Product image of Hayfever And Allergy Relief (Cetirizine Dihydrochloride) supplied by GNH India

Hayfever And Allergy Relief

Active Ingredient:
Cetirizine Dihydrochloride
Origin:
EU

Hayfever And Allergy Relief (Cetirizine Dihydrochloride)

Hayfever And Allergy Relief is an over‑the‑counter oral medication that contains the antihistamine cetirizine dihydrochloride. It belongs to the second‑generation H1‑receptor antagonist class and is marketed in the European Union. The product is formulated to provide systemic relief from allergy symptoms without causing significant sedation, making it suitable for daily use during hay fever season or other allergic conditions for adults and children over a certain age, as directed.

Manufacturer / TM Owner

Galpharm Healthcare Limited

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Indications & Clinical Uses

Hayfever And Allergy Relief is indicated for the temporary relief of symptoms associated with allergic conditions. It is commonly used to manage nasal congestion, sneezing, itchy or watery eyes, and skin reactions caused by exposure to environmental allergens.

  • Seasonal allergic rhinitis (hay fever)
  • Perennial allergic rhinitis
  • Allergic conjunctivitis
  • Urticaria (hives) associated with allergic triggers
  • Mild to moderate itching of the throat or nose due to pollen or dust exposure

Side Effects

Cetirizine may cause side effects, most of which are mild and transient, but serious reactions can occur in rare cases. Most side effects are mild, dose‑related, and resolve without medical intervention.

Common

  • Drowsiness or mild fatigue
  • Dry mouth
  • Headache
  • Nausea

Serious

  • Severe skin rash or Stevens‑Johnson syndrome
  • Swelling of the face, lips, tongue, or throat (angioedema)
  • Difficulty breathing or wheezing
  • Jaundice or liver dysfunction

Precautions & Warnings

Before using Hayfever And Allergy Relief, consider the following precautions to ensure safe and effective use.

  • Do not exceed the recommended daily dose.
  • Use caution if you have impaired kidney or liver function.
  • Avoid driving or operating machinery if you experience drowsiness.
  • Consult a healthcare professional before use during pregnancy or breastfeeding.
  • Keep out of reach of children; accidental ingestion can be harmful.
  • Discontinue use and seek medical advice if a rash or swelling develops.

Avoid Interactions

Cetirizine can interact with other medicines, altering its effectiveness or increasing the risk of adverse effects.

Avoid

  • Alcohol or other central nervous system depressants that may increase sedation.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, erythromycin) that can raise cetirizine levels.

Use with caution

  • Antihistamines or other H1‑blocking agents, which may cause additive effects.
  • Theophylline, which may reduce the antihistaminic effect.
  • Certain antidepressants (e.g., fluoxetine) that can affect metabolism.

Frequently Asked Questions

Hayfever And Allergy Relief can alleviate sneezing, runny or blocked nose, itchy or watery eyes, and skin itching or hives caused by allergic reactions.

Cetirizine dihydrochloride selectively blocks peripheral H1 receptors, preventing histamine from binding and thereby reducing the vascular and sensory effects of an allergic response.

The product is intended for use in adults and children above the age specified on the packaging; a healthcare professional should be consulted for dosing in younger children.

Alcohol may increase the likelihood of drowsiness when combined with cetirizine, so it is advisable to limit alcohol consumption while using the medication.

Common side effects include mild drowsiness, dry mouth, headache, and occasional nausea, most of which are transient.

Avoid the product if you have a known hypersensitivity to cetirizine or any other ingredient, or if you are taking medicines that strongly inhibit its metabolism without medical advice.

A typical oral dose of cetirizine provides symptom relief for about 24 hours, which is why it is often taken once daily.

Cetirizine may interact with alcohol, CNS depressants, strong CYP3A4 inhibitors, other antihistamines, theophylline, and certain antidepressants, potentially altering its effectiveness or side‑effect profile.

Safety during pregnancy has not been fully established; pregnant or breastfeeding individuals should discuss use with their healthcare provider before starting treatment.

Seek immediate medical attention if you develop severe rash, swelling of the face or throat, or difficulty breathing, as these may indicate a serious reaction.

Combining multiple antihistamines can increase the risk of side effects such as drowsiness and is generally not recommended without professional guidance.

Store the product at room temperature, away from excess heat and moisture, and keep it out of reach of children.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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