Hydroxizintabletter
Granskad av Dr Colin Tidy, MRCGPSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 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.
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Översikt
Typ av medicin | Ett antihistamin |
Används för | Itching, urticaria |
Tillgänglig som | Tabletter |
What is hydroxyzine used for?
Hydroxyzine belongs to a group of medicines known as sedating antihistaminer. It is used to relieve itching caused by some skin conditions, such as nettle rash (urticaria).
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:
Känner du dig yr eller sömnig.
Blurred vision.
Huvudvärk.
Torr mun.
Difficulty peeing.
Upset stomach.
Du hittar en fullständig lista i tillverkarens informationsbroschyr som medföljer din medicin.
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 | Vad kan jag göra om jag upplever detta? |
Feeling dizzy or sleepy, and blurred vision | Kör inte och använd inte verktyg eller maskiner. Drick inte alkohol |
Huvudvärk | Drick mycket vatten och be din apotekare rekommendera en lämplig smärtstillande. Om huvudvärken fortsätter, informera din läkare |
Torr mun | Försök suga på sockerfria godisar eller tugga sockerfritt tuggummi |
Difficulty passing urine | Speak with your doctor if this becomes troublesome |
Magbesvär | Håll dig till enkla måltider - undvik rik eller kryddstark mat |
Om du upplever några andra symtom som du tror kan bero på denna medicin, tala med din läkare eller apotekare för vidare råd.
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.
You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines.
Du har någonsin haft en allergisk reaktion mot en medicin.
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.
Få ut det mesta av din behandling
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
Förvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
Viktig information om alla läkemedel
Viktig information om alla läkemedel
Ta aldrig mer än den föreskrivna dosen. Om du misstänker att du eller någon annan kan ha tagit en överdos av denna medicin, gå till akutmottagningen på ditt lokala sjukhus. Ta med behållaren, även om den är tom.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
Om du har några frågor om denna medicin, fråga din apotekare.
Rapportera biverkningar av ett läkemedel eller vaccin
Om du upplever biverkningar kan du rapportera dem online via Yellow Card webbplats.
Vanliga frågor
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.
Om recensentenVisa fullständig biografi

Dr Colin Tidy, MRCGP
Allmänläkare, Medicinsk Författare
MBBS, MRCGP, MRCP (Paediatrics), DCH
Dr Colin Tidy är en NHS-läkare, baserad i Oxfordshire.
Artikelhistorik
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
Next review due: 25 Oct 2027
27 apr 2023 | Senaste versionen
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