What is Netarsudil and Latanoprost: Uses, Dosage, Side Effects and More

Netarsudil and latanoprost is a prescription eye drop that combines two powerful medications to lower eye pressure in people with glaucoma or ocular hypertension. This combination treatment works by helping fluid drain better from your eye while also reducing the amount of fluid your eye produces.

If you've been diagnosed with elevated eye pressure, your doctor may have prescribed this medication to help protect your vision. Understanding how it works and what to expect can help you feel more confident about your treatment plan.

What is Netarsudil and Latanoprost?

Netarsudil and latanoprost is a combination eye drop medication that contains two active ingredients working together to reduce pressure inside your eye. The brand name for this combination is Rocklatan, and it's specifically designed for people who need stronger pressure reduction than single medications can provide.

This medication belongs to a class of drugs called intraocular pressure-lowering agents. Think of it as a specialized treatment that targets the root cause of glaucoma and ocular hypertension by addressing the fluid balance in your eye.

The combination approach means you get the benefits of both medications in one convenient drop, which can make your treatment routine simpler and more effective than using multiple separate eye drops.

What is Netarsudil and Latanoprost Used For?

This medication is primarily prescribed to treat open-angle glaucoma and ocular hypertension, conditions where pressure builds up inside your eye. Your doctor has likely recommended this treatment because your eye pressure readings have been consistently higher than normal, which can potentially damage your optic nerve over time.

Glaucoma is often called the "silent thief of sight" because it typically doesn't cause noticeable symptoms until vision loss has already occurred. By using this medication regularly, you're taking an important step to preserve your vision and prevent further damage to your optic nerve.

Your eye care professional may also prescribe this combination when single medications haven't been effective enough at lowering your eye pressure to target levels. The dual-action approach can provide better pressure control for people who need more intensive treatment.

How Does Netarsudil and Latanoprost Work?

This combination medication works through two different mechanisms to effectively lower your eye pressure. Netarsudil is a newer medication that works by increasing the outflow of fluid from your eye through the eye's natural drainage system, while also reducing the eye's resistance to fluid flow.

Latanoprost belongs to a class of medications called prostaglandin analogs, which increase the drainage of fluid from your eye through a different pathway. Together, these medications create a more comprehensive approach to pressure reduction than either could achieve alone.

The dual-action formula makes this a moderately strong medication that's typically reserved for people who need more intensive pressure control. Your eye pressure should begin to decrease within a few hours of your first dose, with maximum effects usually seen within 8 to 12 hours.

How Should I Take Netarsudil and Latanoprost?

You should use this medication exactly as prescribed by your eye care professional, typically one drop in the affected eye once daily in the evening. The evening timing is important because it allows the medication to work most effectively with your body's natural eye pressure rhythms.

Before applying the drops, wash your hands thoroughly and make sure the dropper tip doesn't touch your eye, eyelid, or any other surface to prevent contamination. Tilt your head back slightly, pull down your lower eyelid to create a small pocket, and gently squeeze one drop into this pocket.

After applying the drop, close your eye gently and press lightly on the inner corner of your eye near your nose for about one minute. This technique helps prevent the medication from draining into your tear duct and ensures more of it stays in your eye where it's needed.

If you're using other eye medications, wait at least 5 minutes between different drops to prevent them from washing each other out. You don't need to take this medication with food or water since it's applied directly to your eye.

How Long Should I Take Netarsudil and Latanoprost For?

This medication is typically a long-term treatment that you'll need to use consistently to maintain healthy eye pressure levels. Most people with glaucoma or ocular hypertension need to use pressure-lowering medications indefinitely to protect their vision.

Your eye care professional will monitor your eye pressure regularly, usually every 3 to 6 months initially, to ensure the medication is working effectively. Based on these check-ups, your doctor may adjust your treatment plan or recommend continuing with the same routine.

It's important to understand that stopping this medication without your doctor's guidance can cause your eye pressure to return to elevated levels, potentially putting your vision at risk. Even if you feel fine and don't notice any symptoms, consistent use is crucial for long-term eye health.

What Are the Side Effects of Netarsudil and Latanoprost?

