Tearin
Generic Name
Carboxymethylcellulose Sodium 0.5%
Manufacturer
Square Pharmaceuticals Ltd.
Country
Bangladesh
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Price Details
Current market pricing information
| Variant | Unit Price | Strip Price |
|---|---|---|
| tearin 05 eye drop | ৳ 80.00 | N/A |
Description
Overview of the medicine
Tearin-05 Eye Drop is an artificial tear solution containing Carboxymethylcellulose Sodium 0.5%. It is used to provide temporary relief from burning, irritation, and discomfort due to dryness of the eye or exposure to wind or sun. It helps to lubricate the eyes and restore moisture.
Uses & Indications
Dosage
Adults
Instill 1-2 drops in the affected eye(s) as needed, up to 4 times a day or as directed by a physician.
Elderly
Same as adult dosage.
Renal_impairment
No dosage adjustment necessary.
How to Take
For ophthalmic use only. Tilt head back, pull down the lower eyelid to form a pouch, instill the drop, and close the eye gently for a few moments. Do not touch the dropper tip to any surface.
Mechanism of Action
Carboxymethylcellulose Sodium is a cellulose derivative that acts as a lubricating agent. When applied to the eye, it increases the viscosity of the tear film, thereby prolonging the contact time of the tears with the ocular surface, providing relief from dry eye symptoms.
Pharmacokinetics
Onset
Immediate relief upon administration.
Excretion
Not systemically excreted.
Half life
Not systemically absorbed, ocular retention varies.
Absorption
Minimal to no systemic absorption after ocular administration.
Metabolism
Not systemically metabolized.
Side Effects
Contraindications
- Hypersensitivity to Carboxymethylcellulose Sodium or any component of the formulation.
Drug Interactions
Other Eye Drops
Wait at least 5-10 minutes between administering different eye drops to avoid washout.
Storage
Store at room temperature (below 30°C). Do not freeze. Keep the bottle tightly closed when not in use. Protect from light.
Overdose
Ocular overdose is unlikely to cause systemic toxicity due to minimal absorption. Rinse the eye with lukewarm water if excessive drops are instilled.
Pregnancy & Lactation
Generally considered safe during pregnancy and lactation as systemic absorption is minimal. Consult a doctor if concerned.
Side Effects
Contraindications
- Hypersensitivity to Carboxymethylcellulose Sodium or any component of the formulation.
Drug Interactions
Other Eye Drops
Wait at least 5-10 minutes between administering different eye drops to avoid washout.
Storage
Store at room temperature (below 30°C). Do not freeze. Keep the bottle tightly closed when not in use. Protect from light.
Overdose
Ocular overdose is unlikely to cause systemic toxicity due to minimal absorption. Rinse the eye with lukewarm water if excessive drops are instilled.
Pregnancy & Lactation
Generally considered safe during pregnancy and lactation as systemic absorption is minimal. Consult a doctor if concerned.
Frequently Asked Questions
Common questions about this medicine
Pack Sizes
Shelf Life
Typically 2-3 years unopened; discard 28 days after opening.
Availability
Pharmacies, drugstores
Approval Status
Approved by health authorities (e.g., FDA, DGDA)
Patent Status
Generic (Off-patent)
Clinical Trials
Numerous clinical trials have supported the efficacy and safety of Carboxymethylcellulose for dry eye syndrome, demonstrating its ability to improve tear film stability and reduce symptoms.
Lab Monitoring
- No specific lab monitoring is required for this medication.
Doctor Notes
- Advise patients to maintain hygiene to prevent contamination of the dropper tip.
- Remind patients that this is for temporary relief and not a cure for underlying dry eye causes.
Patient Guidelines
- Do not use if the solution changes color or becomes cloudy.
- Remove contact lenses before use and wait 15 minutes before reinserting.
- Do not touch the dropper tip to any surface to avoid contamination.
- Stop use and consult a doctor if eye pain, vision changes, continued redness or irritation of the eye occurs, or if the condition worsens or persists for more than 72 hours.
Missed Dose Advice
Since this medication is used as needed, a missed dose is not usually a concern. Apply when symptoms return.
Driving Precautions
May cause temporary blurring of vision. Avoid driving or operating machinery until vision is clear.
Lifestyle Advice
- Avoid prolonged screen time to reduce eye strain.
- Blink regularly.
- Use a humidifier in dry environments.
- Protect eyes from wind and sun.
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Global Brand Names
International brand names for this medicine. Click a brand to search for detailed information.