CARBOXYMETHYLCELLULOSE(CMC)
OVERVIEW
Carboxymethylcellulose is a type of lubricant eye drop that helps soothe dry or irritated eyes. Most people use it without any problems.
CLASSIFICATION
ophthalmic (eye) lubricant
USES
Carboxymethylcellulose is commonly used in eye drops to help relieve dry, irritated eyes. It works by keeping the surface of your eyes moist and comfortable.
People often use it to:
Soothe dryness caused by wind, sun, or staring at screens for too long
Protect the eyes from irritation
Ease burning, stinging, or discomfort
In some cases, your doctor might recommend it for other eye-related issues as well.
HOW IT WORKS
Carboxymethylcellulose is used in eye drops to help keep your eyes moist. It works like a gentle lubricant, providing relief from dryness or irritation.
DOSAGE
As directed by the physician
PRECAUTIONS
Tell all of your health care providers that you take carboxymethylcellulose. This includes your doctors, nurses, pharmacists, and dentists.
Do not take carboxymethylcellulose by mouth. If carboxymethylcellulose is put in the mouth or swallowed, call a doctor or poison control center right away.
Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using carboxymethylcellulose while you are pregnant.
Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby

SIDE EFFECTS
Serious side effects are rare, but they can happen. Call your doctor or get medical help right away if you notice:
Allergic reaction signs – rash, hives, itching, red or swollen skin, blisters, trouble breathing or talking, chest tightness, or swelling of your face, lips, tongue, or throat.
Eye problems – sudden changes in vision, eye pain, or severe irritation.
Don’t wait—if something feels wrong, get help right away.
Disclaimer
This content is for informational purposes only. Always consult a healthcare provider for medical advice and proper dosage