Like all medications, netarsudil and latanoprost can cause side effects, though many people tolerate it well. The most common side effects are usually mild and related to the eye area where you apply the drops.

Here are the more common side effects you might experience as your eyes adjust to the medication:

• Redness or irritation in the eye or eyelid
• Small red spots on the white part of your eye (subconjunctival hemorrhage)
• Feeling like something is in your eye
• Blurred vision for a short time after applying drops
• Eye pain or discomfort
• Increased tear production
• Sensitivity to light

Many of these effects are temporary and may improve as your eyes get used to the medication. However, you should contact your eye care professional if these symptoms persist or worsen over time.

Some people may experience changes in eye color or eyelash growth, particularly if you have light-colored eyes. Latanoprost can gradually darken brown pigmentation in the iris and may cause eyelashes to grow longer, thicker, or darker.

More serious side effects are less common but require immediate medical attention. These include severe eye pain, sudden vision changes, signs of eye infection, or allergic reactions like swelling of the face, lips, or throat.

Who Should Not Take Netarsudil and Latanoprost?

This medication isn't suitable for everyone, and your eye care professional will carefully evaluate whether it's right for you. You should not use this medication if you're allergic to netarsudil, latanoprost, or any of the inactive ingredients in the formulation.

People with certain eye conditions may not be good candidates for this medication. If you have inflammatory eye conditions, certain types of glaucoma other than open-angle glaucoma, or a history of severe eye infections, your doctor may recommend alternative treatments.

You should tell your eye care professional about all your medical conditions and medications before starting this treatment. This includes any history of eye surgery, particularly if you've had cataract surgery, as well as any kidney or liver problems.

Pregnant or breastfeeding women should discuss the risks and benefits with their healthcare provider, as the safety of this medication during pregnancy and breastfeeding hasn't been fully established.

Netarsudil and Latanoprost Brand Name

The brand name for this combination medication is Rocklatan, manufactured by Aerie Pharmaceuticals. This is currently the only FDA-approved combination product that contains both netarsudil and latanoprost in a single formulation.

Rocklatan was specifically developed to provide the convenience of combination therapy for people who need the benefits of both medications. Having both active ingredients in one bottle can simplify your treatment routine and potentially improve your adherence to the prescribed therapy.

When you pick up your prescription, make sure you receive Rocklatan or confirm with your pharmacist that you're getting the correct combination medication, as there are other glaucoma medications with similar names.

Netarsudil and Latanoprost Alternatives

Several alternative treatments are available if netarsudil and latanoprost isn't suitable for you or doesn't provide adequate pressure control. Your eye care professional might consider other combination eye drops or individual medications depending on your specific needs.

Other combination medications include timolol with dorzolamide (brand name Cosopt) or timolol with brimonidine (brand name Combigan). These combinations work through different mechanisms and may be more appropriate for some people.

Single-agent alternatives include other prostaglandin analogs like travoprost (Travatan), bimatoprost (Lumigan), or individual netarsudil (Rhopressa). Beta-blockers like timolol, carbonic anhydrase inhibitors like dorzolamide, or alpha-agonists like brimonidine are also options.

For people who can't tolerate eye drops or need additional pressure reduction, laser treatments or surgical procedures might be considered. These options can provide long-term pressure control without the need for daily medications.

Is Netarsudil and Latanoprost Better Than Latanoprost Alone?

Studies have shown that the combination of netarsudil and latanoprost generally provides better eye pressure reduction than latanoprost alone. This improved effectiveness comes from the two medications working through different pathways to lower eye pressure.

For many people, using latanoprost by itself may not lower eye pressure enough to reach target levels set by their eye care professional. Adding netarsudil to the treatment regimen can provide the additional pressure reduction needed to protect vision effectively.

However, "better" depends on your individual situation and how well you tolerate the medication. Some people do very well with latanoprost alone and don't need the additional medication. Others may experience more side effects with the combination than they would with a single medication.

Your eye care professional will consider factors like your current eye pressure, target pressure goals, other health conditions, and how well you've responded to previous treatments when deciding whether the combination is right for you.