


Ask a doctor about a prescription for ZYRTEC 1 mg/ml ORAL SOLUTION
Patient Information Leaflet
Zyrtec 1mg/ml oral solution
Cetirizine dihydrochloride
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Keep this leaflet, you may need to read it again. If you have any further questions, ask your doctor or pharmacist.
This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.
Contents of the pack
The active substance of Zyrtec is cetirizine dihydrochloride.
Zyrtec is an antiallergic medicine.
Zyrtec 1 mg/ml oral solution is indicated in adults and children from 2 years:
Do not take Zyrtec
Warnings and precautions
Consult your doctor or pharmacist before taking Zyrtec
If you have kidney failure, consult your doctor; if necessary, you will take a lower dose. Your doctor will determine the new dose.
If you have problems urinating (such as spinal cord or prostate and bladder problems), please consult your doctor.
If you are an epileptic patient or a patient at risk of convulsions, consult your doctor.
No clinically significant interactions have been observed between alcohol (with a blood level of 0.5 per thousand (g/l), corresponding to a glass of wine) and the use of cetirizine at the recommended dose. However, there are no safety data available when taking higher doses of cetirizine and alcohol together. Therefore, as with all antihistamines, it is recommended to avoid taking Zyrtec with alcohol.
If you are going to have an allergy test, consult your doctor if you should stop taking Zyrtec a few days before the test. This medicine may affect the results of your allergy tests.
Other medicines and Zyrtec
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
Taking Zyrtec with food, drinks and alcohol
Food does not affect the absorption of Zyrtec.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Zyrtec should be avoided in pregnant women. Accidental use of the medicine in pregnant women does not produce any harmful effect on the fetus. However, the medicine should only be administered if necessary and after consulting a doctor.
Cetirizine passes into breast milk. It cannot be excluded that there is a risk of adverse reactions in breastfed infants. Therefore, you should not take Zyrtec during breastfeeding, unless you have consulted your doctor.
Driving and using machines
Clinical studies have not shown evidence that Zyrtec causes alterations in attention, decreased reaction capacity and ability to drive at the recommended dose.
If you intend to drive, perform potentially hazardous activities or use machinery, you should not exceed the recommended dose. You should closely observe your response to the medicine.
Zyrtec oral solution contains sorbitol (E 420), methyl parahydroxybenzoate (E 218), propyl parahydroxybenzoate (E 216), propylene glycol (E 1520) and sodium
This medicine contains 1575 mg of sorbitol in each 5 ml equivalent to 315 mg/ml. Sorbitol is a source of fructose. If your doctor has told you that you (or your child) have an intolerance to some sugars, or have been diagnosed with hereditary fructose intolerance (HFI), a rare genetic disorder, in which the patient cannot break down fructose, consult your doctor before taking this medicine. Sorbitol may cause gastrointestinal upset and a mild laxative effect.
This medicine contains methyl parahydroxybenzoate (E 218) and propyl parahydroxybenzoate (E 216) which may cause allergic reactions (possibly delayed).
This medicine contains 250 mg of propylene glycol (E 1520) in each 5 ml equivalent to 50 mg/ml.
This medicine contains less than 1 mmol of sodium (23 mg) per dose; i.e., it is essentially “sodium-free”.
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
The solution can be taken as is.
Adults and adolescents from 12 years:
The recommended dose is 10 mg once a day as 10 ml of oral solution (2 complete spoons).
Use in children between 6 and 12 years:
The recommended dose is 5 mg twice a day, as 5 ml (one complete spoon) twice a day.
Use in children between 2 and 6 years:
The recommended dose is 2.5 mg twice a day as 2.5 ml of the oral solution (half a spoon) twice a day.
Patient with renal impairment:
It is recommended that patients with moderate renal impairment take 5 mg once a day.
If you suffer from severe kidney disease, please contact your doctor, who may adjust the dose accordingly.
If your child suffers from kidney disease, please contact your doctor, who may adjust the dose according to your child's needs.
If you notice that the effect of Zyrtec is too weak or too strong, consult your doctor.
Duration of treatment:
The duration of treatment depends on the type, duration and course of your symptoms and will be determined by your doctor.
If you take more Zyrtec than you should
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, Phone: 91 562 04 20, indicating the medicine and the amount ingested.
After an overdose, the adverse effects described below may occur with greater intensity. Adverse effects such as confusion, diarrhea, dizziness, fatigue, headache, discomfort (feeling unwell), pupil dilation, tingling, irritation, sedation, somnolence (drowsiness), stupor, abnormal increase in heart rate, tremor and urinary retention (difficulty emptying the bladder) have been reported.
If you forget to take Zyrtec
Do not take a double dose to make up for a forgotten dose.
If you stop taking Zyrtec
On rare occasions, itching (intense itching) and/or urticaria (hives) may reappear if you stop taking Zyrtec.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
The following side effects are rare or very rare, but you should stop taking the medicine and tell your doctor immediately if you notice any of them:
These reactions can start soon after taking the medicine for the first time, or they can start later.
The frequency of the possible side effects listed below is defined as follows:
Common side effects(may affect up to 1 in 10 people)
Uncommon side effects(may affect up to 1 in 100 people)
Rare side effects(may affect up to 1 in 1,000 people)
Very rare side effects(may affect up to 1 in 10,000 people)
Side effects with frequency not known(frequency cannot be estimated from the available data)
Reporting of side effects
If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Spanish Medicines and Healthcare Products Agency (AEMPS) website: https://www.notificaram.es.
By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use Zyrtec after the expiry date which is stated on the carton and bottle after EXP. The expiry date is the last day of the month stated.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.
Do not use 3 months after opening the bottle for the first time.
No special storage precautions are required.
Composition of Zyrtec1mg/ml oral solution
Appearance and packaging
Clear and colorless liquid with a slightly sweet taste and banana flavor.
Original packaging with a bottle of 60, 75, 100, 150 or 200 ml of solution.
Not all pack sizes may be marketed.
Marketing authorization holder and manufacturer
Marketing authorization holder
UCB Pharma, S.A.
Plaza de Manuel Gómez Moreno, s/n,
Edificio Bronce, Planta 5,
28020 Madrid
Spain
Manufacturer
Aesica Pharmaceuticals S.r.l.
Via Praglia 15
I-10044 Pianezza (TO) - Italy
This medicine is authorized in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) under the following names:
Austria: Zyrtec 1 mg/ml - orale Lösung
Belgium: Zyrtec
Cyprus: Zyrtec
Denmark: Zyrtec
Estonia: Zyrtec
Finland: Zyrtec
France: Zyrtec
Ireland: Zirtek oral solution 1 mg/ml
Italy: Zirtec 1 mg/ml soluzione orale
Latvia: Zyrtec
Lithuania: Zyrtec
Luxembourg: Zyrtec
Malta: Zyrtec
Netherlands: Zyrtec
Norway: Zyrtec
Poland: Zyrtec
Portugal: Zyrtec
Slovenia: Zyrtec 1 mg/ml peroralna raztopina
Spain: Zyrtec oral solution
United Kingdom (Northern Ireland): Zirtek allergy solution
Date of last revision of this leaflet: 09/2023
Detailed information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) http://www.aemps.gob.es
The average price of ZYRTEC 1 mg/ml ORAL SOLUTION in October, 2025 is around 3.51 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.
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