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Cetirizine 5mg/5ml Oral Solution 200ml (Pinewood)

Cetirizine 5mg/5ml Oral Solution 200ml (Pinewood)

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  • ✔️ Relieves hay fever, hives, and allergic rhinitis symptoms effectively
  • ✔️ Sugar-free liquid — ideal for children aged 2 years and over
  • ✔️ Starts working within one hour of taking a dose
  • ✔️ Less drowsy formula compared to first-generation antihistamines
  • ✔️ Precise dosing with measuring device for accurate administration

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What Is Cetirizine Oral Solution and How Does It Help Allergies?

 

If you or your child struggles to swallow tablets, finding an effective allergy treatment can feel frustrating. That is where cetirizine oral solution comes in. Cetirizine 5mg/5ml Oral Solution 200ml by Pinewood is a sugar-free liquid antihistamine that relieves the symptoms of hay fever, allergic rhinitis, urticaria (hives), and other allergic conditions. It is available over the counter without a prescription, making it a convenient option for families and adults alike. You can browse our full range of allergy and hay fever treatments to find the right product for your needs.

Cetirizine hydrochloride is a well-established, second-generation antihistamine. Unlike older antihistamines, it is far less likely to cause significant sedation at standard doses, though some people may still feel mildly drowsy. The liquid formulation makes accurate dosing straightforward, particularly for younger children aged 2 years and over.

 

How Does Cetirizine 5mg/5ml Oral Solution Work?

 

Allergic reactions happen when your immune system overreacts to a harmless substance — pollen, pet dander, dust mites — and releases a chemical called histamine. Histamine then binds to receptors throughout your body, triggering the familiar symptoms: sneezing, itching, watery eyes, and a blocked or runny nose. Cetirizine works by selectively blocking these H1 histamine receptors, stopping histamine from causing that cascade of symptoms.

  • Cetirizine is absorbed quickly after oral administration, reaching peak plasma concentration within about one hour.
  • It selectively targets peripheral H1 receptors, meaning it acts mainly outside the brain — which is why it causes less drowsiness than first-generation antihistamines like chlorphenamine.
  • Its effects last up to 24 hours, supporting once-daily dosing in adults and children aged 12 and over.
  • It does not prevent the release of histamine; it simply blocks its action at receptor sites.

 

Who Should Use Cetirizine 5mg/5ml Oral Solution?

 

This liquid formulation is particularly well suited to people who find tablets difficult to swallow, including young children and some older adults. It is licensed for use in adults and children from the age of 2 years. If you are managing seasonal or perennial allergic rhinitis, or dealing with chronic urticaria, this product offers a practical, measured-dose solution.

  • Children aged 2–12 years who cannot swallow tablets
  • Adults who prefer a liquid formulation
  • People with hay fever, allergic rhinitis, or urticaria
  • Those with known sensitivity to airborne allergens such as pollen, dust mites, or animal dander

 

How Does Cetirizine Oral Solution Compare to Cetirizine Tablets?

 

Feature Cetirizine 5mg/5ml Oral Solution Cetirizine 10mg Tablets
Suitable age From 2 years Usually from 6 or 12 years (depending on brand)
Ease of use Ideal for children and those with swallowing difficulties Convenient for adults and older children
Dose flexibility Adjustable by volume — precise dosing for smaller children Fixed 10mg dose per tablet
Sugar content Sugar-free Typically sugar-free

 

Is Cetirizine Oral Solution Suitable for Long-Term Use?

 

Many people with perennial allergic rhinitis or chronic urticaria use cetirizine on an ongoing basis under the guidance of their GP or pharmacist. The NHS notes that cetirizine is generally well tolerated, and long-term use is considered safe for most people when taken at the recommended dose. That said, it is always worth reviewing your treatment periodically with a healthcare professional, especially if symptoms change or worsen. If you are also managing eye-related allergy symptoms, our eye care range includes products that may complement your allergy management plan.

Store the solution below 25°C, away from direct sunlight, and keep it out of the reach of children. Do not use after the expiry date printed on the label.

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.

Cetirizine 5mg/5ml Oral Solution 200ml (Pinewood) specifications
Treatment category Allergy & Hay Fever
Active ingredient Cetirizine hydrochloride 5mg per 5ml
Mechanism of action Selective H1 histamine receptor antagonist
Drug class Second-generation antihistamine
Preparation Oral solution (liquid)
Route of administration Oral
Strengths 5mg/5ml
Pack size 200ml
Suitable for Adults and children aged 2 years and over
UK classification P (Pharmacy medicine)
Effective for Hay fever, allergic rhinitis, urticaria (hives)

Specifications of Cetirizine 5mg/5ml Oral Solution 200ml (Pinewood)

 

What Is Cetirizine 5mg/5ml Oral Solution and What Is It Used For?

