immunomodulator: it dials down the overactive immune cells on your eye’s surface that contribute to dry eye disease. Specifically, it blocks a protein called calcineurin, which certain immune cells need to activate and attack the tear-producing glands.
Steroids, by contrast, broadly suppress inflammation by blocking the chemical signals that cause swelling, redness, and pain. They work fast, but that broad suppression comes with trade-offs when used long term. Cyclosporine takes a more targeted approach, which is why it’s suited for ongoing use in a chronic condition like dry eye.
Why the Distinction Matters
Steroid eye drops are sometimes prescribed for dry eye flare-ups, but they carry well-documented risks with prolonged use: elevated eye pressure, glaucoma, and cataracts. These risks make corticosteroids a poor fit for a condition that often requires months or years of treatment.
Cequa does not carry those same risks. In clinical trials involving over 500 patients, there were no clinically significant changes in eye pressure or visual acuity. Side effects were mostly mild to moderate and resolved on their own without additional treatment. This safety profile is the primary reason cyclosporine-based drops like Cequa exist as a long-term alternative to steroids for managing dry eye.
What Cequa Is Prescribed For
Cequa is FDA-approved to increase tear production in people with keratoconjunctivitis sicca, the clinical term for dry eye disease. It’s used when over-the-counter artificial tears aren’t providing enough relief and the underlying cause involves inflammation that’s suppressing your natural tear output.
The standard regimen is one drop in each eye twice a day, spaced roughly 12 hours apart. Unlike a steroid, which you might use for a short course during a flare, Cequa is designed for sustained daily use. Cyclosporine works gradually by reducing the immune-driven damage to your tear glands over time, so results aren’t immediate. Most guidance suggests giving the medication several weeks to months before judging whether it’s helping.
Common Side Effects
The most frequently reported side effects of Cequa are related to the drop itself rather than systemic drug effects. Stinging or burning on instillation is the most common complaint, though the nanomicellar formulation was specifically designed to reduce this compared to older cyclosporine emulsions. Some people also experience redness or a foreign-body sensation.
Because cyclosporine is not a steroid, you won’t see the pressure spikes or lens clouding associated with long-term steroid use. You also won’t experience steroid-related rebound effects if you stop using it. That said, stopping Cequa means the immune-driven inflammation can gradually return, since the medication manages the condition rather than curing it.
Cequa vs. Steroid Eye Drops
- Speed of relief: Steroids reduce inflammation quickly, often within days. Cequa works gradually over weeks to months as it rebalances immune activity on the eye’s surface.
- Duration of use: Steroids are typically limited to short courses. Cequa is designed for long-term, ongoing treatment.
- Eye pressure risk: Prolonged steroid use can raise intraocular pressure and lead to glaucoma. Cequa has not shown this effect in clinical trials.
- Cataract risk: Long-term steroid exposure increases cataract risk. Cyclosporine does not.
Some eye care providers prescribe a short course of steroid drops alongside Cequa during the early weeks of treatment. The steroid provides fast symptom relief while the cyclosporine builds up its effect. Once the cyclosporine is working, the steroid is tapered off. If your provider has prescribed both, that combination approach is the likely reason.