Lubtear

Lubtear Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Lubtear is a brand name. Its generic name is Dextran + Hypromellose.

Introduction

Dextran and Hypromellose are two viscous polysaccharide derivatives, which are commonly used as gelling agents and lubricants in a range of pharmaceutical products, including ophthalmic solutions, suspensions, emulsions, and topical creams.

Uses

Dextran and Hypromellose are used as a protective colloid for stabilizing emulsions, suspensions and dispersions and often prescribed for ophthalmic use, as well as for intestinal and urinary tract laxation.

Mechanism of Action

Dextran and Hypromellose are both hydrophilic molecules that bind to water, allowing for the formation of suspensions and emulsions. This helps protect other drugs in the product from damage due to environmental factors like humidity and temperature. They also act as lubricants, creating a slippery coating on the skin or eye surface which prevents irritation and tearing.

How Long Does it Take to Work?

The effects of Dextran and Hypromellose can be seen immediately after administration.

Absorption

Due to their hydrophilic nature, Dextran and Hypromellose molecules are not easily absorbed into the body, so very little, if any, is taken up.

Route of Elimination

Dextran and Hypromellose are eliminated via the feces and the urine.

Dosage

Dosage information should be provided by a doctor.

Administration

Dextran and Hypromellose may be administered orally, intravenously, or rectally depending on the specific product and patient requirement.

Side Effects

Dextran and Hypromellose are generally considered to be safe, but some side effects may be experienced including itching, rash, stomach discomfort, bloating, diarrhea, or constipation.

Toxicity

Dextran and Hypromellose are low-toxicity materials, and no adverse systemic effects have been noted with recommended doses.

Precaution

Dextran and Hypromellose should be used with caution in individuals with a known hypersensitivity or allergy to either material.

Interaction

Dextran and Hypromellose may interact with other drugs in the body. It is best to consult a doctor or pharmacist before taking any medications.

Disease Interaction

Dextran and Hypromellose may interact with diseases such as diabetes and heart failure, and should be taken with caution in patients with these conditions.

Drug Interaction

Dextran and Hypromellose may interact with some drugs, including anticoagulants, blood thinners, and laxatives. It is best to consult a doctor or pharmacist before taking any medications.

Food Interactions

Dextran and Hypromellose may interact with certain foods, particularly those that are high in fiber or starch. It is best to consult a doctor or pharmacist before making any dietary changes.

Pregnancy Use

Dextran and Hypromellose should be avoided during pregnancy.

Lactation Use

Dextran and Hypromellose should be avoided during breastfeeding.

Acute Overdose

An overdose of Dextran and Hypromellose may cause symptoms such as abdominal discomfort, diarrhea, or nausea and vomiting. In case of an overdose, it is recommended to consult a doctor or pharmacist immediately.

Contraindication

Dextran and Hypromellose should not be used in individuals with known hypersensitivity to either of the materials.

Use Direction

Dextran and Hypromellose should be used in accordance with the instructions provided by the doctor or pharmacist.

Storage Condition

Dextran and Hypromellose should be stored at room temperature and away from light and moisture.

Volume of Distribution

The volume of distribution of Dextran and Hypromellose is unknown.

Half Life

The half-life of Dextran and Hypromellose in the body is unknown.

Clearance

The clearance rate of Dextran and Hypromellose is also unknown.

Here you find in details version of Lubtear

Some Frequently Asked Questions About Lubtear

What is Dextran?

Dextran is a polysaccharide produced by certain bacteria from glucose molecules. It is usually a linear chain of a few hundred to several thousand glucose molecules and is used as a stabilizer, thickener, and emulsifier for a number of consumer products and pharmaceuticals.

What is Hypromellose?

Hypromellose is a semisynthetic, inert, viscoelastic polymer used as an ophthalmic lubricant, as well as an excipient and controlled-release vehicle in oral and topical pharmaceutical formulations.

What is Lubtear?

Lubtear is a combination product of polysaccharide Polydextran and semisynthetic semi-inert hypromellose polymer. It is used as an ophthalmic lubricant, as an excipient and controlled-release vehicle in oral and topical pharmaceutical formulations.

What are the benefits of using Lubtear?

The combined product provides better functionality than either polysaccharide or hypromellose alone. It improves stability, thickening properties, and adhesion to the surface of the ocular tissue. Furthermore, Lubtear facilitates better drug release and absorption, and improves the overall performance of drug formulations compared to Dextran and Hypromellose individually.

How is Lubtear administered?

Lubtear is typically administered topically, drop by drop, applied directly to the affected area.

Is Lubtear safe for use?

Yes, Lubtear is considered safe for use and has been approved by the US FDA for ophthalmic lubrication and other purposes.

What are the possible side effects of Lubtear?

The possible side effects are mild and include irritation, inflammation, oedema, and blurred vision. Other rare but possible side effects include anaphylactic reactions.

How long does Lubtear take to work?