 

Cetirizine 5mg/5ml Oral Solution is an antihistamine medicine used to relieve the symptoms of allergic conditions. It contains cetirizine hydrochloride as its active ingredient and is used to treat:

  • Hay fever (seasonal allergic rhinitis) — sneezing, runny nose, itchy and watery eyes caused by pollen
  • Perennial allergic rhinitis — year-round symptoms triggered by dust mites, pet dander, or mould
  • Urticaria (hives) — itchy, raised welts on the skin caused by an allergic reaction
  • Other allergic skin conditions where histamine is involved

The liquid formulation is especially useful for children aged 2 to 12 years and for adults who have difficulty swallowing tablets. It is a pharmacy (P) medicine available without a prescription.

 

What Do You Need to Know Before Using Cetirizine Oral Solution?

 

Do not take this medicine if any of the following apply to you:

  • You are allergic to cetirizine hydrochloride, hydroxyzine, or any other ingredient in the solution
  • You have severe kidney disease (end-stage renal impairment)
  • Your child is under 2 years of age
  • You are pregnant or breastfeeding — speak to your GP or pharmacist first

Speak to your pharmacist or GP before using this medicine if you have kidney problems (a lower dose may be needed), epilepsy, or a condition that increases your risk of urinary retention. The NHS advises caution in people with renal impairment, as cetirizine is primarily excreted by the kidneys.

Drug interactions to be aware of:

  • Alcohol — increases the risk of drowsiness; avoid drinking alcohol while taking cetirizine
  • Other sedating medicines — including sleeping tablets, anxiety medicines, and some pain relievers
  • Theophylline — may slightly reduce the clearance of cetirizine
  • CNS depressants — combined use may increase sedation

 

How Should You Use Cetirizine 5mg/5ml Oral Solution?

 

  1. Shake the bottle gently before use if instructed on the label.
  2. Use the measuring device (oral syringe or measuring spoon) provided to measure the correct dose.
  3. Take the solution by mouth, with or without food.
  4. Take your dose at the same time each day to maintain consistent symptom control.
  5. Do not exceed the recommended daily dose for your age group.
Age Group Dose Frequency Maximum Daily Dose
Adults & children 12+ years 10ml (10mg) Once daily 10mg
Children 6–12 years 5ml (5mg) Twice daily 10mg
Children 2–6 years 2.5ml (2.5mg) Twice daily 5mg
Children under 2 years Not recommended

If you have kidney problems, your doctor may recommend a lower dose or less frequent dosing. Always follow the advice of your healthcare professional. For children with hay fever, you might also find our baby and toddler health range helpful for managing other childhood health needs alongside allergy treatment.

 

What Are the Possible Side Effects of Cetirizine 5mg/5ml Oral Solution?

 

Like all medicines, cetirizine can cause side effects, although not everyone gets them. Most side effects are mild and tend to resolve on their own.

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

  • Drowsiness or fatigue
  • Dry mouth
  • Headache
  • Dizziness
  • Gastrointestinal discomfort (nausea, stomach pain)

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

  • Agitation or restlessness (more common in children)
  • Paraesthesia (tingling or numbness)
  • Blurred vision
  • Difficulty passing urine
  • Skin rash or itching

Rarely, cetirizine can cause a serious allergic reaction (anaphylaxis). Signs include swelling of the face, lips, tongue or throat, difficulty breathing, or a sudden drop in blood pressure. If this happens, stop taking the medicine and call 999 immediately.

 

How Should You Store Cetirizine 5mg/5ml Oral Solution?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the bottle tightly closed when not in use
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the label or bottle
  • Do not dispose of medicines via wastewater or household waste — return unused medicine to your pharmacy

If you are managing multiple allergy symptoms, including skin reactions, our skin care range includes topical options that may help alongside oral antihistamine treatment.

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 oral solution online in the UK?

You can buy Cetirizine 5mg/5ml Oral Solution 200ml (Pinewood) directly from Cured Pharmacy online without a prescription. It is a pharmacy (P) medicine available over the counter, and we offer fast UK delivery to your door. Browse our full allergy and hay fever collection for related products too.

How does cetirizine oral solution work in the body?

