Gotas para los ojos de emedastina para la fiebre del heno
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 18 Ene 2024
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Clinical author's note Michael Stewart 02/02/2021: Emadine® eye drops were discontinued in the UK in April 2017. At the time of review there are no branded or generic eye drop products containing emedastine available in the UK or USA. Emedastine eye drops may still be available in other countries. This Medicine Leaflet is based on medical information available in the UK at the time of writing. Please also refer to the manufacturer's information supplied with your medicine.
Emedastine drops relieve eye irritation associated with allergies like hay fever.
Use one drop twice a day, in the morning and the evening
It is not recommended that you wear soft contact lenses while you are using the drops.
De un vistazo
Emedastine eye drops are an antihistamine used for eye irritation from seasonal allergic conjunctivitis (hay fever).
These drops block histamine, reducing red, itchy, and watery eyes.
Use the drops twice a day, usually in the morning and evening.
Do not wear soft contact lenses with these drops, unless advised otherwise by your doctor.
If symptoms do not improve within a week, or worsen, see your doctor.
Eye drops only last four weeks once opened.
Blurred vision and eye discomfort are common but usually temporary side-effects.
About emedastine eye drops
Tipo de medicamento | Antihistamine eye preparation |
Usado para | Eye irritation associated with seasonal allergic conjunctivitis |
También llamado | Emadine® (discontinued) |
Disponible como | Gotas para los ojos |
Fiebre del heno is caused by an allergy to pollen. The symptoms of hay fever are due to your immune system reacting to pollen. Cells on the lining of your eyes release a chemical called histamine, which causes conjunctivitis (eye inflammation). Hay fever is also called seasonal allergic conjunctivitis because symptoms tend to occur at the same time, or in the same season, each year. Typical symptoms of seasonal allergic conjunctivitis are red, itchy and watery eyes. Emedastine drops relieve these symptoms by blocking the action of histamine in the cells on the surface of your eyes.
Before using emedastine eye drops
Para asegurarse de que este es el tratamiento adecuado para usted, antes de comenzar a usar las gotas para los ojos es importante que su médico sepa:
Si usas lentes de contacto blandos.
If you are pregnant. Emedastine drops can usually be used if you are expecting a baby, but it is still important that you tell your doctor about this.
If you have kidney or liver problems, or if you are over 65 years of age. This is because emedastine has not been studied in these groups of people.
If the drops are for a young child. Emedastine drops are not recommended for a child under 3 years old.
If you have ever had an allergic reaction to an antihistamine or to any eye drops.
If you are taking or using any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
How to use emedastine eye drops
Lávese bien las manos antes de usar las gotas.
Open the bottle.
Inclina un poco la cabeza hacia atrás y tira del párpado inferior hacia abajo para formar un bolsillo.
Sostén la botella boca abajo cerca de tu ojo. Intenta no tocar tu ojo mientras haces esto.
Gently press on the base of the bottle to release one drop into your eye.
Cierra el ojo durante uno o dos minutos y presiona suavemente el lado de tu nariz donde la esquina de tu ojo se encuentra con tu nariz. Esto ayuda a evitar que la gota se drene y la mantiene en tu ojo.
Repite el proceso en tu otro ojo si te han indicado usar las gotas en ambos ojos.
Put the cap back on the bottle.
Obteniendo el máximo de tu tratamiento
Before using the eye drops, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about emedastine drops and will provide you with a full list of the side-effects which you may experience from using them.
Use emedastine drops twice a day. Most doctors will recommend using them in the morning and the evening. You may need to continue to use the drops until the pollen season ends - this will often mean using them for a number of weeks.
Take care not to touch your eye, fingers, or any other surface with the dropper of the bottle. This could infect the drops left in the bottle.
When you first put the drops into your eye, it may cause blurred vision. This should quickly clear, but make sure you can see clearly again before you drive and before you use machines or tools.
If your symptoms do not improve within a week, or if they become worse, check again with your doctor for further advice.
If you are using any other eye drops, leave at least five minutes between applying each preparation. This is to prevent more liquid going into your eye than it can handle. Otherwise the drops will overflow from your eye and not have the intended effect.
Do not wear soft contact lenses while you are using emedastine eye drops, unless your doctor has advised you otherwise. This is because there is a preservative in the drops which can affect soft contact lenses.
Can emedastine eye drops cause problems?
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with emedastine eye drops. You will find a full list in the manufacturer's information leaflet supplied with the drops. Speak with your doctor if any of the following continue or become troublesome.
Common emedastine side-effects | ¿Qué puedo hacer si experimento esto? |
Blurred vision, eye discomfort (such as burning or stinging), itchy eyes, redness | These usually disappear within a few minutes of using the drops. Do not drive and do not use tools or machines unless your vision is clear |
Occasional headache | If this becomes troublesome, ask your pharmacist to recommend a suitable painkiller |
If you experience any other symptoms which you think may be due to the drops, speak with your doctor or pharmacist for further advice
How to store emedastine eye drops
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.
Eye drops only keep for four weeks once the bottle has been opened, so do not use the drops if the bottle has been open for longer than this. This will help to prevent eye infections.
Información importante sobre todos los medicamentos
Información importante sobre todos los medicamentos
If you buy any medicines check with a pharmacist that they are safe to use with your other medicines.
Never use more than the prescribed dose.
Si sospecha que alguien ha ingerido parte de este medicamento, acuda al departamento de urgencias de su hospital local. Lleve el envase con usted, incluso si está vacío.
Si vas a someterte a una operación o tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás usando.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
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.
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Informe los efectos secundarios sospechosos de medicamentos, vacunas, cigarrillos electrónicos, incidentes con dispositivos médicos, productos defectuosos o falsificados (falsos) a la Agencia Reguladora de Medicamentos y Productos Sanitarios para garantizar un uso seguro y efectivo.

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Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
Can I use emedastine eye drops if I have other medical conditions like kidney or liver problems, or if I am over 65?
If you have kidney or liver problems, or if you are over 65 years old, it's important to inform your doctor before using emedastine eye drops. This is because the effects of emedastine have not been studied in these specific groups of people.
Are there any specific instructions for using emedastine eye drops with other eye treatments?
Yes, if you are using any other eye drops, you should leave at least five minutes between applying each preparation. This allows enough time for the drops to be absorbed and prevents too much liquid from accumulating in your eye, which could cause them to overflow and reduce their effectiveness.
How long can I use emedastine eye drops once I've opened the bottle?
Once opened, a bottle of emedastine eye drops only keeps for four weeks. After this period, you should not use the drops, to help prevent eye infections.
What should I do if I accidentally use more than the recommended dose of emedastine eye drops?
You should never use more than the prescribed dose of emedastine eye drops. If you suspect that someone has swallowed some of this medicine, you should go to the accident and emergency department of your local hospital immediately. Remember to take the container with you, even if it is empty.
Can I share my emedastine eye drops with someone else who has similar symptoms?
No, this medicine is specifically prescribed for you. You should never give your emedastine eye drops to other people, even if their symptoms appear to be the same as yours.
Lecturas adicionales y referencias
- FDA Drug Label, Emadine® eye drops; Alcon Laboratories, Inc. DailyMed, National Institutes of Health, US National Library of Medicines. Last updated September 2017.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
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 revisor

Sid Dajani
Sultan Dajani se graduó en la Escuela de Farmacia de Londres en 1994 y se convirtió en el miembro más joven elegido para el consejo de la Sociedad Real de Farmacia desde su fundación en 1842.
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.
Próxima revisión: 17 Ene 2027
18 Ene 2024 | Última versión

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