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Allergy & Hayfever Relief Cetirizine -30 Tablets

Allergy & Hayfever Relief Cetirizine -30 Tablets

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  • ✔️ Relieves hayfever sneezing, itching, and runny nose fast
  • ✔️ Once-daily 10mg dose controls allergy symptoms for 24 hours
  • ✔️ Second-generation antihistamine — less likely to cause drowsiness
  • ✔️ Suitable for adults and children aged 6 years and over
  • ✔️ Effective against pollen, dust mites, pet dander, and urticaria

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What Are Cetirizine Hayfever Tablets and How Do They Help?

 

If sneezing fits, itchy eyes, and a constantly runny nose are making your day miserable, you are far from alone. Hayfever affects roughly one in five people in the UK, and allergic reactions to dust mites, pet dander, and mould can cause similar misery year-round. Cetirizine hayfever tablets from Cured Pharmacy offer a straightforward, affordable way to get on top of those symptoms — 30 tablets for just £1.49. Each tablet contains cetirizine hydrochloride 10mg, a well-established second-generation antihistamine that is widely recommended by pharmacists and GPs alike. You can browse our full range of treatments in our allergy and hay fever collection if you need additional support alongside your tablets.

Cetirizine is classified as a Pharmacy (P) medicine in the UK, meaning it is available without a prescription but should be purchased from a registered pharmacy. Cured Pharmacy is GPhC-registered, so you can order with confidence knowing your medicine is sourced and dispensed responsibly.

 

How Do Cetirizine Tablets Work to Relieve Allergy Symptoms?

 

Understanding how a medicine works can help you use it more effectively. Cetirizine belongs to the antihistamine drug class and works by targeting the root cause of your allergic symptoms — histamine. When your immune system encounters an allergen (pollen, for example), it triggers the release of histamine, a chemical that binds to H1 receptors throughout your body and causes the familiar cascade of sneezing, itching, and inflammation.

  • Cetirizine selectively blocks peripheral H1 histamine receptors, preventing histamine from binding.
  • Because it is a second-generation antihistamine, it crosses the blood-brain barrier far less readily than older antihistamines, making drowsiness less likely.
  • Onset of action is typically within one hour of taking a dose.
  • A single 10mg dose provides symptom relief for up to 24 hours, so once-daily dosing is usually sufficient.

It is worth noting that cetirizine relieves symptoms — it does not cure the underlying allergy. Taking it consistently during your trigger season tends to give better results than waiting until symptoms are already severe.

 

Who Is Suitable for Cetirizine Allergy Tablets?

 

These tablets are suitable for a wide range of people dealing with allergic conditions. They are particularly useful if you experience seasonal or perennial symptoms and want a once-daily option that fits easily into your routine.

  • Adults and children aged 6 years and over
  • People with hayfever (seasonal allergic rhinitis)
  • Those with perennial allergic rhinitis triggered by dust mites, pet hair, or mould
  • Individuals experiencing urticaria (hives) or itchy skin rashes linked to allergic reactions

Cetirizine is not suitable for everyone. People with severe kidney impairment, known hypersensitivity to cetirizine or hydroxyzine, or those taking certain other medicines should seek advice before use. Children under 6 years should not use this product.

 

How Do Cetirizine Tablets Compare to Other Antihistamines?

 

Feature Cetirizine 10mg (This Product) Loratadine 10mg
Generation Second-generation antihistamine Second-generation antihistamine
Dosing frequency Once daily Once daily
Drowsiness risk Low (may cause mild drowsiness in some) Very low (considered non-drowsy)
Suitable age 6 years and over 2 years and over (syrup form)
Onset of action Within 1 hour Within 1–3 hours

 

How Should You Store Cetirizine Tablets and Are They Right for You?

 

Store your cetirizine hayfever tablets below 25°C in a dry place, away from direct sunlight. Keep them out of reach and sight of children. Do not use the tablets after the expiry date printed on the packaging. If you are unsure whether this product is right for your situation — for example, if you have kidney disease, epilepsy, or are taking sedative medicines — speak to your pharmacist before starting treatment. If you also suffer from eye-related allergy symptoms such as itchy or watery eyes, you may find it helpful to explore our eye care collection for complementary relief options.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Allergy & Hayfever Relief Cetirizine 30 Tablets specifications
Treatment category Allergy & Hayfever Relief
Mechanism of action Selective peripheral H1 histamine receptor antagonist
Effective for Hayfever, allergic rhinitis, urticaria
Suitable for Adults and children aged 6 years and over
Active ingredient Cetirizine hydrochloride 10mg
Pack size 30 tablets
Strength 10mg
UK classification Pharmacy (P) medicine
Drug class Second-generation antihistamine
Preparation Film-coated tablet
Route of administration Oral

Specifications of Allergy & Hayfever Relief Cetirizine 30 Tablets

 

What Is Cetirizine and What Is It Used For?

