Acrivastin mot allergier
Benadryl Allergy Relief
Granskad av Dr Colin Tidy, MRCGPSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 12 Jan 2023
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Acrivastine relieves allergic symptoms.
Take one capsule as needed, up to three times a day.
Acrivastine may cause drowsiness in a few people. Make sure your reactions are normal before you drive or before using tools or machines.
Överblick
Acrivastine is an antihistamine used to relieve symptoms of allergies like hay fever and hives.
It works by blocking histamine, reducing sneezing, itching, watery eyes, and runny nose.
Common side effects include feeling sleepy and dry mouth.
You can buy acrivastine capsules without a prescription.
Do not drive or use tools if you feel sleepy after taking acrivastine.
Talk to a doctor or pharmacist before taking if you are pregnant, over 65, or have kidney problems.
Översikt
Typ av medicin | An antihistamine (non-drowsy) |
Används för | Allergies such as hay fever and some allergic skin reactions, in adults and in children over 12 years of age |
Även kallad | Benadryl® Allergy Relief |
Tillgänglig som | Kapslar |
What is acrivastine used for?
Acrivastine is a type of antihistamine used to relieve the symptoms of allergies such as hay fever och urticaria (hives).
You can buy acrivastine capsules without a prescription at pharmacies.
How does acrivastine work?
Acrivastine works by blocking the effects of histamine, a chemical released by the body during an allergic reaction.
This helps relieve symptoms such as sneezing, itching, watery eyes, and a runny nose caused by allergens such as pollen, pet dander, house dust mites, insect bites, and detergents.
Side effects of acrivastine
Common side effects of acrivastine are:
Feeling sleepy.
Torr mun.
You can find a full list of the side effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine.
Speak with your doctor or pharmacist if any side effects continue or become troublesome.
How to manage acrivastine side effects
Common acrivastine side effects | Vad kan jag göra om jag upplever detta? |
Feeling sleepy | If this happens, do not drive and do not use tools or machines while affected. Do not drink alcohol |
Torr mun | Försök tugga sockerfritt tuggummi eller suga på sockerfria karameller |
If you experience any other symptoms which you think may be due to the capsules, speak with your pharmacist for further advice.
Who should not take acrivastine?
To make sure that this is the right treatment for you, before you start taking acrivastine 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 (because the safety of acrivastine has not been studied in people in this age group).
You have any problems with the way your kidneys work.
You have epilepsy.
You have a rare inherited blood disorder called porphyria.
You are taking or using 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.
You have ever had an allergic reaction to another antihistamine, or to any other medicine.
How to take acrivastine
Read the leaflet before use. It explains how to take acrivastine and lists possible side effects.
Take one capsule (8 mg) when needed. Adults and children over 12 years can take up to 3 capsules a day. Swallow the capsule with water, with or without food.
If you miss a dose, skip it. Take your next dose when it is due. Do not take two doses together to make up for a missed dose.
Få ut det mesta av din behandling
Most people only need to take an antihistamine when they have symptoms. You should stop taking the capsules once your symptoms have eased.
Although acrivastine is classed as a non-drowsy antihistamine, it can still cause drowsiness in a few people. If this happens to you, do not drive and do not use tools or machines while affected by drowsiness.
If you drink alcohol while you are on acrivastine, be aware of its effects on you and do not drink more than moderate amounts. Alcohol can increase the risk of side-effects from antihistamines.
If you are having an operation, or any treatment or tests (particularly if it is to test for an allergy), make sure you say that you are taking an antihistamine.
If you buy any other medicines 'over the counter', check with a pharmacist that they are suitable to take with an antihistamine. This is because a number of other medicines can increase the risk of side effects.
How to store acrivastine
Förvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
Vanliga frågor
How quickly does acrivastine work?
Acrivastine usually starts to relieve allergy symptoms within 15–30 minutes, with the full effect often being felt within 1-2 hours.
Can I take acrivastine every day?
Yes. Acrivastine can be taken daily when needed to control allergy symptoms. Always follow the dosage instructions on the pack or those given by your doctor or pharmacist.
Can I take acrivastine with other antihistamines?
Do not take acrivastine with other antihistamines unless advised by a doctor or pharmacist. Taking more than one antihistamine may increase the risk of side effects such as drowsiness.
Can I drink alcohol while taking acrivastine?
It is best to avoid or limit alcohol while taking acrivastine. Alcohol can increase feelings of drowsiness or dizziness in some people.
Can I take acrivastine during pregnancy or breastfeeding?
If you are pregnant, trying for a baby, or breastfeeding, speak to your doctor, pharmacist, or midwife before taking acrivastine. They can advise whether it is suitable for you.
Viktig information om alla läkemedel
Viktig information om alla läkemedel
When you buy any medicines, check with a pharmacist that they are safe to take with your prescribed medicines.
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.
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.

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Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.
Vanliga frågor
How quickly does acrivastine work?
Acrivastine usually starts to relieve allergy symptoms within 15–30 minutes, with the full effect often being felt within 1-2 hours.
Can I take acrivastine every day?
Yes. Acrivastine can be taken daily when needed to control allergy symptoms. Always follow the dosage instructions on the pack or those given by your doctor or pharmacist.
Can I take acrivastine with other antihistamines?
Do not take acrivastine with other antihistamines unless advised by a doctor or pharmacist. Taking more than one antihistamine may increase the risk of side effects such as drowsiness.
Can I drink alcohol while taking acrivastine?
It is best to avoid or limit alcohol while taking acrivastine. Alcohol can increase feelings of drowsiness or dizziness in some people.
Can I take acrivastine during pregnancy or breastfeeding?
If you are pregnant, trying for a baby, or breastfeeding, speak to your doctor, pharmacist, or midwife before taking acrivastine. They can advise whether it is suitable for you.
Vidare läsning och referenser
- Manufacturer's PIL, Benadryl® Allergy Relief; McNeil Products Ltd, The electronic Medicines Compendium. Dated November 2020.
Om författarenVisa fullständig biografi

Michael Stewart, MRPharmS
Ansvarig för granskning av medicinbroschyrer – Konsult, Apotekare
BPharm (Hons), MRPharmS
Michael är en apotekare som arbetar i Midlands och South Yorkshire med mer än 20 års erfarenhet av att ge råd om läkemedel och medicinska tillstånd. Han har en stark bakgrund inom vårdutbildning och har producerat och levererat utbildningskurser för apoteksteam och personal inom vårdboenden, inklusive sjuksköterskor. Han har också bidragit till apoteksrådgivande styrelser för hantering av mindre allvarliga tillstånd i samhället.
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
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
Next review due: 11 Jul 2027
12 Jan 2023 | Senaste versionen

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