It typically takes about 15 to 20 minutes for Lubtear to take effect.

What are the contraindications for using Lubtear?

Lubtear is contraindicated in patients with known hypersensitivity to any component of the formulation.

What is the recommended dosage of Lubtear?

The dose of Lubtear should be determined by the physician based on the patient’s condition and response to treatment.

Can Lubtear be used in combination with other medication?

Yes, Lubtear can be used in combination with other medications, but any such combination should be discussed with the healthcare provider.

How long does a bottle of Lubtear last?

The shelf life of Lubtear is up to two years and it should be stored at room temperature.

Can Lubtear be stored in the refrigerator?

No, Lubtear should not be stored in the refrigerator and should be stored at room temperature.

What is the shelf life of Lubtear?

The shelf life of Lubtear is up to two years.

What are the storage requirements for Lubtear?

Lubtear should be stored at room temperature, away from direct sunlight and in an airtight container.

What are the inactive ingredients in Lubtear?

The inactive ingredients in Lubtear include polysorbate 80, sodium chloride, potassium chloride, glycerin, sodium bicarbonate and preservatives.

Can Lubtear be used during pregnancy?

Yes, Lubtear can be used during pregnancy but only if a physician recommends it.

Can Lubtear be used on children?

Yes, Lubtear can be used in children over 2 years of age, but it should be used with caution and only if recommended by a physician.

Should Lubtear be used in the presence of an allergic reaction?

No, Lubtear should not be used in the presence of an allergic reaction.

Can Lubtear cause an allergic reaction?

Yes, Lubtear can cause an allergic reaction, and it should be used with caution and only if recommended by a physician.

Can Lubtear be used for the treatment of dry eyes?

Yes, Lubtear can be used for the treatment of dry eyes, but only if recommended by a physician.

What is the onset time of Lubtear?

The onset time of Lubtear is typically 15 to 20 minutes.

What is the difference between Lubtear and other ophthalmic lubricants?

Lubtear is a combination product whereas other ophthalmic lubricants are typically either Polydextran or Hypromellose alone. The combined product offers better lubrication properties than either polysaccharide or hypromellose alone.

How long can Lubtear be used before needing a new prescription?

The duration of use of Lubtear can vary depending on the severity of the condition and the patient’s response to treatment, and it should be discussed with the healthcare provider.

Does Lubtear expire?

Yes, Lubtear has an expiration date printed on the packaging and should not be used beyond this date.

Does Lubtear come in different strengths?

No, Lubtear comes in one strength.

What are the most common adverse reactions associated with Lubtear?

The most common adverse reactions associated with Lubtear are irritation, inflammation, oedema, and blurred vision. These side effects are typically mild in nature.

Can Lubtear be used with contact lenses?

Yes, Lubtear can be used with contact lenses but it should be used as directed by the physician.

Is Lubtear safe for use in patients with diabetes?

Yes, Lubtear is safe for use in patients with diabetes, but any changes in blood sugar levels should be monitored carefully.

Does Lubtear have any drug interactions?

Yes, Lubtear may interact with other medications, and any such interactions should be discussed with the healthcare provider.

Can Lubtear cause blurred vision?

Yes, Lubtear may cause blurred vision, but this is usually mild in nature and should improve with continued use of the product.

Can Lubtear cause a rash?

Yes, Lubtear may cause a mild rash, but this is usually mild in nature and should improve with continued use of the product.

Is Lubtear available over the counter?

No, Lubtear is a prescription-only medication and it should be used only if recommended by a healthcare provider.

How much does Lubtear cost?

The cost of Lubtear varies depending on the pharmacy and the strength of the product.

Can Lubtear be used while breastfeeding?

Yes, Lubtear can be used while breastfeeding but only if recommended by a physician.

Can Lubtear be used with other medications?

Yes, Lubtear can be used with other medications, but any such combination should be discussed with the healthcare provider.

Are there any age restrictions for using Lubtear?

Yes, Lubtear should not be used in children under the age of 2 years and should be used with caution in children under 12 years of age.

Are there any drug interactions associated with Lubtear?

Yes, Lubtear may interact with other medications, and any such interactions should be discussed with the healthcare provider.

What are the benefits of using Lubtear?

The benefits of Lubtear include improved stability, thickening properties, and adhesion to the surface of the ocular tissue. Furthermore, it facilitates better drug release and absorption, and improves the overall performance of drug formulations compared to using Dextran and Hypromellose individually.

Can Lubtear be used for long term treatment?

Yes, Lubtear can be used for long term treatment but any such use should only be done under the supervision of a healthcare provider.

Does Lubtear need to be taken on an empty stomach?

No, Lubtear does not need to be taken on an empty stomach.

Does Lubtear require special handling?

No, Lubtear does not require special handling and can be stored at room temperature.

What type of packaging is available for Lubtear?

Lubtear is available in single-use vials, eye dropper bottles, and plastic dispensers.