Dextenza (Dexamethasone Insert): Uses & Dosage

Dextenza is a small, dissolvable insert placed in your tear duct after cataract surgery to release medicine and reduce inflammation and pain.

Drug class	Sustained-release Steroid
Type	Single
Forms	Intracanalicular Insert
Common strength	0.4 mg
Common Indian brands	Dextenza
Prescription status	Prescription (hospital use)

What Dextenza (Dexamethasone Insert) is used for

Dextenza (Dexamethasone Insert) is a special medicine used in eye care, specifically to help patients recover smoothly after cataract surgery. It is designed to address two main concerns that can arise after this common eye procedure:

Reducing inflammation in the eye after cataract surgery.
Managing pain experienced after cataract surgery.

By effectively controlling inflammation and pain, Dextenza helps ensure a more comfortable and quicker recovery period for patients.

How it works

Dextenza is an innovative treatment that works by providing a steady release of a medicine called dexamethasone directly into your eye. Dexamethasone is a type of steroid, which is very effective at reducing inflammation and pain.

Unlike traditional eye drops that need to be applied multiple times a day, Dextenza is a tiny insert, about the size of a grain of rice, that is gently placed into your tear duct by your eye doctor after cataract surgery. Once in place, it slowly dissolves over approximately 30 days, continuously releasing the dexamethasone. This sustained release ensures that your eye receives a consistent dose of medicine, helping to keep inflammation and pain under control for an extended period without you needing to remember daily eye drop applications.

This mechanism helps to maintain a therapeutic level of the medicine in your eye, which is crucial for a smooth and comfortable recovery after surgery.

How it’s used

Dextenza (Dexamethasone Insert) is not a medicine you will administer yourself. It is a specialized treatment that is placed by your eye doctor or an ophthalmologist in a hospital or clinic setting.

Here’s how it is typically used:

Placement: Immediately after your cataract surgery, your eye doctor will gently place the Dextenza insert into a small opening in your tear duct, located near the inner corner of your eye. This is a quick and generally painless procedure.
Dosing: Only one Dextenza insert is needed after surgery. Once placed, it begins to release the medicine continuously.
Duration: The insert is designed to dissolve slowly over about 30 days, providing a sustained release of medication to your eye throughout this period. You do not need to remove it; it will naturally resorb into your body.

Because Dextenza provides a steady supply of medicine, it can often reduce the need for frequent eye drop applications during your recovery, making the post-operative period more convenient for you. Your doctor will provide specific instructions on post-operative care and follow-up appointments.

Always follow your ophthalmologist’s exact instructions.

Brands available in India

Dextenza

Brand availability and pricing vary; confirm with your pharmacist.

Important safety warning

STEROID — DO NOT SELF-MEDICATE. Unsupervised or prolonged use of steroid eye medication can cause steroid-induced glaucoma (silent, irreversible optic-nerve damage) and cataract, and can turn a viral or fungal eye infection into a sight-threatening one. Use only on an eye doctor's prescription, for the stated duration, with eye-pressure checks. Never repeat an old prescription for a red eye. This is given only by specialists in a hospital or clinic setting and is never for self-use.

Precautions & side effects

Dextenza (Dexamethasone Insert) contains a steroid, and while it is administered by specialists in a controlled setting, it is crucial to understand the general precautions associated with steroid eye medications. Your eye doctor will monitor you closely, but here are important points to remember:

Prescription Only: Dextenza is a prescription-only medicine and is administered exclusively by eye specialists in a hospital or clinic. It is never for self-use.
Steroid-Induced Glaucoma and Cataract: Unsupervised or prolonged use of steroid eye medication can lead to serious eye conditions such as steroid-induced glaucoma. Glaucoma can cause silent, irreversible damage to the optic nerve, which is vital for vision. Steroids can also contribute to the development of cataracts. This is why strict medical supervision and regular eye pressure checks are essential when using any steroid eye medicine.
Infections: Steroid eye medications can suppress the immune response in the eye. This means that if you have a viral or fungal eye infection, using steroids without proper diagnosis and treatment can worsen the infection, potentially turning it into a sight-threatening condition. Always ensure your eye doctor is aware of any existing or new eye infections.
Follow Doctor’s Instructions: Always adhere strictly to your eye doctor’s instructions regarding follow-up appointments and any other prescribed medications. Do not attempt to repeat an old prescription for a red eye or any other eye condition without consulting your doctor.
Report Any Changes: If you experience any new or worsening symptoms such as increased pain, redness, blurred vision, or sensitivity to light after the Dextenza insert has been placed, contact your eye doctor immediately.

Your eye doctor at Pristine Eye Hospitals will discuss all necessary precautions with you and ensure you receive the safest and most effective care.

Understanding Post-Cataract Care and Eye Health

Cataract surgery is one of the most common and successful surgeries performed worldwide, significantly improving vision for millions of people. A cataract is a clouding of the natural lens inside your eye, which leads to blurry vision, difficulty seeing in dim light, and increased glare from lights. During cataract surgery, the cloudy lens is removed and replaced with a clear artificial lens. While the surgery itself is quick and highly effective, the period immediately following surgery is crucial for a smooth recovery and optimal visual outcomes.

