Hydroxyzine hydrochloride
Atarax is a medicine with antihistamine, sedative, and anxiolytic effects.
Atarax is indicated for:
Before starting treatment with Atarax, discuss it with your doctor:
Taking Atarax may be associated with an increased risk of heart rhythm disturbances, which can be life-threatening. Therefore, you should tell your doctor about any heart problems and about taking any other medicines, including those available without a prescription.
If you experience heart symptoms such as rapid heartbeat (palpitations), breathing problems, loss of consciousness during treatment with Atarax, you should immediately consult a doctor.
You should also stop treatment with hydroxyzine.
Treatment should be discontinued at least 5 days before performing allergy tests or methacholine bronchial provocation tests to avoid affecting the results of these tests.
Tell your doctor about all medicines you are currently taking or have recently taken, as well as any medicines you plan to take. Atarax may affect the action of other medicines. Other medicines may affect the action of Atarax.
This applies to the following medicines:
Do not take Atarax if you are taking medicines used to treat:
It is recommended to avoid concomitant use of Atarax and alcohol.
Atarax should not be used during pregnancy or breastfeeding. Breastfeeding should be discontinued if it is necessary to use Atarax.
In newborns whose mothers received hydroxyzine during late pregnancy and/or during delivery, directly or a few hours after birth, the following symptoms may occur: trembling, stiffness, and/or muscle weakness, breathing problems, and urinary retention.
Women of childbearing age should use appropriate contraception to prevent pregnancy during treatment with hydroxyzine.
Animal studies have not shown a negative effect on fertility. Data on the effect on human fertility are not available.
While taking Atarax, do not drive vehicles, operate machines, or use tools, as Atarax may impair your ability to react and concentrate.
Atarax in the form of tablets contains lactose. If you have previously been diagnosed with intolerance to some sugars, you should consult your doctor before taking the medicine.
This medicine should always be taken exactly as directed by your doctor. If you are unsure, consult your doctor or pharmacist.
Atarax should be taken in the smallest effective dose. The treatment period should be as short as possible.
In adults and children over 40 kg, the maximum daily dose is 100 mg. The following doses are usually used:
Adults
In symptomatic treatment of anxiety
50 mg/day in 2-3 divided doses.
In severe cases, doses up to 100 mg/day can be taken orally.
In symptomatic treatment of itching
Treatment should be started with a dose of 25 mg before bedtime, continuing therapy by increasing the dose if necessary, administering 25 mg 3 to 4 times a day.
In premedication before surgical procedures
50 mg in two administrations or 100 mg in a single dose orally.
In children and adolescents weighing up to 40 kg, the maximum daily dose is 2 mg/kg body weight per day.
In children and adolescents weighing over 40 kg, the maximum daily dose is 100 mg.
In symptomatic treatment of itching
1 mg/kg body weight per day to 2 mg/kg body weight per day in divided doses.
In premedication before surgical procedures
0.6 mg/kg body weight orally in a single dose.
The cumulative daily dose should not exceed 2 mg/kg body weight per day.
Dose adjustment
Dosing should be adjusted individually, within the recommended dose range, depending on the patient's response to treatment.
Elderly patients
The use of hydroxyzine in elderly patients is not recommended. If a decision is made to treat, it is recommended to start treatment with half the recommended dose.
In elderly patients, the maximum daily dose is 50 mg.
Patients with renal impairment
In patients with moderate or severe renal impairment, due to reduced excretion of the drug's metabolite, cetirizine, the doses used should be reduced.
Patients with hepatic impairment
In patients with liver impairment, it is recommended to reduce the daily dose by 33%.
If you have taken or used too much Atarax, you should immediately contact the emergency services, especially if it concerns a child. In case of overdose, symptomatic treatment can be used. ECG monitoring is recommended due to the possibility of heart rhythm disturbances [including bradycardia (very slow heart rate)], such as QT interval prolongation or torsade de pointes.
Symptoms of Atarax overdose are: nausea, vomiting, tachycardia (rapid heart rate), fever, drowsiness, disturbances of pupillary reflex, tremors, confusion or hallucinations, and then decreased consciousness, respiratory depression, seizures, hypotension, or heart rhythm disturbances, as well as deepening coma and cardiopulmonary collapse.
There is no specific antidote.
Do not take a double dose to make up for a missed dose.
If you have any further questions about the use of this medicine, ask your doctor or pharmacist.
Like all medicines, Atarax can cause side effects, although not everybody gets them.
Very common: may affect more than 1 in 10 people
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
Frequency not known: frequency cannot be estimated from the available data
You should stop taking the medicine and immediately consult a doctor if you experience heart rhythm disturbances, such as rapid heartbeat (palpitations), breathing problems, or loss of consciousness.
Additionally, the following side effects have been observed with cetirizine, the main metabolite of hydroxyzine, which may also occur after administration of hydroxyzine: decreased platelet count, aggression, depression, tics, involuntary movements, paresthesia, episodes of forced gaze with eye rotation, diarrhea, difficulty urinating, involuntary urination, asthenia (fatigue, weakness), edema, weight gain.
In some people, during treatment with Atarax, other side effects may occur.
If any of the side effects get worse or if you experience any side effects not listed in this leaflet, you should tell your doctor, pharmacist, or nurse.
If you experience any side effects, including those not listed in this leaflet, you should tell your doctor, pharmacist, or nurse. Side effects can be reported directly to the Department of Adverse Reaction Monitoring of Medicinal Products, Medical Devices, and Biocidal Products, Al. Jerozolimskie 181 C, 02-222 Warsaw, tel.: +48 22 49 21 301, fax: +48 22 49 21 309, website: https://smz.ezdrowie.gov.pl.
Side effects can also be reported to the marketing authorization holder.
Reporting side effects will help to gather more information on the safety of the medicine.
Store in a temperature below 25°C.
Store in the outer packaging.
The medicine should be stored out of sight and reach of children.
Do not use this medicine after the expiry date stated on the carton and blister after "Expiry date" and (or) "EXP". The expiry date refers to the last day of the month.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines that are no longer needed. This will help protect the environment.
Atarax, 10 mg coated tablets, are white, round tablets.
Atarax, 25 mg coated tablets, are white, oblong tablets with a dividing line in the middle.
The package contains 25 coated tablets.
Marketing authorization holder:
UCB Pharma SA
Allée de la Recherche 60
B-1070 Brussels
Belgium
Manufacturer:
Atarax 10 mg coated tablets
UCB Pharma SA, Chemin du Foriest, B-1420 Braine l’Alleud, Belgium
Aesica Pharmaceuticals GmbH, Alfred-Nobel-Str. 10, 40789 Monheim am Rhein, Germany
Atarax 25 mg coated tablets
UCB Pharma SA, Chemin du Foriest, B-1420 Braine l’Alleud, Belgium
To obtain more detailed information, please contact the local representative of the marketing authorization holder:
UCB Pharma Sp. z o.o.
ul. Kruczkowskiego 8
00-380 Warsaw
Tel. + 48 22 696 99 20
Date of last revision of the leaflet:December 2024
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