 

Cured Pharmacy Allergy & Hayfever Relief Cetirizine 30 Tablets contain cetirizine hydrochloride 10mg as the active ingredient. Cetirizine is a second-generation antihistamine used to relieve the symptoms of allergic conditions. It is indicated for:

  • Seasonal allergic rhinitis (hayfever) — sneezing, runny nose, itchy and watery eyes caused by pollen
  • Perennial allergic rhinitis — year-round nasal symptoms triggered by dust mites, pet dander, or mould
  • Urticaria (hives) — itchy, raised skin welts caused by an allergic reaction

Cetirizine does not cure allergies. It manages symptoms by blocking the action of histamine, the chemical your body releases during an allergic response. It is available over the counter in the UK for adults and children aged 6 and over.

 

What Do You Need to Know Before Taking Cetirizine Tablets?

 

Before taking cetirizine, read the following carefully. Do not take this medicine if any of the contraindications apply to you.

Do not take cetirizine if you:

  • Are allergic to cetirizine hydrochloride, hydroxyzine, or any other ingredient in the tablet
  • Have severe kidney (renal) impairment
  • Are under 6 years of age

Speak to your pharmacist or GP before taking cetirizine if you:

  • Have moderate kidney impairment (your dose may need to be reduced)
  • Have epilepsy or a history of seizures
  • Are pregnant or breastfeeding
  • Have difficulty passing urine (e.g. due to spinal cord problems or prostate enlargement)

Known drug interactions — cetirizine may interact with:

  • Alcohol — increases the risk of drowsiness and impaired reactions
  • Other CNS depressants (e.g. sedatives, sleeping tablets, anxiolytics) — additive sedative effect
  • Cimetidine — may slightly increase cetirizine blood levels
  • Ritonavir — may increase cetirizine exposure

 

How Should You Take Cetirizine Tablets Correctly?

 

Always take cetirizine exactly as described in this leaflet or as directed by your pharmacist. Swallow the tablet whole with a glass of water. It can be taken with or without food.

  1. Check you are not allergic to any of the ingredients before taking your first dose.
  2. Take one tablet (10mg) once daily for adults and children aged 12 and over.
  3. For children aged 6–11, give half a tablet (5mg) twice daily, morning and evening.
  4. Do not crush or chew the tablet — swallow it whole.
  5. Take at the same time each day to maintain consistent symptom control.
  6. Do not exceed the stated dose.
Indication Age Group Dose Frequency
Hayfever / Allergic rhinitis / Urticaria Adults & children 12+ 10mg (1 tablet) Once daily
Hayfever / Allergic rhinitis / Urticaria Children 6–11 years 5mg (½ tablet) Twice daily
Renal impairment (moderate) Adults 5mg (½ tablet) Once daily — seek medical advice

 

What Are the Possible Side Effects of Cetirizine?

 

Like all medicines, cetirizine can cause side effects, although not everyone gets them. Most side effects are mild and resolve on their own. If you experience any side effect that concerns you, stop taking the tablets and speak to your pharmacist or GP.

Common side effects (may affect up to 1 in 10 people):

  • Drowsiness or fatigue
  • Dry mouth
  • Headache
  • Dizziness
  • Nausea or stomach discomfort

Less common side effects (may affect up to 1 in 100 people):

  • Agitation or restlessness
  • Paraesthesia (tingling or pins and needles)
  • Blurred vision
  • Difficulty urinating
  • Skin rash or itching

Rarely, cetirizine can cause a serious allergic reaction (anaphylaxis). Seek emergency medical help immediately if you develop swelling of the face, lips, tongue or throat, difficulty breathing, or a sudden severe rash. If you also experience cold or flu-like symptoms alongside your allergy, our cold and flu collection may offer additional support.

 

How Should You Store Cetirizine Tablets Safely?

 

  • Store below 25°C in a dry place, away from direct heat and sunlight.
  • Keep the tablets in their original blister packaging until use.
  • Keep out of the sight and reach of children.
  • Do not use after the expiry date printed on the pack.
  • Do not dispose of medicines via wastewater or household waste — return unused tablets to your pharmacy for safe disposal.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy cetirizine hayfever tablets online in the UK?

