What it's for (Indications)
- Chlorobutanol + white petrolatum ophthalmic ointment is primarily indicated for the temporary relief of burning, irritation, and discomfort due to dryness of the eye, often associated with conditions such as dry eye syndrome (keratoconjunctivitis sicca).
- Its emollient properties make it particularly useful for providing ocular lubrication and protection, especially during nighttime, to prevent recurrent corneal erosions, protect against exposure keratitis, and alleviate symptoms that can be exacerbated during sleep.
- It forms a long-lasting protective barrier over the ocular surface, helping to reduce tear evaporation and shield the eye from environmental irritants, thereby promoting healing and comfort of the corneal and conjunctival epithelia.
- This formulation is designed to provide sustained relief where frequent application of drops may not be sufficient or practical.
Dosage Information
| Type | Guideline |
|---|---|
| Standard | For ophthalmic use only. The typical dosage involves applying a small ribbon (approximately 1/4 to 1/2 inch) of ointment into the conjunctival sac of the affected eye(s), usually once or twice daily, or as directed by a healthcare professional. Due to the viscous nature of the ointment, which can cause temporary blurred vision, it is most commonly recommended for application at bedtime to provide extended lubrication and protection throughout the night. Patients should be instructed to pull down the lower eyelid, look upwards, and gently squeeze a ribbon of ointment into the space created between the eye and the lower lid, taking utmost care not to allow the tip of the tube to touch the eye, eyelids, or any other surface to prevent contamination of the product. Hands should be washed thoroughly before and after application. |
Safety & Warnings
Common Side Effects
- While generally well-tolerated, chlorobutanol + white petrolatum ophthalmic ointment may cause certain side effects.
- The most common adverse effect is transient blurred vision immediately following application, which is an expected consequence of the ointment's thick consistency and typically resolves within a short period.
- Other reported side effects may include mild ocular irritation, a temporary foreign body sensation, or stickiness of the eyelids.
- Rarely, individuals may experience signs of an allergic reaction, such as increased redness, itching, swelling of the eyelids or surrounding areas, or a rash.
- Should any of these side effects persist, worsen, or if new symptoms such as severe eye pain, changes in vision, or persistent redness occur, patients should discontinue use immediately and seek professional medical advice to rule out more serious underlying conditions.
Serious Warnings
- Black Box Warning: This product does not carry an FDA Black Box Warning. However, several **Serious Warnings** are critical for patient safety and optimal therapeutic outcomes. Patients must be educated about the significant risk of microbial contamination of the ointment if the tube tip touches any surface, including the eye or fingers. Contaminated ophthalmic products can lead to severe ocular infections, potentially resulting in corneal damage, vision loss, or blindness. Patients experiencing severe eye pain, sudden and unexplained vision changes, persistent or worsening redness, or any signs suggestive of an allergic reaction (e.g., severe itching, swelling, rash around the eye) must discontinue use immediately and seek urgent ophthalmological assessment. Failure to address these symptoms promptly could lead to irreversible ocular damage. This ointment is for external ophthalmic use only; accidental ingestion, while unlikely to be severely toxic, should be avoided. Discard the product if it appears discolored or if the packaging is damaged.
- For external ophthalmic use only.
- Patients should be strictly warned against touching the tip of the ointment tube to any surface, including the eye, eyelids, or fingers, to prevent microbial contamination of the product, which could lead to severe ocular infection.
- If the patient experiences eye pain, vision changes, persistent redness or irritation, or if the condition worsens or persists for more than 72 hours, they must discontinue use and consult a healthcare professional.
- Because this ointment can cause temporary blurred vision, patients should be advised to exercise caution when driving or operating machinery immediately after application until their vision clears.
- This product is not intended for use while wearing contact lenses; lenses should be removed prior to application and may be reinserted after a suitable interval, typically recommended by an eye care specialist.
- Keep out of reach of children.
- Do not ingest.
How it Works (Mechanism of Action)
The therapeutic mechanism of action of this ophthalmic preparation primarily relies on the properties of white petrolatum. White petrolatum functions as an inert, non-irritating emollient and lubricant. Upon application to the ocular surface, it forms a protective, translucent, and viscous layer that physically coats the conjunctiva and cornea. This physical barrier serves multiple purposes: it reduces the evaporation rate of the natural tear film, thereby enhancing ocular lubrication and maintaining corneal hydration; it protects the delicate ocular epithelial cells from desiccation and environmental irritants such as wind, dust, and allergens; and it provides mechanical lubrication to reduce friction between the eyelid and the ocular surface. This sustained physical protection and lubrication alleviate symptoms of dry eye and promote comfort. Chlorobutanol, present in the formulation, acts as a bacteriostatic and fungistatic preservative, ensuring the sterility of the multi-dose product throughout its period of use by inhibiting the growth of potential microbial contaminants.
Commercial Brands (Alternatives)
No other brands found for this formula.