Product image of Nefoxef (Fexofenadine Hydrochloride) supplied by GNH India

Nefoxef

Active Ingredient:
Fexofenadine Hydrochloride
Origin:
EU

Nefoxef (Fexofenadine Hydrochloride)

Fexofenadine, the active ingredient in Nefoxef, is a second‑generation H1 antihistamine presented as an oral tablet for oral use. It is used to relieve symptoms of allergic rhinitis and chronic idiopathic urticaria in adults and adolescents.
GNH India supplies Nefoxef as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Viatris Limited

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Indications & Clinical Uses

Nefoxef, a second‑generation H1 antihistamine, is indicated for allergic conditions affecting the nasal passages and skin.

  • Allergic rhinitis: reduces sneezing, nasal congestion, itching and watery discharge.
  • Seasonal allergic rhinitis: alleviates symptoms triggered by pollen or outdoor allergens.
  • Chronic idiopathic urticaria: diminishes hives and associated itching.

How It Works

  • Fexofenadine selectively blocks peripheral H1 receptors, preventing histamine from binding to these sites on mast cells, basophils and vascular endothelium. By inhibiting the histamine‑mediated cascade, it reduces vasodilation, increased vascular permeability, and sensory nerve stimulation, thereby alleviating the typical signs of allergic reactions without crossing the blood‑brain barrier.

Side Effects

Fexofenadine is generally well tolerated, but adverse reactions can occur.

Common Side Effects

  • Headache: mild to moderate pain often reported during early treatment.
  • Dry mouth: sensation of reduced salivation.
  • Nausea: occasional stomach upset.
  • Fatigue: feeling of tiredness without exertion.
  • Dizziness: transient light‑headedness.

Serious or Rare Side Effects

  • Anaphylaxis: severe allergic reaction requiring immediate medical attention.
  • Angioedema: swelling of face, lips, tongue or throat.
  • Cardiac arrhythmia: irregular heart rhythm, reported rarely.
  • Severe skin reactions: such as Stevens‑Johnson syndrome or toxic epidermal necrolysis.
  • Hepatotoxicity: abnormal liver function tests in rare cases.

Precautions & Warnings

Before initiating therapy, consider patient‑specific factors and safety measures.

  • Renal impairment: assess kidney function and adjust dose if necessary.
  • Hepatic disease: monitor liver enzymes in patients with liver dysfunction.
  • Concomitant use with ketoconazole or erythromycin: avoid due to increased plasma levels.
  • Pregnancy: discuss potential risks with a healthcare professional.
  • Breastfeeding: evaluate benefits versus potential infant exposure.
  • Store at room temperature: keep in the original container, protect from moisture and heat.

Avoid Interactions

Fexofenadine may interact with other medicines, affecting its absorption or plasma concentration.

Major Interactions (Avoid)

  • Ketoconazole: can markedly increase fexofenadine levels.
  • Erythromycin: may raise systemic exposure.
  • Ritonavir: strong CYP3A4 inhibitor that elevates concentrations.

Moderate Interactions (Monitor Closely)

  • Antacids containing aluminum or magnesium: reduce absorption; separate administration by at least 2 hours.
  • Fruit juices (grapefruit, orange, apple): may decrease bioavailability; advise spacing doses.

Frequently Asked Questions

Nefoxef contains fexofenadine, which is prescribed to manage symptoms of allergic rhinitis—including sneezing, nasal congestion, and itchy eyes—as well as chronic idiopathic urticaria, where it helps reduce hives and itching. It targets the underlying histamine response that drives these allergic manifestations.

Fexofenadine acts as a selective peripheral H1‑receptor antagonist. By binding to H1 receptors on mast cells and other tissues, it blocks histamine from triggering the cascade that leads to vasodilation, increased vascular permeability, and nerve stimulation, thereby mitigating the typical signs of an allergic reaction.

The appropriate dose of Nefoxef is determined by the prescribing healthcare professional based on the patient’s age, weight, renal function, and specific indication. Patients should follow the prescriber’s instructions and not adjust the dose without medical guidance.

Safety data for fexofenadine during pregnancy and lactation are limited. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss potential risks and benefits with their healthcare provider before starting Nefoxef.

To request Nefoxef, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Nefoxef (fexofenadine) is a second‑generation H1 antihistamine, offering effective allergy relief with minimal sedation compared with first‑generation agents like diphenhydramine. Its peripheral selectivity reduces central nervous system effects, making it suitable for patients who need to avoid drowsiness.

Nefoxef should be stored at room temperature, below 25 °C, in its original packaging. Keep the tablets away from moisture, direct sunlight, and excessive heat to maintain product stability throughout its shelf life.

Nefoxef is taken orally, usually with a glass of water. The tablet should be swallowed whole and not chewed or crushed. For optimal absorption, it can be taken with or without food, but patients should avoid taking it simultaneously with antacids or fruit juices that may interfere with absorption.

While rare, serious adverse reactions to Nefoxef can include anaphylaxis, angioedema, severe skin reactions such as Stevens‑Johnson syndrome, and cardiac arrhythmias. Patients should seek immediate medical attention if they experience symptoms like difficulty breathing, swelling of the face or throat, or unexplained heart palpitations.

Nefoxef is contraindicated in individuals with known hypersensitivity to fexofenadine or any of its excipients. Patients taking strong CYP3A4 inhibitors such as ketoconazole, erythromycin, or ritonavir should avoid co‑administration due to the risk of elevated drug levels.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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