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Revisione paritaria di Dr Colin Tidy, MRCGPUltimo aggiornamento di Michael Stewart, MRPharmSUltimo aggiornamento 27 Apr 2023
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Hydroxyzine is an antihistamine. It is taken to relieve itching.
The most common side effect is drowsiness. This may affect your ability to drive.
A colpo d'occhio
Hydroxyzine is an antihistamine medicine used to relieve itching caused by skin conditions like nettle rash.
It works by blocking histamine, a chemical that can cause skin rash and itchiness.
Common side effects include feeling dizzy or sleepy, blurred vision, headache, and dry mouth.
Do not drive or use tools/machines if you feel dizzy or sleepy, and avoid alcohol.
Always follow your doctor's instructions on how to take hydroxyzine.
Do not take hydroxyzine if you are pregnant, over 65, or have certain health conditions without discussing with your doctor.
Hydroxyzine is a prescription-only medicine and cannot be bought over the counter.
Panoramica
Tipo di medicinale | An antihistamine |
Utilizzato per | Itching, urticaria |
Disponibile come | Compresse |
What is hydroxyzine used for?
Hydroxyzine belongs to a group of medicines known as sedating antistaminici. It is used to relieve itching caused by some skin conditions, such as nettle rash (orticaria).
How does hydroxyzine work?
Exposure to substances such as pollen, pet fur, house dust or insect bites can cause some people to produce an excess of a chemical called histamine.
This release of histamine can then cause a skin rash and/or itchiness. Because hydroxyzine blocks the effects of histamine, it helps relieve symptoms like these.
Side effects of hydroxyzine
Common side effects of hydroxyzine include:
Sensazione di vertigini o sonnolenza.
Visione offuscata.
Mal di testa.
Bocca secca.
Difficoltà a urinare.
Mal di stomaco.
Troverai un elenco completo nel foglietto informativo del produttore fornito con il tuo medicinale.
How to manage hydroxyzine side effects
The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any continue or become troublesome.
Hydroxyzine side effects | Cosa posso fare se sperimento questo? |
Feeling dizzy or sleepy, and blurred vision | Non guidare e non utilizzare strumenti o macchinari. Non bere alcolici |
Mal di testa | Bevi molta acqua e chiedi al tuo farmacista di consigliarti un antidolorifico adatto. Se i mal di testa persistono, informa il tuo medico |
Bocca secca | Try sucking sugar-free sweets or chewing sugar-free gum |
Difficulty passing urine | Speak with your doctor if this becomes troublesome |
Stomach upset | Attieniti a pasti semplici - evita cibi ricchi o piccanti |
Se si verificano altri sintomi che ritieni possano essere dovuti a questo medicinale, parla con il tuo medico o farmacista per ulteriori consigli.
Who should not take hydroxyzine
To make sure that this is the right treatment for you, before you start taking hydroxyzine it is important that you discuss the treatment with a doctor or pharmacist if:
You are pregnant, trying for a baby or breastfeeding.
You are over 65 years of age. This is because you could be more susceptible to side effects.
You have a problem with the way your liver works, or if you have a problem with your kidneys.
You have a condition which causes increased pressure in your eyes, such as glaucoma.
You have prostate problems, or if you have been experiencing any difficulty passing urine.
You know you have an unusual heart rhythm.
You know you have a blockage in your small intestines.
You have epilepsy.
You have any long-term breathing problems, such as asthma or bronchitis.
You have a rare inherited blood condition known as porphyria.
Stai assumendo altri medicinali. Questo include qualsiasi medicinale che stai assumendo e che è disponibile per l'acquisto senza prescrizione, così come i medicinali a base di erbe e complementari.
Hai mai avuto una reazione allergica a un medicinale.
How to take hydroxyzine
Read the information leaflet in the pack before you start taking hydroxyzine. It explains how the medicine works and lists possible side effects.
Take hydroxyzine as your doctor tells you. Usually, take 1 dose at night, sometimes you may need extra doses during the day.
You can take it with or without food. Take it with water if that helps.
If you miss a dose, skip it and take the next one at the normal time. Do not take 2 doses together.
You usually only need it for a short time. Stop taking it when your symptoms get better.
Ottenere il massimo dal tuo trattamento
Hydroxyzine may make you feel sleepy. If it does, do not drive or use tools or machines.
Do not drink alcohol, as it can make the sleepiness worse.
Tell your doctor, nurse, or dentist you are taking hydroxyzine before any operation, treatment, or tests, especially allergy tests. You may need to stop it for a short time.
Your skin may become more sensitive to sunlight. Use sunscreen (SPF 15 or higher with UVA protection) and avoid sunbeds.
Check with a pharmacist before taking other medicines, as some can interact with hydroxyzine and increase side effects.
How to store hydroxyzine
Tenere tutti i medicinali fuori dalla portata e dalla vista dei bambini.
Conservare in un luogo fresco e asciutto, lontano da fonti di calore e luce diretta.
Informazioni importanti su tutti i medicinali
Informazioni importanti su tutti i medicinali
Non assumere mai più della dose prescritta. Se sospetti che tu o qualcun altro possa aver assunto un sovradosaggio di questo medicinale, recati al pronto soccorso del tuo ospedale locale. Porta con te il contenitore, anche se è vuoto.
Questo medicinale è per te. Non darlo mai ad altre persone, anche se la loro condizione sembra essere la stessa della tua.
Non conservare medicinali scaduti o indesiderati. Portali alla tua farmacia locale che li smaltirà per te.
Se hai domande su questo medicinale, chiedi al tuo farmacista.
Segnala effetti collaterali di un medicinale o vaccino
Se si verificano effetti collaterali, è possibile segnalarli online tramite il Sito web Yellow Card.
Domande frequenti
Can I buy hydroxyzine over the counter?
No, hydroxyzine is not available over the counter in the UK or the US. It is a prescription-only medication that must be prescribed by a doctor or other licensed healthcare professional.
How long does it take for hydroxyzine to work?
Hydroxyzine usually starts working within 15 to 30 minutes after taking it. Most people notice its calming or sedating effects within the first hour.
How long does hydroxyzine last?
Hydroxyzine typically lasts around 4 to 6 hours, with the strongest calming or sedating effects usually felt during that time. Although the noticeable effects wear off after a few hours, the medication can remain in your body for several days.
Can I drink alcohol on hydroxyzine?
No, it is best to avoid drinking alcohol while taking hydroxyzine. Combining the two can increase drowsiness, dizziness, and the risk of impaired coordination and slowed breathing.
Can I take hydroxyzine while pregnant?
Hydroxyzine should only be taken during pregnancy if prescribed by a doctor, as it may not be suitable for everyone. Your healthcare provider can advise whether the benefits outweigh any potential risks and discuss safer alternatives if needed.

