Zyrtec is a medication that contains the active ingredient cetirizine hydrochloride. It is commonly known by its brand name Zyrtec and is used to provide relief from symptoms of allergy. This medication is indicated for the treatment of various allergic conditions, including hay fever, allergic rhinitis, and hives. Zyrtec works by blocking the action of histamine, a naturally occurring substance in the body that is responsible for producing allergic symptoms. It is available in tablet form for easy oral administration. Zyrtec is a widely recognized and trusted medication for alleviating allergy symptoms, offering individuals relief from the discomfort associated with allergies.

Price of Zyrtec

The price span for Zyrtec is approximately £0.87 – £1.96 per pills. The exact cost is influenced by the size and type of packaging, as well as the amount of active ingredients (30 or 360 mg).

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Zyrtec is a widely used medication that belongs to the class of antihistamines. Its active ingredient is cetirizine, an H1 receptor antagonist that blocks the effects of histamine, a natural substance in the body. Zyrtec is commonly prescribed to relieve symptoms of allergies such as sneezing, runny nose, itching, and watery eyes. It is available in various forms, including tablets, chewable tablets, and syrup, providing flexibility in dosing options for patients of different age groups. Zyrtec is an over-the-counter medication and is typically safe and effective when used as directed.


While Zyrtec is generally a safe medication, there are some contraindications to be aware of before taking it. Individuals who are allergic to cetirizine or any of the other ingredients in the formulation should avoid its use. Patients with severe liver impairment or kidney disease should consult their healthcare provider before using Zyrtec, as dosage adjustments may be necessary. Additionally, Zyrtec should not be taken by individuals who have a history of hypersensitivity or a known intolerance to other antihistamines.

Potential Side Effects

Like any medication, Zyrtec can cause side effects, although they are usually mild and transient. The most commonly reported side effects include drowsiness, dry mouth, sore throat, dizziness, and headache. These side effects are usually temporary and do not require medical attention. However, if any of these side effects persist or worsen, it is recommended to consult a healthcare professional. In rare cases, more severe side effects such as fast or irregular heartbeat, difficulty urinating, or severe allergic reactions may occur. If any of these occur, immediate medical attention should be sought.

How to Use

Zyrtec should be taken as directed by a healthcare professional or according to the instructions provided on the packaging. It can be taken with or without food. The recommended dosage may vary depending on the age and condition being treated, so it is important to follow the prescribed dose. If a dose is missed, it should be taken as soon as possible, unless it is nearing the time for the next scheduled dose. In such cases, the missed dose should be skipped to avoid doubling the dose. Taking more than the prescribed dose of Zyrtec can lead to an overdose, which may cause symptoms such as restlessness, irritability, confusion, drowsiness, rapid heartbeat, and seizures. In case of overdose, medical attention should be sought immediately.

Understanding Drug Interactions

Zyrtec may interact with certain medications, which can affect its efficacy or increase the risk of side effects. It is important to inform healthcare professionals about all the medications, supplements, and herbal products being used before starting Zyrtec. Some medications that may interact with Zyrtec include central nervous system depressants, such as sedatives or tranquilizers, as they can enhance the sedative effect of Zyrtec. Other drugs that may interact with Zyrtec include erythromycin, ketoconazole, and cimetidine. These interactions can alter the levels of Zyrtec in the body, potentially leading to unwanted effects or reduced efficacy.

Ask and Answer

  • Can Zyrtec be taken during pregnancy?

    Zyrtec should only be used during pregnancy if clearly needed. It is recommended to consult with a healthcare provider before using Zyrtec or any other medication during pregnancy.

  • Does Zyrtec cause drowsiness?

    While drowsiness is a potential side effect of Zyrtec, it is generally less likely to cause drowsiness compared to older antihistamines. However, individual responses may vary, and caution should be exercised when driving or operating machinery.

  • Can Zyrtec be given to children?

    Zyrtec is approved for use in children above 2 years of age. However, the dosage may differ depending on the age and weight of the child. It is important to consult with a healthcare provider for appropriate dosing instructions for children.

  • Can Zyrtec be taken with other allergy medications?

    It is generally safe to take Zyrtec with other allergy medications; however, it is recommended to consult a healthcare provider for proper guidance and to avoid potential drug interactions.

  • How long does it take for Zyrtec to start working?

    Zyrtec typically starts working within one hour after ingestion. However, the onset of action may vary among individuals, and it is important to follow the recommended dosage and allow sufficient time for the medication to take effect.


10mg, 5mg

Active ingredient


120 pills, 180 pills, 270 pills, 30 pills, 360 pills, 60 pills, 90 pills


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