Package Leaflet: Information for the User
Hydroxyzine Qualigen 25 mg Film-Coated Tablets EFG
Hydroxyzine, hydrochloride
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the Package Leaflet
Hydroxyzine Qualigen is a psycholeptic and anxiolytic agent that belongs to a class of compounds called diphenylmethanes.
Hydroxyzine Qualigen is used for:
Do not take Hydroxyzine Qualigen
Warnings and precautions
Seek medical attention immediately if, while being treated with Hydroxyzine Qualigen, you experience heart problems such as palpitations, difficulty breathing or loss of consciousness. Treatment with hydroxyzine should be discontinued.
Using Hydroxyzine Qualigen with other medicines
Tell your doctor or pharmacist if you are using, have recently used or might use any other medicines. This includes any medicines bought without a prescription. Hydroxyzine Qualigen may affect or be affected by other medicines.
Hydroxyzine Qualigen may enhance the depressant effect on the central nervous system if used in conjunction with other drugs with depressant or anticholinergic properties. In these cases, the dose should be adjusted for each patient.
Hydroxyzine Qualigen antagonizes the effects of betahistine and anticholinesterase drugs.
Treatment with Hydroxyzine Qualigen should be discontinued at least 5 days before performing an allergy test or a bronchial provocation test with methacholine, to avoid effects on the results.
Concomitant administration of Hydroxyzine Qualigen with monoamine oxidase inhibitors should be avoided.
Hydroxyzine Qualigen counteracts the pressor effect of adrenaline.
Concomitant administration with drugs that may cause arrhythmias may increase the risk of QT prolongation and Torsades de Pointes (alterations in electrocardiogram measurements).
Do not take Hydroxyzine Qualigen if you are taking medicines to treat:
To date, no further interactions with other medicines have been detected.
Taking Hydroxyzine Qualigen with food, drinks, and alcohol
You should not drink alcohol while being treated with this medicine. Concomitant administration of hydroxyzine and alcohol may produce effects on the central nervous system.
Pregnancy and breastfeeding
Ask your doctor or pharmacist for advice before taking any medicine. Hydroxyzine Qualigen should not be taken during pregnancy.
Hydroxyzine Qualigen should not be taken during breastfeeding. If treatment with Hydroxyzine Qualigen is necessary, breastfeeding should be discontinued.
Driving and using machines
Hydroxyzine Qualigen may alter your ability to drive or operate machinery, as it may cause drowsiness, reduce your attention or reduce your reaction time. The appearance of these effects is more likely at the start of treatment or when the dose is increased. Do not drive or use machines if you experience any of these effects.
Elderly patients
In elderly patients, the recommended dose should be administered, due to the prolonged action of the drug.
Hydroxyzine Qualigen tablets contain lactose
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
Follow exactly the administration instructions of this medicine indicated by your doctor. In case of doubt, consult your doctor or pharmacist again.
The smallest dose of Hydroxyzine Qualigen that is effective should be administered and for the shortest possible duration.
In adults and children over 40 kg in weight, the maximum daily dose is 100 mg/day in all indications.
In elderly patients, the maximum daily dose is 50 mg/day.
Children from 12 months
For the symptomatic treatment of pruritus and urticaria:
From 12 months: 1 mg/kg/day to 2 mg/kg/day divided into several doses.
In children up to 40 kg in weight, the maximum daily dose is 2 mg/kg/day.
For pre-medication before anesthesia:
A single dose of 0.6 mg/kg 1 hour before surgery, which may be preceded by 0.6 mg/kg the night before anesthesia.
The cumulative dose in 24 hours should not exceed 2 mg/kg/day.
The tablets are not suitable for the administration of doses less than 12.5 mg. Other presentations of hydroxyzine hydrochloride are available, more suitable for dosing in the pediatric population.
The tablets should be swallowed whole with the help of liquids and can be taken both on an empty stomach and with food.
The scored tablet allows for easy division into 2 parts, for the best adjustment of the necessary dose in each patient.
Patients with kidney problems and liver problems should reduce the dose (see "Warnings and precautions").
The dose will be adjusted within the recommended dose range according to the patient's response to treatment.
If you think that the effect of Hydroxyzine Qualigen is too strong or too weak, consult your doctor or pharmacist.