You can buy Cured Pharmacy Allergy & Hayfever Relief Cetirizine 30 Tablets directly from our allergy and hay fever collection for just £1.49. No prescription is required, as cetirizine 10mg is a Pharmacy (P) medicine available over the counter in the UK. Ordering online from a GPhC-registered pharmacy like Cured Pharmacy means you can get your tablets delivered quickly and conveniently to your door.

How does cetirizine work in the body?

Cetirizine is a second-generation antihistamine that selectively blocks H1 histamine receptors in the body, preventing histamine from triggering the allergic response. When you encounter an allergen such as pollen or pet dander, your immune system releases histamine — cetirizine stops that histamine from binding to receptors and causing symptoms like sneezing, itching, and a runny nose. It begins working within approximately one hour and provides relief for up to 24 hours from a single dose.

How do I take cetirizine tablets step by step?

Adults and children aged 12 and over should take one 10mg tablet once daily, swallowed whole with a glass of water. Children aged 6–11 should take half a tablet (5mg) twice daily — morning and evening. The tablet can be taken with or without food, and it is best to take it at the same time each day for consistent symptom control.

What is the best time of day to take cetirizine for hayfever?

There is no single "best" time — consistency matters more than timing. However, if you find cetirizine makes you feel slightly drowsy, taking it in the evening before bed can be a practical approach. If you need daytime alertness and find morning dosing works better for your routine, that is equally acceptable as long as you take it at the same time each day.

What are the most common side effects of cetirizine tablets?

The most commonly reported side effects include drowsiness, dry mouth, headache, dizziness, and mild nausea. Most people tolerate cetirizine well, and these effects are generally mild and short-lived. If drowsiness is a concern, avoid driving or operating heavy machinery until you know how the medicine affects you.

How do I manage side effects from cetirizine?

For dry mouth, sipping water regularly or chewing sugar-free gum can help. If drowsiness is an issue, try switching to an evening dose and avoid alcohol, which can worsen sedation. If side effects are persistent or troublesome, speak to your pharmacist — they may suggest an alternative antihistamine that suits you better.

Who is eligible to take cetirizine 10mg tablets?

Cetirizine 10mg tablets are suitable for adults and children aged 6 years and over who experience hayfever, allergic rhinitis, or urticaria. They are not suitable for children under 6, people with severe kidney impairment, or those with a known allergy to cetirizine or hydroxyzine. If you have a pre-existing medical condition or take regular medicines, check with your pharmacist before starting.

What happens if I miss a dose of cetirizine?

If you miss a dose, take it as soon as you remember — unless it is nearly time for your next dose, in which case simply skip the missed one and continue as normal. Never take a double dose to make up for a missed one. Missing an occasional dose is unlikely to cause any harm, but consistent daily use gives the best symptom control during allergy season.

Is cetirizine safe for children?

Yes, cetirizine 10mg tablets are suitable for children aged 6 and over. Children aged 6–11 should take 5mg (half a tablet) twice daily, while those aged 12 and over can take the full 10mg adult dose once daily. Always supervise children when taking any medicine, and do not give these tablets to children under 6 years of age.

Can I take cetirizine if I am pregnant or breastfeeding?

You should speak to your GP or pharmacist before taking cetirizine if you are pregnant or breastfeeding. While cetirizine is not known to be harmful, its use during pregnancy and breastfeeding requires a professional assessment of the potential risks and benefits for you and your baby. Do not self-medicate without seeking advice first.

What are the alternatives to cetirizine for hayfever?

Common OTC alternatives include loratadine and fexofenadine, both second-generation antihistamines available without a prescription in the UK. Loratadine is often considered the least sedating option, while fexofenadine is another non-drowsy choice. Your pharmacist can help you decide which antihistamine is most appropriate based on your symptoms, age, and any other medicines you take. You can explore our full allergy and hay fever range for more options.

How long can I take cetirizine for?

For seasonal hayfever, cetirizine is typically taken throughout the pollen season, which in the UK usually runs from late March to September depending on which pollens trigger your symptoms. For perennial allergic rhinitis or chronic urticaria, longer-term use may be appropriate under pharmacist or GP guidance. If you have been taking cetirizine for more than a few weeks without improvement, seek professional advice.

Can cetirizine interact with other medicines I am taking?

Cetirizine can interact with alcohol, sedatives, sleeping tablets, and certain antiviral medicines such as ritonavir. Cimetidine (used for indigestion) may also slightly increase cetirizine levels in the blood. Always tell your pharmacist about all medicines, supplements, and herbal remedies you are taking before starting cetirizine.

What are the latest findings on cetirizine for allergy relief?