Cetirizine is a second-generation antihistamine that works by selectively blocking H1 histamine receptors throughout the body. When you are exposed to an allergen such as pollen or pet dander, your immune system releases histamine — cetirizine prevents histamine from binding to its receptors, which stops the allergic response in its tracks. This reduces symptoms like sneezing, itching, a runny nose, and watery eyes.

What is the correct dose of cetirizine liquid for a child aged 2 to 6 years?

For children aged 2 to 6 years, the recommended dose is 2.5ml (equivalent to 2.5mg of cetirizine) taken twice daily, giving a maximum daily dose of 5mg. Always use the measuring device provided with the bottle to ensure accuracy. If you are unsure about the correct dose for your child, speak to your pharmacist before giving the medicine.

Can adults take cetirizine 5mg/5ml oral solution?

Yes, adults can absolutely take cetirizine oral solution — it is not just for children. The standard adult dose is 10ml (10mg) taken once daily. The liquid form is particularly useful for adults who have difficulty swallowing tablets or capsules, and it works just as effectively as the tablet formulation.

How long does cetirizine oral solution take to work?

Cetirizine typically begins to work within one hour of taking a dose, as it is absorbed relatively quickly from the gastrointestinal tract. The effects can last for up to 24 hours, which is why adults and children aged 12 and over only need to take it once a day. For best results during hay fever season, some people find it helpful to take it regularly rather than only when symptoms flare.

Is cetirizine 5mg/5ml oral solution sugar-free?

Yes, the Pinewood Cetirizine 5mg/5ml Oral Solution is sugar-free, which makes it suitable for people with diabetes or those who need to limit their sugar intake. It is also worth checking the patient information leaflet for the full list of excipients if you or your child has any known food sensitivities or intolerances. Always read the label carefully before use.

Can I give cetirizine liquid to a child under 2 years old?

No — cetirizine oral solution is not recommended for children under 2 years of age. If your infant or very young toddler is experiencing allergy symptoms, you should consult your GP before giving any antihistamine medicine. There are age-appropriate treatments available, and your doctor will be able to advise on the safest option for your child's age and weight.

What are the most common side effects of cetirizine oral solution?

The most commonly reported side effects of cetirizine include drowsiness, dry mouth, headache, dizziness, and mild gastrointestinal discomfort such as nausea. Most of these are mild and tend to resolve without any treatment. If you find drowsiness is a problem, try taking your dose in the evening rather than the morning.

Can I drink alcohol while taking cetirizine oral solution?

It is advisable to avoid alcohol while taking cetirizine, as alcohol can increase the risk and severity of drowsiness. Even though cetirizine is a second-generation antihistamine and less sedating than older alternatives, combining it with alcohol may still impair your ability to drive or operate machinery safely. The NHS recommends caution with alcohol during antihistamine treatment.

What happens if I miss a dose of cetirizine oral solution?

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 dose and carry on as normal. Never take a double dose to make up for a forgotten one. Missing an occasional dose is unlikely to cause any harm, but consistent daily use tends to give the best symptom control during allergy season.

Is cetirizine oral solution safe to use during pregnancy?

Cetirizine is not generally recommended during pregnancy, particularly in the first trimester, unless your doctor has specifically advised it. If you are pregnant or planning to become pregnant and are struggling with allergy symptoms, speak to your GP or midwife before taking any antihistamine. They can help you weigh up the risks and benefits and suggest the most appropriate treatment for your situation.

How long can you take cetirizine oral solution for?

For seasonal hay fever, cetirizine is typically taken throughout the pollen season — usually spring and summer in the UK. For perennial allergic rhinitis or chronic urticaria, some people take it on a longer-term basis under the guidance of their GP. It is generally considered safe for extended use at the recommended dose, but it is good practice to review your treatment with a healthcare professional periodically.

What are the alternatives to cetirizine oral solution for hay fever?

Other second-generation antihistamines available in the UK include loratadine and fexofenadine, both of which are also non-drowsy options for hay fever and allergic rhinitis. Loratadine is also available as a liquid for children. If antihistamines alone are not controlling your symptoms, your GP may recommend a nasal corticosteroid spray or refer you for allergy testing. You can explore our wider allergy and hay fever range for additional options.

Does cetirizine oral solution interact with any other medicines?

Cetirizine can interact with alcohol, other sedating medicines (such as sleeping tablets or anxiety medicines), and theophylline, which may slightly reduce cetirizine clearance from the body. It is important to tell your pharmacist about all medicines you are currently taking — including herbal remedies and supplements — before starting cetirizine. This helps ensure there are no clinically significant interactions to be aware of.

What is the latest research on cetirizine for allergic conditions?