If you take more Hydroxyzine Qualigen than you should
If you have taken too much Hydroxyzine Qualigen, consult your doctor or pharmacist immediately or call the Toxicology Information Service, telephone 915 620 420, especially if it is a child who has taken too much. In case of overdose, symptomatic treatment can be established. Electrocardiographic monitoring (ECG) can be performed, due to the possibility of a heart rhythm problem, such as QT interval prolongation or Torsades de Pointes.
A significant overdose can cause nausea, vomiting, tachycardia, fever, drowsiness, altered pupillary reflex, tremor, confusion, hallucination, decreased level of consciousness, respiratory depression, convulsions, decreased blood pressure, and cardiac arrhythmia, which can lead to a deep coma and cardiorespiratory collapse.
If you forget to take Hydroxyzine Qualigen
Remember to always take your medicine.
Do not take a double dose to make up for forgotten doses. Continue taking your normal dose when it is due.
If you stop taking Hydroxyzine Qualigen
Your doctor will indicate the duration of your treatment with Hydroxyzine Qualigen. Do not stop treatment before. If you have any other doubts 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 frequent side effect (may affect up to 1 in 10 people) is sedation.
The uncommon side effects (may affect up to 1 in 100 people) are: nausea, discomfort, fever, dizziness, insomnia, tremor, agitation, and confusion.
The rare side effects (may affect up to 1 in 1,000 people) are: tachycardia, alterations in accommodation or ability to see at different distances, blurred vision, constipation, vomiting, hypersensitivity, abnormal liver function tests, convulsions, involuntary abnormal movements (dyskinesia), disorientation, hallucinations, urinary retention, erythematous rash, maculopapular rash, dermatitis, itching, and hypotension.
The very rare side effects (may affect up to 1 in 10,000 people) are: anaphylactic shock, bronchospasm (narrowing of the bronchi that causes difficulty breathing), angioneurotic edema (inflammation of the skin and mucous membranes), increased sweating, drug rash, acute generalized exanthematous pustulosis (a type of allergic reaction that appears in response to a medicine, infection, or disease), erythema multiforme, Stevens-Johnson syndrome (these two are skin disorders due to an allergic reaction or infection).
The side effects of unknown frequency (cannot be estimated from the available data) are: QT prolongation in the electrocardiogram, Torsades de Pointes (alteration of the electrocardiogram associated with tachycardias), and hepatitis.
Stop taking this medicine and seek medical attention immediately if you experience any heart rhythm problems such as palpitations, difficulty breathing, or loss of consciousness.
The following side effects have been observed with cetirizine, the main metabolite of hydroxyzine: thrombocytopenia (decrease in the number of platelets), aggression, depression, tic, dystonia (muscle contractions), paresthesia (tingling sensation), oculogyric crisis (fixation of the eyes in a fixed position), diarrhea, dysuria (difficulty urinating), enuresis (urinary incontinence), asthenia, edema, and weight gain.
Reporting of side effects
If you experience any side effects, talk to your doctor or pharmacist, even if it is possible side effects that are not listed in this leaflet. You can also report side effects directly through the Spanish Medicines and Healthcare Products Agency's website: 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.
No special storage temperature is required.
Do not use Hydroxyzine Qualigen after the expiry date stated on the carton after EXP. The expiry date is the last day of the month stated.
Medicines should not be disposed of via wastewater or household waste. Return the containers and any unused medicines to a pharmacy. If you are unsure, ask your pharmacist how to dispose of the containers and any unused medicines. This will help protect the environment.
Composition of Hydroxyzine Qualigen tablet
Appearance of the product and contents of the pack
Hydroxyzine Qualigen 25 mg is presented in the form of oblong, biconvex tablets with a score line on both sides, and white or almost white in color.
Packs of 25 or 50 tablets, in PVC/aluminum blister packs and Al/PVC-PVDC.
Marketing authorization holder and manufacturer
Marketing authorization
Neuraxpharm Spain, S.L.U.
Avda. Barcelona, 69
08970 Sant Joan Despí
Barcelona – Spain
Manufacturer
MEDREICH PLC
Warwick House, Plane Tree Crescent, Feltham, TW13 7HF,
United Kingdom
or
INPHARMASCI
ZI Nº2 de Prouvy – Rouvignies
1 rue de Nungesser
59121 Prouvy,
France
Date of last revision of this leaflet:May 2021
Detailed and updated 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 HYDROXYZINE QUALIGEN 25 mg FILM-COATED TABLETS in October, 2025 is around 1.81 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.