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Controlla le possibili interazioni tra farmaci, integratori e alimenti prima di assumerli insieme.
Domande frequenti
Can children take hydroxyzine for itching?
The article does not specify age restrictions for children taking hydroxyzine. You would need to check with a doctor or pharmacist as the dosage and suitability can vary depending on a child's age and specific condition.
Will hydroxyzine interact with my other medications?
Yes, hydroxyzine can interact with other medicines. It's important to tell your doctor or pharmacist about all other medicines you are taking, including those bought without a prescription, as well as herbal and complementary medicines. This is because some combinations can increase side effects.
What should I do if I forget to take a dose of hydroxyzine?
If you miss a dose of hydroxyzine, you should skip that missed dose and take the next one at the normal time. Do not take two doses together to make up for the forgotten one.
How long should I continue taking hydroxyzine?
You usually only need to take hydroxyzine for a short time. You should stop taking it once your symptoms improve.
Can hydroxyzine make my skin more sensitive to the sun?
Yes, hydroxyzine can make your skin more sensitive to sunlight. It's recommended to use sunscreen with an SPF of 15 or higher and UVA protection, and to avoid sunbeds while taking this medicine.
Informazioni sull'autoreVisualizza il profilo completo

Michael Stewart, MRPharmS
Responsabile Revisione Foglietti Illustrativi – Contrattista, Farmacista
BPharm (Hons), MRPharmS
Michael è un farmacista comunitario che esercita nelle Midlands e nel South Yorkshire con oltre 20 anni di esperienza nel consigliare su farmaci e condizioni mediche. Ha una solida esperienza nella formazione sanitaria, avendo prodotto e tenuto corsi di formazione per team di farmacia e personale di strutture di assistenza residenziale, inclusi infermieri. Ha anche contribuito a consigli consultivi farmaceutici per la gestione di condizioni a bassa gravità nella comunità.
Informazioni sul recensoreVisualizza il profilo completo

Dr Colin Tidy, MRCGP
Medico di base, Autore medico
MBBS, MRCGP, MRCP (Paediatrics), DCH
Il Dr Colin Tidy è un medico del NHS, con sede nell'Oxfordshire.
Storia dell'articolo
Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.
Articolo disponibile anche in Inglese, Tedesco, Spagnolo, Francese, Italiano, Portoghese, Hindi, Ebraico, Arabo, and Svedese.
Next review due: 25 Oct 2027
27 Apr 2023 | Ultima versione

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