Cetirizine has been in clinical use for over 30 years and remains one of the most studied antihistamines available. Current evidence consistently supports its efficacy and safety for allergic rhinitis and urticaria in adults and children aged 6 and over, as reflected in NHS and NICE guidance. No significant new safety concerns have emerged in recent years, and it continues to be a first-line recommendation for hayfever management.

Can I take cetirizine and use eye drops for hayfever at the same time?

Yes, cetirizine tablets and antihistamine or sodium cromoglicate eye drops can generally be used together to manage both nasal and eye symptoms of hayfever. Using both can provide more targeted relief — the tablet addresses systemic symptoms while eye drops work locally. Browse our eye care collection for suitable options, and check with your pharmacist if you are unsure about combining products.

How Should You Use Cetirizine Allergy Tablets?

Using cetirizine correctly gives you the best chance of keeping allergy symptoms under control throughout the day. The tablet is taken orally — swallowed whole with a full glass of water. You do not need to take it with food, though doing so may help if you find it causes any mild stomach discomfort. Follow these steps each time you take a dose:

What Is the Correct Dose of Cetirizine Tablets?

The dose depends on your age and the condition being treated. Always follow the dosage instructions on the pack or as directed by your pharmacist. Never exceed the recommended daily dose — taking more will not improve symptom relief and may increase the risk of side effects.

When Is the Best Time to Take Cetirizine Tablets?

Cetirizine can be taken at any time of day, with or without food. Consistency is the key — taking it at the same time each day helps maintain a steady level of the medicine in your body, which means more reliable symptom control. If you notice any drowsiness after taking your tablet, switching to an evening dose before bed is a sensible approach. This way, any sedative effect occurs while you sleep rather than during your working day.

For hayfever sufferers, starting cetirizine a few days before your known trigger season begins — rather than waiting for symptoms to flare — can help keep the allergic response in check from the outset.

How Long Can You Take Cetirizine Tablets For?

For seasonal hayfever, cetirizine is typically used for the duration of the pollen season, which in the UK generally runs from late March through to September, though this varies depending on which pollens affect you. For perennial allergic rhinitis or chronic urticaria, longer-term use may be appropriate under the guidance of your pharmacist or GP. If your symptoms have not improved after a few weeks of regular use, or if they worsen at any point, seek professional advice rather than continuing to self-treat.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Cetirizine Tablets?

Most people who take cetirizine tolerate it well, but like all medicines it can cause side effects in some individuals. Common side effects — those affecting up to 1 in 10 people — are generally mild and often resolve without any need to stop treatment.

  • Drowsiness or fatigue
  • Dry mouth
  • Headache
  • Dizziness
  • Nausea or abdominal discomfort

What Are the Less Common Side Effects of Cetirizine?

Less common side effects affect up to 1 in 100 people. These are worth being aware of, particularly if you are taking cetirizine for the first time or have recently increased your dose.

  • Agitation or restlessness
  • Paraesthesia (tingling or pins and needles)
  • Blurred vision
  • Difficulty urinating (urinary retention)
  • Skin rash or pruritus (itching)
  • Palpitations
  • Oedema (swelling)

What Are the Serious Side Effects of Cetirizine?

Serious side effects are rare but require immediate medical attention. A severe allergic reaction (anaphylaxis) to cetirizine itself is uncommon but possible. Seek emergency help — call 999 or go to your nearest A&E — if you experience any of the following after taking cetirizine:

  • Sudden swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • A sudden, widespread skin rash with blistering
  • Collapse or loss of consciousness

Liver problems have been reported very rarely. Tell your doctor promptly if you develop yellowing of the skin or eyes (jaundice), dark urine, or persistent upper abdominal pain.

What Should You Do If You Experience Side Effects?

If you experience drowsiness, avoid driving, cycling, or operating machinery until you know how cetirizine affects you. Alcohol significantly worsens sedation — avoid it while taking this medicine. For dry mouth, sipping water regularly or using sugar-free gum can provide relief. If any side effect is persistent, worsening, or causing you concern, stop taking the tablets and speak to your pharmacist or GP as soon as possible. You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Cetirizine Interact With Other Medicines?

Yes. Cetirizine can interact with several medicines and substances, potentially increasing side effects or altering how the medicine works. Always inform your pharmacist of everything you are currently taking — including prescription medicines, OTC products, and herbal supplements — before starting cetirizine.

  • Alcohol — increases drowsiness and impairs reaction time
  • Sedatives, sleeping tablets, or anxiolytics — additive CNS depressant effect
  • Cimetidine — may increase cetirizine plasma levels slightly
  • Ritonavir — may increase cetirizine exposure

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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