After cataract surgery, it is normal to experience some degree of inflammation and discomfort. Your eye needs time to heal, and the body’s natural response to surgery is to initiate an inflammatory process. This inflammation, if not properly managed, can lead to prolonged healing, discomfort, and potentially affect your vision. Pain is also a common complaint, ranging from mild irritation to a dull ache. Medicines like Dextenza are specifically designed to manage these post-operative symptoms, helping to reduce inflammation and pain, thereby contributing to a faster and more comfortable recovery. It’s important to understand that while Dextenza helps manage these symptoms, it does not replace the need for careful post-operative monitoring by your eye doctor.

General Eye Care and Hygiene After Surgery

Maintaining good eye hygiene and following your doctor’s instructions are paramount after any eye surgery. Even with a sustained-release medicine like Dextenza, which reduces the need for frequent eye drops, general care remains vital. Here are some general tips:

Hand Hygiene: Always wash your hands thoroughly with soap and water before touching your eyes or any eye medication. This prevents the transfer of germs that could cause infection.
Avoid Rubbing Your Eyes: It is very important to avoid rubbing or pressing on your operated eye, especially in the initial weeks after surgery. Rubbing can disrupt the healing process or even dislodge the Dextenza insert, though this is rare.
Protect Your Eye: Your doctor may recommend wearing a protective shield, especially at night, to prevent accidental rubbing or injury to the eye.
Avoid Contaminants: Try to avoid dusty environments, swimming pools, and hot tubs for the duration recommended by your doctor, as these can introduce bacteria or irritants to your healing eye.
Follow-Up Appointments: Attend all scheduled follow-up appointments with your eye doctor. These visits are essential for your doctor to monitor your healing progress, check your eye pressure, and ensure there are no complications.
General Storage: While Dextenza is administered by your doctor, any other eye drops or ointments you might be prescribed should be stored as directed, usually at room temperature, away from direct sunlight and moisture. Always check the expiry date.

Remember, your eye doctor is your best resource for specific instructions tailored to your individual recovery. Do not hesitate to ask any questions you may have.

When to Seek Medical Help

While Dextenza is designed to provide sustained relief and aid in healing, it is crucial to be aware of symptoms that might indicate a problem requiring immediate medical attention. Even with the best care, complications can sometimes arise. Contact your eye doctor or seek emergency medical care if you experience any of the following:

Sudden Decrease in Vision: Any sudden or significant worsening of your vision in the operated eye.
Severe Eye Pain: Intense or persistent pain that is not relieved by over-the-counter pain relievers.
Increased Redness: If your eye becomes significantly redder than it was, or if the redness spreads.
New Discharge: Any yellow or green discharge from your eye, which could indicate an infection.
Extreme Light Sensitivity: If light becomes unusually painful or bothersome.
Flashes of Light or Floaters: New or increased flashes of light or dark spots (floaters) in your vision.
Swelling: Significant swelling around your eye or eyelid.

These symptoms could indicate an infection, increased eye pressure, or other complications that need prompt evaluation and treatment. At Pristine Eye Hospitals, your well-being is our priority, and we encourage you to reach out immediately if you have any concerns about your recovery.

Frequently asked questions

What is Dextenza used for?

Dextenza is used to reduce inflammation and pain in the eye after cataract surgery. It helps ensure a smoother and more comfortable recovery period.

How does Dextenza work?

Dextenza is a small insert placed in your tear duct after surgery. It slowly releases a steroid medicine called dexamethasone over approximately 30 days, providing continuous relief from inflammation and pain.

What are the common Indian brands for this medicine?

The brand name for this specific medicine is Dextenza.

How is Dextenza used?

Dextenza is not for self-use. It is placed by your eye doctor once in your tear duct immediately after cataract surgery. It then dissolves naturally over about 30 days, releasing the medicine.

Do I need a prescription for Dextenza?

Yes, Dextenza is a prescription-only medicine and is administered exclusively by eye specialists in a hospital or clinic setting. It is never for self-use.

What are the key precautions I should be aware of with Dextenza?

Dextenza contains a steroid. Unsupervised or prolonged use of steroid eye medication can cause serious conditions like steroid-induced glaucoma (silent, irreversible optic-nerve damage) and cataract, and can worsen viral or fungal eye infections. It must only be used on an eye doctor's prescription, for the stated duration, with eye-pressure checks. Never repeat an old prescription for a red eye. Your doctor will monitor you closely.

References

Medically reviewed by Dr. C Jagadesh Reddy, Chief Surgeon: Cornea, Cataract and Refractive Surgery — last reviewed 2026-07-28.

This page is for general education only and is not a substitute for professional medical advice, diagnosis or treatment. Never self-medicate or reuse an old prescription. Always consult a qualified ophthalmologist before starting, changing or stopping any eye medicine.