Cetirizine has been extensively studied since its introduction and remains one of the most widely recommended second-generation antihistamines in clinical guidelines. Research continues to support its efficacy and safety profile for allergic rhinitis and chronic urticaria in both adults and children. Current NHS and NICE guidance endorses cetirizine as a first-line treatment option for these conditions, reflecting decades of real-world evidence and clinical trial data.

How Should You Use Cetirizine 5mg/5ml Oral Solution?

Always use this medicine exactly as described in the patient information leaflet or as directed by your pharmacist. Before giving the solution to a child, make sure you have the correct measuring device — never use a household teaspoon, as this will not give an accurate dose.

If you are giving this medicine to a child, always double-check the dose against the child's age before administering. If you are unsure, ask your pharmacist for guidance before use.

What Is the Correct Dose of Cetirizine 5mg/5ml Oral Solution?

The dose depends on the age of the person taking the medicine. Do not exceed the maximum daily dose for any age group. If you have kidney problems, your doctor may advise a reduced dose or less frequent dosing schedule.

When Is the Best Time to Use Cetirizine 5mg/5ml Oral Solution?

For adults and children aged 12 and over taking a once-daily dose, cetirizine can be taken at any time of day — morning or evening. However, if you find it makes you feel drowsy, taking it in the evening before bed may be more practical and help you avoid daytime sleepiness. For children taking twice-daily doses, spacing the doses approximately 12 hours apart (for example, morning and evening) helps maintain consistent levels of the medicine in the body throughout the day.

Cetirizine can be taken with or without food, so there is no need to plan doses around mealtimes. Consistency is key — try to take it at the same time each day for the best symptom control.

How Long Can You Use Cetirizine 5mg/5ml Oral Solution For?

For seasonal hay fever, you can use cetirizine throughout the relevant pollen season, which in the UK typically runs from late March through to September depending on the type of pollen you are sensitive to. For perennial allergic rhinitis or chronic urticaria, longer-term use may be appropriate under the guidance of your GP or pharmacist.

If your symptoms do not improve after a few days of treatment, or if they worsen at any point, stop using the medicine and consult your pharmacist or GP. 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 5mg/5ml Oral Solution?

Most people tolerate cetirizine well, but like all medicines, it can cause side effects in some people. Common side effects are generally mild and often resolve on their own without any need to stop treatment.

  • Drowsiness or fatigue — particularly at higher doses
  • Dry mouth
  • Headache
  • Dizziness
  • Nausea or stomach discomfort

If drowsiness is a problem for you, try taking your dose in the evening. Staying well hydrated can also help with dry mouth.

What Are the Less Common Side Effects of Cetirizine 5mg/5ml Oral Solution?

Less common side effects occur in fewer people but are still worth being aware of, particularly if you are giving this medicine to a child. If any of the following persist or concern you, speak to your pharmacist or GP.

  • Agitation or restlessness — more commonly reported in children
  • Paraesthesia (tingling or pins and needles)
  • Blurred vision
  • Difficulty passing urine (urinary retention)
  • Skin rash or itching unrelated to the original allergic condition
  • Palpitations
  • Abnormal liver function (very rare)

What Are the Serious Side Effects of Cetirizine 5mg/5ml Oral Solution?

Serious side effects from cetirizine are rare but can occur. The most significant risk is a severe allergic reaction (anaphylaxis) to the medicine itself. This is uncommon but requires immediate medical attention.

Signs of a serious allergic reaction include sudden swelling of the face, lips, tongue, or throat, difficulty breathing or swallowing, a rapid or irregular heartbeat, or a sudden drop in blood pressure causing dizziness or collapse. If you or your child experiences any of these symptoms after taking cetirizine, stop the medicine immediately and call 999.

What Should You Do If You Experience Side Effects of Cetirizine?

For mild side effects such as drowsiness or dry mouth, no specific treatment is usually needed — they often improve as your body adjusts to the medicine. If side effects are troublesome or do not resolve, speak to your pharmacist, who may suggest an alternative antihistamine or a different dosing time.

You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps the MHRA monitor the safety of medicines used in the UK and is particularly encouraged for side effects in children.

Can Cetirizine Oral Solution Interact With Other Medicines?

Yes, cetirizine can interact with certain other medicines and substances. The most clinically relevant interactions include alcohol (which increases sedation), other CNS depressants such as sleeping tablets or anxiety medicines, and theophylline, which may slightly reduce the rate at which cetirizine is cleared from the body. Always inform your pharmacist of all medicines, supplements, and herbal remedies you are taking before starting cetirizine.

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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