Epinastine HCl

Epinastine HCl Uses, Dosage, Side Effects, Food Interaction and all others data.

Epinastine HCl is a topically active antihistamine that antagonizes both histamine H1 and H2 receptors. Moreover, it has mast cell stabilizing activity and prevents the release of inflammatory mediators from blood vessel. Epinastine HCl does not penetrate the blood-brain barrier and therefore is not expected to induce side effects of the central nervous system.

Epinastine HCl is an antihistamine and an inhibitor of histamine release from the mast cell for topical administration to the eyes. Epinastine HCl is indicated for the prevention of itching associated with allergic conjunctivitis. Epinastine HCl is a topically active, direct H1-receptor antagonist and an inhibitor of the release of histamine from the mast cell. Epinastine HCl is selective for the histamine H1-receptor and has affinity for the histamine H2 receptor. Epinastine HCl also possesses affinity for the a1-, a2-, and 5-HT2 -receptors. Epinastine HCl does not penetrate the blood/brain barrier and, therefore, is not expected to induce side effects of the central nervous system.

Trade Name Epinastine HCl
Availability Prescription only
Generic Epinastine
Epinastine Other Names Epinastin, Epinastina, Epinastine, ├ępinastine, Epinastinum
Related Drugs prednisone, cetirizine ophthalmic, dexamethasone ophthalmic, prednisolone ophthalmic, azelastine ophthalmic, doxylamine
Type Ophthalmic solution
Formula C16H15N3
Weight Average: 249.3104
Monoisotopic: 249.126597495
Protein binding

64%

Groups Approved, Investigational
Therapeutic Class Ophthalmic Non-Steroid drugs
Manufacturer
Available Country United States
Last Updated: September 19, 2023 at 7:00 am
Epinastine HCl
Epinastine HCl

Uses

Epinastine HCl ophthalmic solution is used for the prevention of itching associated with allergic conjunctivitis.

Epinastine HCl is also used to associated treatment for these conditions: Seasonal Allergic Conjunctivitis

How Epinastine HCl works

Epinastine HCl has a multiaction effect that inhibits the allergic response in 3 ways: 1. stabilizes mast cells by preventing mast cell degranulation to control the allergic response, 2. prevents histamine binding to both the H1- and H2-receptors to stop itching and provide lasting protection, and 3. prevents the release of proinflammatory chemical mediators from the blood vessel to halt progression of the allergic response.

Dosage

Epinastine HCl dosage

The recommended dosage is one drop in each eye twice a day. Treatment should be continued throughout the period of exposure (i.e., until the pollen season is over or until exposure to the offending allergen is terminated), even when symptoms are absent.

Side Effects

Most frequently reported side effects are mild burning sensation, folliculosis, hyperemia, pruritus, cold symptoms and upper respiratory infections.

Precaution

For ophthalmic use only, Patients should be advised not to wear contact lenses if their eye is red.

Food Interaction

No interactions found.

Elimination Route

The absolute bioavailability of epinastine is about 40%.

Half Life

12 hours

Clearance

  • 56 L/hr [patients with allergic conjunctivitis receiving one drop of ELESTAT┬« ophthalmic solution in each eye twice daily for seven days]

Elimination Route

Epinastine HCl is mainly excreted unchanged. The renal elimination is mainly via active tubular secretion.

Pregnancy & Breastfeeding use

Use in pregnancy: There are no adequate and well-controlled studies in pregnant women. Epinastine HCl should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Use in lactation: It is not known whether Epinastine HCl is excreted in human milk. Caution should be exercised when Epinastine HCl is administered to a nursing mother.

Contraindication

Contraindicated in patients who are hypersensitive to Epinastine HCl or to any of the components of Epinastine HCl Hydrochloride.

Special Warning

Pediatric Use: Safety and effectiveness in pediatric patients below the age of 3 years have not been established.

Geriatric Use: No overall differences in safety or effectiveness have been observed between elderly and younger patients.

Storage Condition

Store in a cool and dry place, away from light. Keep out of reach of children.

Innovators Monograph

You find simplified version here Epinastine HCl

Epinastine HCl contains Epinastine see full prescribing information from innovator Epinastine HCl Monograph, Epinastine HCl MSDS, Epinastine HCl FDA label

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*** Taking medicines without doctor's advice can cause long-term problems.
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