Acrivastina para alergias
Benadryl Allergy Relief
Revisado por pares por Dr Colin Tidy, MRCGPÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 12 de enero de 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.
De un vistazo
Acrivastina es un antihistamínico utilizado para aliviar los síntomas de alergias como la fiebre del heno y la urticaria.
Funciona bloqueando la histamina, reduciendo los estornudos, la picazón, los ojos llorosos y la secreción nasal.
Common side effects include feeling sleepy and dry mouth.
Puedes comprar cápsulas de acrivastina sin receta.
No conduzca ni utilice herramientas si se siente somnoliento después de tomar acrivastina.
Consulte a un médico o farmacéutico antes de tomarlo si está embarazada, tiene más de 65 años o tiene problemas renales.
Resumen
Tipo de medicamento | An antihistamine (non-drowsy) |
Usado para | Allergies such as hay fever and some allergic skin reactions, in adults and in children over 12 years of age |
También llamado | Benadryl® Allergy Relief |
Disponible como | Cápsulas |
What is acrivastine used for?
Acrivastine is a type of antihistamine used to relieve the symptoms of allergies such as fiebre del heno y 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.
Boca seca.
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 | ¿Qué puedo hacer si experimento esto? |
Sensación de sueño | If this happens, do not drive and do not use tools or machines while affected. Do not drink alcohol |
Boca seca | Intenta masticar chicle sin azúcar o chupar caramelos sin azúcar |
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.
Tiene epilepsia.
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.
Obteniendo el máximo de tu tratamiento
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
Mantenga todos los medicamentos fuera del alcance y la vista de los niños.
Almacenar en un lugar fresco y seco, lejos del calor y la luz directos.
Preguntas frecuentes
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.
Información importante sobre todos los medicamentos
Información importante sobre todos los medicamentos
When you buy any medicines, check with a pharmacist that they are safe to take with your prescribed medicines.
Nunca tome más de la dosis prescrita. Si sospecha que usted u otra persona podría haber tomado una sobredosis de este medicamento, acuda al departamento de accidentes y emergencias de su hospital local. Lleve el envase con usted, incluso si está vacío.
No guardes medicamentos caducados o no deseados. Llévalos a tu farmacia local, que se encargará de desecharlos por ti.
Si tienes alguna pregunta sobre este medicamento, consulta a tu farmacéutico.
Informar efectos secundarios de un medicamento o vacuna
Si experimenta efectos secundarios, puede reportarlos en línea a través de Sitio web de Yellow Card.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
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.
Lecturas adicionales y referencias
- Manufacturer's PIL, Benadryl® Allergy Relief; McNeil Products Ltd, The electronic Medicines Compendium. Dated November 2020.
Sobre el autorVer biografía completa

Michael Stewart, MRPharmS
Gerente de Revisión de Folletos de Medicamentos – Contratista, Farmacéutico
BPharm (Hons), MRPharmS
Michael es un farmacéutico comunitario que ejerce en Midlands y South Yorkshire con más de 20 años de experiencia asesorando sobre medicamentos y condiciones médicas. Tiene una sólida formación en capacitación en atención médica, habiendo producido e impartido cursos de formación para equipos de farmacia y personal de entornos de atención residencial, incluidas enfermeras. También ha contribuido a juntas asesoras de farmacia para la gestión de condiciones de baja gravedad en la comunidad.
Acerca del revisorVer biografía completa

Dr Colin Tidy, MRCGP
Médico General, Autor Médico
MBBS, MRCGP, MRCP (Paediatrics), DCH
El Dr. Colin Tidy es un médico del NHS, con sede en Oxfordshire.
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Artículo también disponible en Inglés, Alemán, Español, Francés, Italiano, Portugués, Hindi, Hebreo, Árabe, y Sueco.
Siguiente revisión prevista: 11 de julio de 2027
12 de enero de 2023 | Última versión

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