from
£1.45
Cetirizine tablets relieve symptoms of hay fever and allergy for up to 24 hours. The active ingredients cetirizine hydrochloride or cetirizine dihydrochloride can also be found in branded medication such as benadryl and piriteze, which are usually more expensive.
Name & Dosage | x30 Tablets (1 Month) |
x60 Tablets (2 Months) |
x90 Tablets (3 Months) |
x180 Tablets (6 Months) |
---|---|---|---|---|
Cetirizine 10mg Tablets (1 Month) |
£1.45 | |||
Cetirizine 10mg Tablets (2 Months) |
£2.89 | |||
Cetirizine 10mg Tablets (3 Months) |
£4.29 | |||
Cetirizine 10mg Tablets (6 Months) |
£8.49 | |||
Cetirizine 10mg (Teva Brand) Tablets (1 Month) |
£3.45 | |||
Cetirizine 10mg (Teva Brand) Tablets (2 Months) |
£4.89 | |||
Cetirizine 10mg (Teva Brand) Tablets (3 Months) |
£6.29 | |||
Medication class | Non-drowsy antihistamine |
---|---|
Mechanism of action | Stops histamine release |
Active ingredient | Cetirizine hydrochloride / cetirizine dihydrochloride |
Strength | 10mg |
Effective within | 20-60 minutes |
Dosage instructions | Take one tablet daily |
Manufacturer | Allacan, Piriteze, Bell’s healthcare, Teva, Galpharm, Crescent, Relonchem |
Use with alcohol | In moderation |
Cetirizine is a non-drowsy antihistamine tablet, which is used to treat symptoms of hay fever and allergy. It works by blocking the release of histamine, a chemical released by the body in response to an allergy.
Cetirizine is used to treat symptoms of hay fever (allergic rhinitis) and allergy. Symptoms that cetirizine can help to treat include:
It takes around 20-60 minutes for cetirizine to start working, with the effects lasting for up to 24 hours.
Tip: For long term allergies such as hay fever, start taking cetirizine for 2 weeks before exposure.
The maximum dose of cetirizine in 24 hours in one 10mg tablet. Taking more than this is considered an overdose. Do not take more than one tablet daily.
Active ingredients: Cetirizine hydrochloride or cetirizine dihydrochloride (10mg)
Inactive ingredients: Lactose, maize starch, microcrystalline cellulose, colloidal anhydrous silica, talc magnesium stearate, hypromellose, sodium citrate, titanium dioxide (E171) and macrogol 4000.
Note: Whilst the active ingredients will remain the same, there may be differences within the inactive ingredients. Read the patient information for a full list of ingredients.
Cetirizine is a non-drowsy antihistamine; however, drowsiness is a side effect which can affect up to 10% of users.
Tip: If you are taking cetirizine for the first time, take a tablet at night to assess your response.
Drinking alcohol while taking cetirizine can make you feel very drowsy.
Take one tablet daily (with or without food).
Tip: It does not matter what time of day you take cetirizine, as the effects will build up over time. However, it is advisable to take cetirizine at night, in case you experience drowsiness.
Note: Liquid cetirizine is available for children. You should read the patient information leaflet for a dosing chart, which will depend on the age or weight of the child.
Like all medication, cetirizine can cause side effects. Side effects of cetirizine include:
Common (affecting up to 10% of users):
Uncommon (affecting up to 1% users):
Seek medical attention if you experience signs of an allergic reaction such as:
Do not take cetirizine if:
Speak to your doctor or pharmacist before taking cetirizine if:
Cetirizine is safe to take with most medication. Speak to your doctor or pharmacist if you are taking:
You may still be able to take cetirizine, but your dosing regime may need altering.
Cetirizine is safe to take in pregnancy, however, other antihistamines such as loratadine have more evidence to support use during pregnancy.
Speak to your doctor or pharmacist if you wish to use cetirizine whilst pregnant.
Cetirizine is usually safe to take whilst breastfeeding if your baby is healthy.
Small amounts can pass through the breast milk. If your baby is not feeding as normal, seems more tired than usual, or displays any other unusual behavior, stop taking cetirizine and speak to your doctor.
Speak to your doctor or pharmacist if you wish to use cetirizine whilst breastfeeding.
No, you should not give cetirizine to your pets, or any animals, unless you have been advised to do so by a vet.
Yes, a syrup form is available for children.
Yes, you can buy cetirizine over the counter.
For as long as there is exposure to the allergen which causes symptoms.
Cetirizine is safe to take long-term and there are no withdrawal effects.
No, weight gain is not a listed side effect.
Yes, however, most NHS doctors will not prescribe cetirizine, and advise patients to purchase it OTC.
Skip the missed dose and ensure the next tablet is taken on time. Do not take a double dose to make up for the missed dose.
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Written by Chemist Click
First created 29th April 2025
Last reviewed 2nd October 2025
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