What is a Patient Information Leaflet and why is it useful?

The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine. It is written for patients and gives information about taking or using a medicine. It is possible that the leaflet in your medicine pack may differ from this version because it may have been updated since your medicine was packaged.

Below is a text only representation of the Patient Information Leaflet. The original leaflet can be viewed using the link above.

The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL00289/0595 .

Boots Hayfever & Allergy Relief Syrup

Information for the user

Boots Hayfever & Allergy Relief Syrup

(Cetirizine Hydrochloride)

Read all of this leaflet carefully because it contains important information for you.

This medicine is available without prescription to treat minor conditions. However, you still need to take it carefully to get the best results from it.

  • Keep this leaflet, you may need to read it again
  • Ask your pharmacist if you need more information or advice

What this medicine is for

This medicine contains Cetirizine Hydrochloride, which belongs to a group of medicines called antihistamines that act to relieve the symptoms of allergic reactions.

It can be used to treat the symptoms of hayfever (e.g. runny and itchy nose and eye irritation), and year round runny and itchy nose and eyes. These allergies may be caused by pollen, dust mites, animals or moulds. Sometimes the symptoms may be caused by pollution, poor air conditioning, central heating or hot weather.

It can also be used to treat raised, red itchy skin (symptoms of urticaria, which is often known as hives or nettle rash).

Before you take this medicine

This medicine can be taken by adults and children of 6 years and over. However, some people should not take this medicine or should seek the advice of their pharmacist or doctor first.

Do not take:

  • If you are under 6 years
  • If you are allergic to any of the ingredients in this medicine (see “What is in this medicine”)
  • If you are allergic to other antihistamines
  • If you have kidney failure
  • If you have an intolerance to some sugars, unless your doctor tells you to (this medicine contains sorbitol)
  • If you are pregnant or breastfeeding

Talk to your pharmacist or doctor:

  • If you have other kidney problems – your doctor may advise you to take a lower amount of this medicine
  • If you have epilepsy or are prone to fits

Other important information

If you are having any allergy tests, stop taking this medicine 72 hours before the test.

Driving and using machines: In clinical trials cetirizine has not been shown to affect attention, alertness and driving if taken at the recommended amount. However some people may be more sensitive to the side effects and should not drive or use machines if affected by drowsiness or dizziness. If this is the first time you are taking this medicine, check how you react first.

Do not drink alcohol (wine, beer, spirits) whilst taking this medicine.

Information about some of the ingredients: Methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216) may cause allergic reactions (possibly delayed).

If you take other medicines

This medicine is not expected to affect any other medicines that you may be taking. If you are unsure about interactions with any medicines, talk to your pharmacist. This includes medicines prescribed by your doctor and medicine you have bought for yourself, including herbal and homeopathic remedies.

How to take this medicine

Check the seal is not broken before first use. If it is, do not take the medicine.

Use the measuring spoon provided. The spoon measures 5 ml.

Children of 6 to 11 years: Give 5 ml twice a day.

Adults and children of 12 years and over: Take 10 ml once a day

Swallow the medicine.

If you have kidney problems your doctor or pharmacist may advise you to take less than this amount. If this applies to you follow their instructions.

Do not give to children under 6 years.

Do not take more than the amount recommended above.

If symptoms do not go away talk to your doctor.

If you take too much: You may feel very sleepy or tired, dizzy, confused, restless, shaky, or have a fast heart rate, a headache, dilated pupils, diarrhoea, difficulty passing urine or itchy skin. If this happens talk to a doctor straight away. Take your medicine and this leaflet with you.

Possible side effects

Most people will not have problems, but some may get some.

If you get any of these serious side effects, stop taking the medicine. See a doctor at once:

  • Difficulty breathing, swelling of the face, lips, tongue or throat (severe allergic reaction)

These other effects are less serious.

If they bother you talk to a pharmacist:

Common side effects (affecting 1 in 100 people to 1 in 10 people):

  • Tiredness, drowsiness, dizziness, headache, runny nose
  • Feeling sick, diarrhoea
  • Dry mouth, sore throat

Uncommon side effects (affecting 1 in 1000 people to 1 in 100 people):

  • Stomach pain
  • Extreme tiredness, generally feeling unwell
  • Pins and needles or numb limbs
  • Agitation
  • Skin rash, itchy skin

Rare side effects (affecting 1 in 10,000 people to 1 in 1000 people):

  • Fast heart rate
  • Swelling due to water retention
  • Fits, movement disorders
  • Aggression, confusion, depression, hallucinations (seeing or hearing things that are not real), difficulty sleeping
  • Raised, red itchy skin
  • Other allergic reactions
  • Weight gain
  • Changes in the way your liver works – this may show up in a blood test

Very rare side effects (affecting less than 1 in 10,000 people):

  • Difficulty focusing, blurred vision, involuntary upward movement of the eye
  • Fainting, tremors, change or loss in taste, tics (involuntary body movements)
  • Unusual bruising and an increase in the number of infections that you get e.g. sore throats – this may be a sign of very rare changes in the blood
  • Difficulty passing urine, pain when passing urine, bed wetting

Other side effects (where the frequency of affecting people is not known):

  • Memory loss, or impairment

If any side effect becomes severe, or you notice any side effect not listed here, please tell your pharmacist or doctor.

How to store this medicine

Keep this medicine in a safe place out of the sight and reach of children, preferably in a locked cupboard.

Use by the date on the end flap of the carton. After this date return any unused product to your nearest pharmacy for safe disposal.

What is in this medicine

Each 1 ml of oral solution contains Cetirizine Hydrochloride 1 mg.

As well as the active ingredient the medicine also contains purified water, propylene glycol, sorbitol solution (E420), methyl parahydroxybenzoate (E218), propyl parahydroxybenzoate (E216), sodium acetate, acetic acid, saccharin sodium, banana flavour.

The pack contains 70 ml of clear colourless syrup. The syrup smells of banana.

Who makes this medicine

Manufactured for

The Boots Company PLC


TEVA Czech Industries s.r.o.
Czech Republic

Marketing Authorisation held by

Brampton Road
Hampden Park
East Sussex
BN22 9AG

Leaflet prepared August 2011

If you would like any further information about this medicine please contact

The Boots Company PLC

Other formats

To request a copy of this leaflet in Braille, large print or audio please call, free of charge:

0800 198 5000 (UK only)

Please be ready to give the following information:

Product name: Boots Hayfever and Allergy Relief Syrup

Reference number: 00289/0595

This is a service provided by the Royal National Institute of Blind People.


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