Sodium Carboxymethyl Cellulose

Uses	Dryness of eyes
Therapy	Ocular Lubricant
Side Effects	Eye pain, burning, redness, itching, irritation

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Molecule Description

Sodium Carboxymethyl Cellulose is a lubricant used to provide relief from burning, irritation, and discomfort in the eyes due to dryness or due to exposure to wind or sun. The dryness of the eye is due to various factors like wind, sunlight, continuous use of computers, and staying in air-conditioned setups. Sodium Carboxymethyl Cellulose helps in re-establishing the moisture of the eyes using natural tears. Before using Sodium Carboxymethyl Cellulose, discuss with the doctor if you have other eye conditions. This eye drop should be used externally only. Do not ingest this medicine. Avoid touching the dropper with your hands.

Uses

Sodium Carboxymethyl Cellulose is used to give relief from burning, irritation, and discomfort in the eyes caused due to dryness of the eye, wind, sunlight, continuous use of computers, or staying in air-conditioned setups.

Contraindications

When should one not use Sodium Carboxymethyl Cellulose

If you are allergic to carboxymethylcellulose or any other ingredient of Sodium Carboxymethyl Cellulose.

Side effects

Common side effects of this drug are:

Eye pain
Burning
Eye redness
Eye itching
Irritation

Precautions and Warnings

Pregnancy

There is limited information about the effect of Sodium Carboxymethyl Cellulose during pregnancy. This medicine can be used during pregnancy if recommended by your doctor.

Breast Feeding

No information is available if Sodium Carboxymethyl Cellulose passes into human breast milk. Breastfeeding women can use this eye drop if advised by the doctor.

Driving

You may experience vision disturbances like blurred vision after using Sodium Carboxymethyl Cellulose. If you experience any such symptoms which may affect your ability to drive properly, then it is suggested that you do not drive until your vision clears.

Alcohol

There is limited information available regarding the interaction of alcohol with Sodium Carboxymethyl Cellulose. Ask your doctor for advice on alcohol intake along with Sodium Carboxymethyl Cellulose.

Other General Warnings

Talk to your doctor if

You experience irritation, pain, redness in the eye, and changes in vision after using this medicine.

Mode of Action

How Does It Work?

Sodium Carboxymethyl Cellulose has a high viscosity which prevents the drainage of tears and increases the retention time in the eye. The tears formed are retained into the eyes for a longer time, lubricating the eyes and providing relief.

Interactions

Interactions with other medicines

Since Sodium Carboxymethyl Cellulose is to be used externally on eyes, it is less likely to interact with other medicines.
However, consult your doctor if you are taking other medicines for treating other health conditions.

Dosage

Overdose

As Sodium Carboxymethyl Cellulose is meant for external application, cases of an overdose are unlikely. However, upon accidental ingestion, contact the doctor or visit the nearest hospital.

Missed a Dose

If you have missed using Sodium Carboxymethyl Cellulose, instill the medicine as soon as possible. If it is almost time for the next dose, skip the missed dose and instill the medicine at the time of the next dose as planned. Avoid overuse of the medicine to compensate for the missed dose.

Frequently Asked Questions (FAQs)

No, it is advisable to remove contact lenses and then instil Sodium Carboxymethyl Cellulose. Wear the lenses after 15 mins.

No, Sodium Carboxymethyl Cellulose is an eye drop and must be used for the eyes.

Read the instructions provided on the packaging. Twist the nozzle and break the seal. Tighten the nozzle again. Shake well before use.

The safety and efficacy of Sodium Carboxymethyl Cellulose on babies and children have not been established. No information is available. Ask your doctor for advice on the use of Sodium Carboxymethyl Cellulose in babies.

Sodium Carboxymethyl Cellulose is used as a lubricant and in conditions causing dry eyes.

Sodium Carboxymethyl Cellulose must be used as prescribed by the doctor.

No information suggests that use of the medicine leads to cataract formation. It generally has a minimal side effect profile.

Sodium Carboxymethyl Cellulose should usually be used as required. Sodium Carboxymethyl Cellulose should be used for the exact duration and in the dose prescribed by the doctor. Ideally, it should not be used more than 4 times a day.

Eye drops containing Sodium Carboxymethyl Cellulose have the same active ingredient. However, the doctor will prescribe you the medicine based on medical history. It is advisable to use the recommended brand only.

Sodium Carboxymethyl Cellulose is used to provide relief from burning, irritation, and discomfort in the eyes caused due to dryness of the eye, wind, sunlight, continuous use of computers, or staying in air-conditioned setups.

Yes, Sodium Carboxymethyl Cellulose can be used for treating dry eyes. However, you should only use this eye drop if recommended by your doctor.

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References:

National Center for Biotechnology Information (2025). PubChem Compound Summary for CID 6328154, Carmellose sodium. Retrieved January 27, 2025

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