*Carboxymethylcellulose 0.5% eye drops* are lubricating eye drops used to relieve dryness and irritation of the eyes.

Mechanism of Action:

Carboxymethylcellulose is a lubricant that works by mimicking the natural tears, providing moisture and lubrication to the eyes. It forms a protective film over the surface of the eye, preventing further irritation and dryness.

Uses and Indications:

1. *Dry Eye Syndrome*: Carboxymethylcellulose eye drops are primarily used to relieve symptoms of dry eye syndrome, including itching, burning, irritation, and foreign body sensation in the eyes.
2. *Contact Lens Discomfort:*: It can also be used to lubricate and hydrate the eyes for contact lens wearers experiencing discomfort due to dryness.

Side Effects: Common side effects may include:

1. Temporary blurred vision after application
2. Mild stinging or burning sensation
3. Temporary irritation or redness of the eye
4. Watery eyes

Serious side effects are rare but may include allergic reactions such as rash, itching, swelling, severe dizziness, or trouble breathing. If you experience any severe side effects, it's important to seek medical attention immediately.

Dosage:

The usual dosage is 1 to 2 drops in the affected eye(s) as needed, typically 1 to 4 times daily or as directed by your doctor. It's essential to follow the dosage instructions provided by your healthcare professional.

Carboxymethylcellulose eye drops are generally safe and well-tolerated, but if you experience persistent or worsening symptoms, consult your doctor. It's important to note that these eye drops are for external use only and should not be ingested.