Patient Information Leaflet
Cetirizine Alter 10 mg film-coated tablets EFG
Read the entire leaflet carefully before starting to take the medicine.
Contents of the leaflet:
The active ingredient of Cetirizine Alter is cetirizine dihydrochloride.
Cetirizine Alter is an antiallergic medicine.
This medicine is indicated for adults and children from 6 years of age for:
Do not take Cetirizine Alter
Warnings and precautions
Consult your doctor or pharmacist before starting to take Cetirizine Alter.
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, safety data are not available when taking higher doses of cetirizine and alcohol together. Therefore, as with all antihistamines, it is recommended to avoid taking cetirizine with alcohol.
If you are scheduled to undergo an allergy test, consult your doctor if you should stop taking Cetirizine Alter a few days before the test. This medicine may affect the results of your allergy tests.
Do not give this medicine to children under 6 years of age, as this formulation does not allow for the necessary dose adjustment.
Other medicines and Cetirizine Alter
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Taking Cetirizine Alter with food, drinks, and alcohol
Food does not affect the absorption of cetirizine.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor before using this medicine.
The use of Cetirizine Alter should be avoided in pregnant women. Accidental use of the medicine in pregnant women should 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. A risk of adverse reactions in breastfed infants cannot be excluded. Therefore, you should not take Cetirizine Alter during breastfeeding, unless you consult your doctor.
Driving and using machines
Clinical studies have not shown evidence that Cetirizine Alter causes alterations in attention, decreased reaction capacity, and ability to drive at the recommended dose.
If you plan to drive, perform potentially hazardous activities, or use machinery, do not exceed the recommended dose. You should closely observe your response to the medicine.
Cetirizine Alter contains lactose
This medicine contains lactose. If your doctor has told you that you have an intolerance to certain sugars, consult them before taking this medicine.
Follow the administration instructions of this medicine indicated by your doctor or pharmacist exactly. In case of doubt, consult your doctor or pharmacist again.
The tablets should be swallowed with a glass of liquid.
Adults and adolescents over 12 years:
The recommended dose is 10 mg once a day as 1 tablet.
Use in children between 6 and 12 years:
The recommended dose is 5 mg twice a day, as half a tablet twice a day.
Other forms of this medicine may be more suitable for children: ask your doctor or pharmacist.
Patients with kidney failure:
It is recommended that patients with moderate kidney failure take 5 mg once a day.
If you have severe kidney disease, please contact your doctor, who may adjust the dose accordingly.
If your child has kidney disease, please contact your doctor, who may adjust the dose according to your child's needs.
If you notice that the effect of this medicine 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 Cetirizine Alter 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 taken.
After an overdose, the adverse effects described below may occur with greater intensity. Adverse effects such as confusion, diarrhea, dizziness, fatigue, headache, malaise, pupil dilation, paresthesia, irritation, sedation, somnolence, stupor, abnormal increase in heart rate, tremor, and urinary retention have been reported.
If you forget to take Cetirizine Alter
Do not take a double dose to make up for the forgotten dose.
If you stop taking Cetirizine Alter
Rarely, pruritus and/or urticaria may reappear if you stop taking cetirizine.
If you have any other questions about 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 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 may 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 patients)
Uncommon side effects(may affect up to 1 in 100 patients)
Rare side effects(may affect up to 1 in 1,000 patients)
Very rare side effects(may affect up to 1 in 10,000 patients)
Side effects with unknown frequency(frequency cannot be estimated from available data)
Reporting side effects
If you experience any side effects, consult your doctor or pharmacist, even if they are not listed in this leaflet. You can also report them directly through the Spanish Medicines and Healthcare Products Agency's 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 this medicine after the expiration date stated on the packaging and blister after EXP. The expiration date is the last day of the month indicated.
No special storage conditions are required.
Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicines in the pharmacy's SIGRE collection point. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.
Composition of Cetirizine Alter
Appearance of the product and package contents
White, lenticular, film-coated tablets.
Package with 20 tablets.
Marketing Authorization Holder and Manufacturer
Laboratorios Alter, S.A.
Mateo Inurria, 30
28036 Madrid
Date of the last revision of this leaflet:July 2024.
Detailed information about 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 CETIRIZINE ALTER 10 mg FILM-COATED TABLETS 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.