Aspirin for pain or fever
Anadin, Disprin
Revisado por pares por Dr Colin Tidy, MRCGPÚltima actualización por Michael Stewart, MRPharmSLast updated 30 de agosto de 2023
Cumple con las directrices editoriales
- DescargarDescargar
- Compartir
- Language
- Discusión
- Versión en audio
- Add to preferred sources on Google
You can take a dose of aspirin every 4-6 hours if needed, but do not take more than 4 g in any 24-hour period.
You must not take these tablets with any other medication which contains aspirin, or with any non-steroidal anti-inflammatory painkiller.
The most common side effects of aspirin are stomach pain, indigestion, and feeling sick (nausea).
Do not give aspirin to children under 16 years of age.
En este artículo:
Video picks for Analgésicos y medicamentos para el dolor
Continúa leyendo abajo
About aspirin
Tipo de medicamento | An antipyretic analgesic |
Usado para | Relief of fever, and aches and pains such as headache, toothache and period pains |
También llamado | Acetylsalicylic acid; Anadin®; Disprin®; Nu-Seals®; Resprin® |
Disponible como | Tablets, dispersible tablets, melt-in-the-mouth (orodispersible) tablets, enteric-coated tablets and suppositories |
What is aspirin used for?
Volver al contenidoAspirin is a painkiller used to relieve pain such as dolor de cabeza, toothache, and dolor menstrual. It is also suitable to treat resfriado y 'flu-like' symptoms, and to reduce a high temperature (fever).
It can be taken by adults and by children over 16 years of age, but it is reportado suitable for younger children.
Low-strength aspirin is also prescribed to help prevent unwanted blood clots from forming within the body.
Continúa leyendo abajo
Side effects of aspirin
Volver al contenidoCommon side effects of aspirin are:
Dolor estomacal.
Náuseas.
Indigestión.
Bleeding more easily (such as nosebleeds or bruising).
You will find a full list of side effects in the manufacturer's information leaflet supplied with your medicine.
How to manage aspirin side effects
Volver al contenidoLos efectos no deseados a menudo mejoran a medida que su cuerpo se adapta al nuevo medicamento, pero hable con su médico o farmacéutico si alguno de los siguientes persiste o se vuelve problemático.
Common aspirin side effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Feeling sick, indigestion | Stick to simple foods and take your dose of aspirin after a meal. If this continues, speak with your doctor for further advice. |
Increased risk of bleeding (such as nosebleeds) | If you notice any unexplained bleeding, speak with a doctor for advice. |
Importante: aspirin may cause allergic reactions; this is more common in people who have asthma. Stop taking aspirin and speak with a doctor urgently if you have an allergic reaction or develop any breathing difficulties.
Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.
Continúa leyendo abajo
Who should not take aspirin?
Volver al contenidoSome medicines aren’t suitable for everyone. Before taking aspirin, your doctor or pharmacist needs to know:
Si estás embarazada, intentando tener un bebé o amamantando.
If you have ever had a stomach ulcer or gout.
Si tienes asma u otro trastorno alérgico.
Si tiene algún problema con el funcionamiento de su hígado o de sus riñones.
If you have heart failure or a problem with your thyroid gland.
If you have a blood disorder such as haemophilia, or glucose-6-phosphate dehydrogenase (G6PD) deficiency.
If you have ever had an unusual or allergic-type reaction after taking aspirin or a non-steroidal anti-inflammatory drug (NSAID).
NSAIDs include ibuprofeno, diclofenaco, indometacina y naproxeno. You should also let your doctor know if you have ever had an allergic reaction to any other medicine.
Si está tomando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para comprar sin receta, así como medicamentos herbales y complementarios.
How to take aspirin
Volver al contenidoBefore taking aspirin, read the leaflet inside the pack for important information and possible side effects.
Take aspirin exactly as directed on the label or by your healthcare professional.
The usual dose is 1-3 tablets (300 mg each) every 4-6 hours as needed.
Do not take more than 13 tablets (4 g) in 24 hours.
If you have been given soluble (dispersible) tablets, take each of your doses stirred into a small glass of water.
Take regular aspirin with or just after food to help reduce stomach irritation.
Gastro-resistant (enteric-coated) aspirin can be taken before food, as the coating helps protect your stomach.
Swallow these tablets whole with water - do not crush or chew them.
Do not take indigestion remedies in the 2 hours before or after taking gastro-resistant aspirin, as they can stop the coating from working properly.
Melt-in-the-mouth (orodispersible) tablets should be placed on the tongue and allowed to dissolve. Take care not to handle the tablets too much before placing on the tongue.
If you forget to take a dose, do not worry. No tome dos dosis juntas to make up for a forgotten dose.
Obteniendo el máximo de tu tratamiento
Volver al contenidoAspirin must not be given to children under 16 unless prescribed by a doctor, as it is linked to a rare but serious condition called Reye’s syndrome.
Before taking any over-the-counter medicines, check with a pharmacist.
Do not take aspirin with other medicines that contain aspirin or with anti-inflammatory painkillers like ibuprofen. Many painkillers and cold and flu remedies contain these, so always read the label.
If you think too much aspirin has been taken, or a child may have taken it by accident, go to A&E immediately. Take the medicine packaging with you, even if it’s empty.
How to store aspirin
Volver al contenidoMantenga 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.
Información importante sobre todos los medicamentos
Volver al contenidoInformación importante sobre todos los medicamentos
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.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
Si vas a someterte a una operación o a un tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás tomando.
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 Yellow Card website.
Preguntas frecuentes
Volver al contenidoHow long does it take for aspirin to work?
Aspirin usually starts working within 20-30 minutes of taking. Pain relief continues to improve over the next 1-2 hours with the effects lasting for up to 6 hours.
Can you drink alcohol with aspirin?
It is best to avoid or limit alcohol when taking aspirin as it can increase the risk of stomach irritation and bleeding.
Is it safe to take aspirin during pregnancy?
Aspirin is generally not recommended during pregnancy, but a low dose may be used as a blood thinner. Higher doses for pain or fever are usually avoided, especially in later stages.
Is aspirin a blood thinner?
Yes. Aspirin acts as a blood thinner by reducing how easily blood clots.
Does aspirin lower blood pressure?
Aspirin does not directly lower blood pressure, but it may help reduce the risk of heart attack or stroke in some people when prescribed.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Lecturas adicionales y referencias
- Manufacturer's PIL, Disprin® 300 mg dispersible tablets; Reckitt Benckiser Healthcare (UK) Ltd, The electronic Medicines Compendium. Dated November 2020.
Continúa leyendo abajo
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Siguiente revisión prevista: 29 de agosto de 2026
30 de agosto de 2023 | Última versión

Pregunta, comparte, conecta.
Navega por discusiones, haz preguntas y comparte experiencias en cientos de temas de salud.
Suscríbete al boletín de Patient
Tu dosis semanal de consejos de salud claros y confiables, escritos para ayudarte a sentirte informado, seguro y en control.
By subscribing you accept our Política de Privacidad. Puedes darte de baja en cualquier momento. Nunca vendemos tus datos.