Package Leaflet: Information for the User
Alerlisin 10mg/ml Oral Drops Solution
cetirizine dihydrochloride
Read all of this leaflet carefully before you start taking this medicine, because it contains important information for you.
Contents of the Package Leaflet
The active substance of Alerlisin is cetirizine dihydrochloride.
Alerlisin is an antiallergic medicine.
Alerlisin 10 mg/ml oral drops solution is indicated in adults and pediatric patients from 2 years of age, for:
Do not take Alerlisin
Warnings and precautions
Consult your doctor or pharmacist before taking Alerlisin
No significant interactions have been observed between alcohol (with a blood level of 0.5 per thousand, corresponding to a glass of wine) and the use of cetirizine at normal doses. However, as with all antihistamines, it is recommended to avoid concurrent consumption of alcohol during treatment.
Children
The use of the medicine is not recommended in children under 2 years of age.
Taking Alerlisin with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
Due to the profile of cetirizine, no interactions with other medicines are expected.
Taking Alerlisin with food and drinks
Food does not significantly affect the absorption of cetirizine.
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.
The use of Alerlisin should be avoided in pregnant women. Accidental use of the medicine in pregnant women should not produce any harmful effect on the fetus. However, administration of the medicine should be discontinued.
You should not take Alerlisin during breastfeeding, as cetirizine is excreted in breast milk.
Driving and using machines
Clinical studies have not shown evidence that Alerlisin produces alterations in attention, reduction of reaction capacity and ability to drive at the recommended dose.
If you intend to drive, perform potentially hazardous activities or use machinery, do not exceed the recommended dose. You should closely observe your response to the medicine.
If you are a sensitive patient, you may find that concurrent use of alcohol or other central nervous system depressants may further affect your attention and ability to react.
Alerlisin containsmethyl parahydroxybenzoate (E-218) and propyl parahydroxybenzoate (E-216), propylene glycol (E-1520) and sodium
It may produce allergic reactions (possibly delayed) because it contains methyl parahydroxybenzoate (E-218) and propyl parahydroxybenzoate (E-216).
This medicine contains 350 mg of propylene glycol in each ml (equivalent to 20 drops).
This medicine contains less than 23 mg of sodium (1 mmol) per ml; i.e., it is essentially “sodium-free”.
Follow exactly the administration instructions of this medicine indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
Adults and adolescents from 12 years of age
10 mg once a day as 20 drops.
Use in children between 6 and 12 years of age
5 mg twice a day, as 10 drops twice a day.
Use in children between 2 and 6 years of age
2.5 mg twice a day administered as 5 drops twice a day.
Patient with moderate to severe renal insufficiency
It is recommended that patients with moderate renal insufficiency take 5 mg as 10 drops once a day.
If you notice that the effect of Alerlisin 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 Alerlisin than you should
After an overdose, the adverse effects described below may occur with greater intensity. Adverse effects such as confusion, diarrhea, dizziness, fatigue, weakness, headache, pupil dilation, paresthesia, irritation, sedation, somnolence, stupor, abnormal tachycardia, tremor, and urinary retention have been reported.
Tell your doctor if you think you have taken an overdose of Alerlisin.
Your doctor will then decide what measures should be taken.
In case of overdose or accidental ingestion, go immediately to a medical center or call the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount ingested.
If you forget to take Alerlisin
Do not take a double dose to make up for forgotten doses.
If you stop taking Alerlisin
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
The following side effects have been reported in the post-marketing experience:
Common: may affect up to 1 in 10 people
Uncommon: may affect up to 1 in 100 people
Rare:may affect up to 1 in 1,000 people
Very rare:may affect up to 1 in 10,000 people
At the first symptoms of hypersensitivity, stop taking Alerlisin.
Your doctor will assess the severity and decide on the measures to be taken.
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 through the Spanish Medicines Monitoring System: 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 this medicine after the expiry date which is stated on the carton and on the bottle after EXP. The expiry date is the last day of the month stated.
This medicine does not require any special storage conditions.
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.
Composition of Alerlisin
Appearance of the product and pack contents
Alerlisin is supplied as a clear and colorless liquid.
Original pack with a bottle of 10, 15, 20 or 30 ml of solution.
Not all pack sizes may be marketed.
Marketing authorization holder
RETRAIN, S.A.U.
Alfons XII, 587 – 08918 Badalona (Barcelona) – Spain
Manufacturer
LABORATORIOS MENARINI, S.A.
Alfons XII, 587 – 08918 Badalona (Barcelona) – Spain
You can request more information about this medicine by contacting the local representative of the marketing authorization holder:
LABORATORIOS MENARINI, S.A.
Alfons XII, 587 – 08918 Badalona (Barcelona) – Spain
This medicine is authorized in the Member States of the European Economic Area, with the following names:
Austria: Zyrtec 10 mg/ml – Tropfen
Belgium: Ceterizine-UCB, Zyrtec, Virlix
Bulgaria: Zyrtec
Czech Republic: Zyrtec
Denmark: Zyrtec
Estonia: Zyrtec
Finland: Zyrtec
France: Virlix, Zyrtec
Germany: Zyrtec P Tropfen, Zyrtec Tropfen
Greece: Ziptek
Hungary: Zyrtec cseppek
Italy: Formistin, Zirtec 10 mg/ml gocce orali soluzione
Latvia: Zyrtec
Lithuania: Zyrtec
Luxembourg: Virlix, Zyrtec, Cetirizina-UCB
Norway: Zyrtec
Poland: Zyrtec
Portugal: Zyrtec
Romania: Zyrtec
Slovakia: Zyrtec gtt por 10 mg/ml
Slovenia: Zyrtec 10 mg/ml peroralne kapljice, raztopina
Spain: Alerlisin, Virdos, Zyrtec gotas orales en solución
Sweden: Zyrlex
Date of last revision of this leaflet: January 2020
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of ALERLISIN 10 mg/ml ORAL DROPS IN SOLUTION in October, 2025 is around 3.12 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.