Product image of Kestine (Ebastine) supplied by GNH India

Kestine

Active Ingredient:
Ebastine
Origin:
EU

Kestine (Ebastine)

Ebastine, the active ingredient in Kestine, is a second‑generation H1 antihistamine presented as an oral tablet for systemic use. It alleviates symptoms of allergic rhinitis and chronic idiopathic urticaria by blocking peripheral histamine H1 receptors in patients who experience seasonal or perennial allergies.

GNH India supplies Kestine as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory‑approved batches to meet global demand.

Manufacturer / TM Owner

Almirall, S.A.

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Indications & Clinical Uses

Ebastine is indicated for allergic conditions that involve histamine‑mediated inflammation.

  • Allergic rhinitis: relief of sneezing, nasal itching, rhinorrhea and congestion.
  • Seasonal allergic rhinitis: reduction of symptoms triggered by pollen or outdoor allergens.
  • Chronic idiopathic urticaria: decrease in hives and itching, improving patient quality of life.

How It Works

  • Ebastine selectively antagonizes peripheral H1 receptors, preventing histamine from binding to mast cells, basophils and other target tissues. This blockade inhibits the cascade that leads to vasodilation, increased vascular permeability, and sensory nerve stimulation, thereby reducing the classic signs of allergic reactions such as itching, swelling, and mucus production.

Side Effects

Ebastine may cause adverse reactions, which are generally mild but can include serious events in rare cases.

Common Side Effects

  • Headache
  • Dry mouth
  • Drowsiness
  • Fatigue
  • Nausea
  • Abdominal pain

Serious or Rare Side Effects

  • Angioedema
  • Severe skin reactions (e.g., Stevens‑Johnson syndrome)
  • Anaphylaxis
  • Cardiac arrhythmia
  • Hepatic enzyme elevation
  • Blood dyscrasias

Precautions & Warnings

When prescribing ebastine, clinicians should consider several precautionary measures to ensure safe use.

  • Assess liver function: obtain baseline hepatic labs in patients with known liver disease.
  • Avoid use in known hypersensitivity: discontinue if rash or other allergic signs develop.
  • Caution in pregnancy: limited data; use only if benefit outweighs potential risk.
  • Monitor for sedation: advise patients not to operate machinery if drowsy.
  • Review concomitant CYP3A4 inhibitors: dose adjustment may be required.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Ebastine's plasma levels can be altered by drugs that affect CYP3A4 metabolism, requiring attention to potential interactions.

Major Interactions (Avoid)

  • Ketoconazole: may markedly increase ebastine concentrations.
  • Erythromycin: can elevate plasma levels, raising toxicity risk.
  • Ritonavir: strong CYP3A4 inhibition leading to significant exposure.

Moderate Interactions (Monitor Closely)

  • Theophylline: may increase its plasma concentration.
  • Other sedating antihistamines: additive drowsiness possible.
  • Alcohol: may enhance central nervous system depression.

Frequently Asked Questions

Kestine contains ebastine, a second‑generation H1 antihistamine indicated for the treatment of allergic rhinitis—including seasonal and perennial forms—and chronic idiopathic urticaria. It works by reducing histamine‑mediated symptoms such as sneezing, nasal congestion, itching, and hives, providing relief for patients with allergy‑related conditions.

Ebastine acts as a selective peripheral H1‑receptor antagonist. By binding to H1 receptors on mast cells, basophils and other target tissues, it blocks the action of histamine released during allergic reactions, thereby preventing the cascade that leads to vasodilation, increased vascular permeability, and sensory nerve stimulation responsible for typical allergy symptoms.

The dosage of ebastine is determined by the prescribing clinician based on the patient’s age, severity of symptoms and any relevant comorbidities. In most adult cases, a single oral dose is administered once daily, but the exact amount and frequency must be specified on the prescription. Patients should follow the healthcare professional’s instructions precisely.

Safety data for ebastine during pregnancy and lactation are limited, and the product is classified as pregnancy category unknown. Consequently, it should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant. Breastfeeding mothers should consult their physician before initiating therapy.

To place an order, submit an enquiry on the Kestine product page at gnhindia.com, indicating the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials. After confirmation, the sales team provides pricing, availability, shipping details and any necessary import documentation.

Compared with first‑generation antihistamines, ebastine causes less sedation because it does not readily cross the blood‑brain barrier. Within the second‑generation class, its efficacy in relieving allergic rhinitis and chronic urticaria is comparable to agents such as cetirizine or loratadine, while offering a favorable safety profile and once‑daily dosing for many patients.

Kestine should be stored at ambient temperature, preferably below 25 °C. Keep the tablets in the original blister pack or container, protect them from moisture and direct sunlight, and keep them out of reach of children. Do not store in a refrigerator or freezer unless specifically instructed by the supplier.

Kestine is taken orally, usually as a whole tablet with a glass of water. It may be taken with or without food, but patients should avoid crushing or chewing the tablet to ensure proper absorption. The medication is intended for once‑daily use, and the exact timing should follow the prescriber’s guidance.

Although uncommon, serious adverse reactions can occur, including angioedema, severe skin reactions such as Stevens‑Johnson syndrome, anaphylaxis, cardiac arrhythmias, significant liver enzyme elevations and blood dyscrasias. Patients should seek immediate medical attention if they experience swelling of the face or throat, rash, difficulty breathing, or unexplained fatigue.

Kestine is contraindicated in individuals with known hypersensitivity to ebastine or any of the tablet excipients. Caution is also advised for patients with severe hepatic impairment, as metabolism may be affected. Pregnant or nursing women should only use the drug when clearly indicated, and it should be avoided in patients taking strong CYP3A4 inhibitors unless supervised by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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