Cetirizine Allergy and Hayfever Relief 5mg/5ml Oral Solution – 200ml

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Olivia Appleton - Medical Content Writer
Olivia Appleton
James O'Loan - CEO & Superintendent Pharmacist
James O'Loan
CEO & Superintendent Pharmacist
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What is Cetirizine Allergy and Hay Fever Relief?

Cetirizine Allergy and Hayfever Relief oral solution is an easy-to-administer solution to ease symptoms of hay fever and other allergies. It contains the active ingredient Cetirizine which can be used to treat a range of symptoms including:

  • Hay fever

  • Hives

  • Reactions to insect bites and stings

  • Some food allergies 

The syrup formula is the perfect alternative for those who have difficulty swallowing tablets and is easy to administer to children. If you’re looking for an easy and effective solution to irritating hay fever and allergy symptoms, Cetirizine Allergy and Hay Fever relief oral suspension could be the ideal product for you. 

What is Hay Fever?

Hay fever is an allergic reaction to pollen when it comes into contact with your mouth, nose, eyes and throat. It is typically worse from late March until September, when the pollen count is usually at its highest. It can cause a variety of uncomfortable symptoms including:

  • Sneezing

  • Coughing

  • A runny or blocked nose

  • Itchy, red or watery eyes

  • Itchy mouth, throat, nose and ears

  • Loss of smell

  • Headache and pain around your temples and forehead

  • Earache

  • Fatigue (feeling tired)

If you suffer from asthma, you may also experience:

  • Tightness in your chest

  • Shortness of breath

  • Wheezing

  • Coughing

Hay fever or cold?

Hay fever is an allergic reaction to pollen, which can cause sneezing, watery eyes and a blocked nose, which is similar to some of the symptoms experienced when you are suffering from a cold. A common cold is caused by a viral infection that can be experienced at any time in the year, including the summer, so it can be tricky to identify if you’re suffering with a cold or hay fever. The key differences between the two include:

  • A cold usually lasts for a couple of weeks, whereas hay fever can last for months and be more severe on days when the pollen count is high

  • If you have a cold you won’t experience itching in your eyes or ears, like you will with hay fever 

  • You may experience a raised temperature, aching muscles and a sore throat, which are not symptoms of hay fever. 


How can Cetirizine help to relieve symptoms of Hay Fever?

Cetirizine Syrup contains the active ingredient Cetirizine Hydrochloride which belongs to a group of medicines known as antihistamines, which works by counteracting the effects of histamine which cause the typical symptoms experienced during an allergic reaction. Histamine is a chemical that our bodies release when our bodies detect something harmful, such as an infection. Histamine causes blood vessels to expand and the skin to swell, which helps to protect our bodies from harmful substances. When our immune system mistakes a substance, as something that is harmful, it releases histamine to try and protect our bodies from the substance. Histamine will tend to affect our eyes, nose, lungs, skin, throat and gastrointestinal tract, causing the symptoms we associate with allergies. Antihistamines, such as Cetirizine, help by blocking the action of histamines, which stops the symptoms of an allergic reaction. The syrup formula is easy and quick to administer, for fast-acting relief. 


How to take Cetirizine Hydrochloride Syrup

Always take this medicine as exactly as described by your doctor or a Chemist4U pharmacist and always read the label BEFORE using Cetirizine. Cetirizine should only be taken orally and is only suitable for the elderly, adults and children over the age of 2. 

Cetirizine dosage

  • Adults, the elderly and children aged 12 years and above -2 x 5ml spoonfuls taken once per day - maximum dose = 10mg daily

  • Children aged 6 to 11 - Either 2 x 5ml spoonfuls once daily or 1 x 5ml spoonful twice daily - maximum 10mg daily

  • Children aged 2 to 5 years - Either 1 x 5ml spoonful once daily or 1 x 2.5ml spoonful twice daily - to a maximum of 5 mg daily.

Cetirizine side effects

Like all medicines, Cetirizine Hydrochloride can cause side effects, although not everybody will experience them. 

Common side effects include:

  • Somnolence (cleepiness) 

  • Diarrhoea

  • Nausea

  • Dry mouth

  • Fatigue

There are a range of side effects that are uncommon or rare that can be caused by taking cetirizine, so read the patient information leaflet BEFORE taking this product. 

When NOT to use this product 

Do not take this product if you are allergic to the ingredients or if you:

  • Are breast-feeding, as cetirizine hydrochloride can pass into breast milk

  • Have severe kidney failure 

Take special care and seek advice from your GP or a Chemist4U pharmacist BEFORE taking this product if:

  • You have kidney problems - your dose should be adjusted on recommendation from your doctor

  • You have problems passing urine - seek advice from your GP

  • You are pregnant

  • You suffer from epilepsy or are at risk of convulsions

  • You have hereditary intolerance to some sugars

  • Your symptoms persist, you should get advice from your doctor or pharmacist

  • You are due to have an allergy test - this medicine could affect your allergy test result

Can you take other medicines with Cetirizine?

Seek advice from your doctor or a Chemist4U pharmacist, if you are taking or have recently taken any other medicines, including medicines you have obtained without a prescription Ensure you seek advice from your GP if you are taking a medicine called theophylline which is taken for some heart conditions or breathing disorders such as asthma or bronchitis or medicines known as central nervous system depressants.

Important information 

This product is a medicine; make sure to speak to your doctor or Chemist 4 U pharmacist before taking this product if you have an underlying medical problem or are taking any other medicine or complementary therapy. If your symptoms get worse or continue after taking this product, contact us or your doctor. For medical services in your area, please refer to https://www.nhs.uk

If you are pregnant, trying to become pregnant, or breastfeeding, speak to your doctor or our pharmacist before taking this product. If you suffer from any allergies, ask your doctor or our pharmacist if this medicine is right for you.

Store all medicines out of sight and reach of children.

Please read the included leaflet carefully before using this product.

Please contact your GP if appropriate regarding this product.


Helpful Advice on Medication Restrictions & Addiction

For further information on our medication restrictions policy, please click here.

If you are concerned about addiction to 'over the counter' medication, we urge you to visit the below links for professional help and advice:


  • The active ingredient is cetirizine hydrochloride: 5 mg in each 5 ml of solution. 

    The other ingredients are: liquid sorbitol (E420), glycerol, propylene glycol, sodium acetate, acetic acid, saccharin sodium, methyl parahydroxybenzoate (E218), propyl parahydroxybenzoate (E216), banana flavour and purified water.

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Cetirizine Allergy and Hayfever Relief 5mg/5ml Oral Solution – 200ml Reviews

Paul Hooton,
Cheapest I could find
Ms Izzy Harris,
Helps with my IC flare ups
Alexander Acraman,
This antihistamine seems to help with eczema symptom
Shelina Fosberry,
Excellent product are you on that works for my daughter
Mrs Heidi Gates,
Fantastic treatment for hayfever on young children. Non drowsy