Efedrina para la congestión nasal
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 16/01/2024: At the time of review there are no branded or generic nasal products containing ephedrine available in the UK. Ephedrine nose drops may be available as a special order in the UK and may still be available in other countries. This Medicine Leaflet is based on medical information available in the UK at the time of writing and is left here for reference purposes only. Please also refer to the manufacturer's information supplied with your medicine.
Ephedrine nasal drops can help to ease a blocked nose.
Put one or two drops into each nostril up to four times a day. You can use the drops for up to seven days if required, but do not use them for longer periods.
Cualquier efecto secundario suele ser leve.
De un vistazo
Ephedrine nasal drops are used to relieve a blocked nose.
They work by narrowing blood vessels in your nose to reduce swelling.
These drops are for adults and children aged 12 years or over.
Use one or two drops in each nostril, up to four times a day.
Do not use ephedrine nasal drops for more than seven days.
Do not share bottles of nose drops with other people.
About ephedrine nasal drops
Tipo de medicamento | A nose (nasal) decongestant |
Usado para | A blocked nose (nasal congestion) |
Disponible como | Nose drops |
A common symptom of a cold is a blocked (congested) nose. A stuffy, blocked-up feeling in your nose can also occur in the absence of a cold. This is because the inside lining of your nose is sensitive to changes in the atmosphere (such as temperature and humidity changes) and this also can lead to symptoms of nasal congestion.
You may find a hot steamy shower or a steam inhalation will help to clear a blocked nose but, where this does not provide sufficient relief, a decongestant such as ephedrine may be useful. Ephedrine causes the small blood vessels in your nose to become narrower. This reduces the thickness of the lining of your nose which is causing the congestion, and relieves the blocked-up feeling.
Ephedrine nose drops (also called nasal drops) are available on a prescription from a doctor or dentist. You may also be able to buy a small pack of nose drops from a pharmacy, without a prescription. Ephedrine drops are suitable for adults and for children aged 12 years or over. They are not suitable for children under 12 years of age.
Before using ephedrine nasal drops
Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start using ephedrine nasal drops it is important that your doctor, dentist, or pharmacist knows:
Si estás embarazada o amamantando.
If you have diabetes, high blood pressure, or heart disease.
If you have an overactive thyroid gland, or any problems with your prostate gland or kidneys.
Si alguna vez has tenido una reacción alérgica a un medicamento.
If 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. You must reportado use ephedrine if you have taken a medicine for depression, known as a monoamine-oxidase inhibitor (MAOI) within the previous two weeks.
How to use ephedrine nasal drops
Sopla tu nariz suavemente para despejarla.
Unscrew the dropper from the bottle. Make sure the tip of the dropper is under the surface of the liquid in the bottle, and then squeeze the bulb of the dropper to part fill the dropper with the liquid.
Tilt your head back a little and bring the part-filled dropper close to one of your nostrils. (Do not put the dropper into your nostril.)
Gently squeeze the bulb of the dropper to release one or two drops of the liquid into your nostril. Repeat the process to release one or two drops into the other nostril also. Try not to touch your nose with the dropper as you do this.
Keep your head tilted back for a few moments to allow the drops to spread around the inside of your nose.
Close the bottle by screwing the dropper back on to the bottle gently.
Obteniendo el máximo de tu tratamiento
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. This will give you a step-by-step guide of how to use the drops, and will also provide you with a full list of the side-effects which you may experience from using them.
The usual dose is one or two drops into each nostril, three or four times a day when needed. Do not use the drops more than four times a day.
Ephedrine nasal drops should be used for short periods of time only. Do not use them for more than seven days. This is because the downside of using the drops is that nasal congestion can often return (recur) when you stop using them. This is called rebound congestion, and it can lead to cycles of further problems with congestion. Using the drops for only a few days when necessary will help to prevent this from becoming a problem.
Bottles of nose drops should only be used by one person. This is to avoid spreading infection from one person to another. Do not 'share' the bottle with other people.
Nasal congestion can be eased by inhaling warm moist air. Many people find that having a hot shower is often the best way to relieve their symptoms.
Can ephedrine nasal drops cause problems?
Along with their useful effects, many medicines can cause unwanted side-effects although not everyone experiences them. The table below lists some of the side-effects that have been associated with using ephedrine nasal drops. You will find a full list of side-effects in the manufacturer's information leaflet supplied with your drops. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
Ephedrine nasal drops side-effects | ¿Qué puedo hacer si experimento esto? |
Irritation in your nose such as burning, soreness, dryness, stinging, itching or sneezing | These should soon pass. If any become troublesome, ask your pharmacist for advice |
Sentirse mal (náuseas) | Avoid rich or spicy foods |
Dolor de cabeza | Drink plenty of water. If the headaches continue, stop using the product and ask your pharmacist for advice about other treatments |
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 ephedrine nasal 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.
To avoid contamination, do not keep part-used bottles of nose drops to use later. Throw away any unused solution after each course of treatment.
Información importante sobre todos los medicamentos
Información importante sobre todos los medicamentos
Never use more than the prescribed dose. If you suspect that someone has swallowed some of this medicine by accident, contact the accident and emergency department of your local hospital for advice.
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 tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás tomando.
Si compras algún medicamento, consulta con un farmacéutico que sea seguro tomarlo junto con tus otros medicamentos.
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.
MHRA - Reporte de reacciones adversas
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.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
Can ephedrine nasal drops be used for congestion not caused by a cold?
Yes, ephedrine nasal drops can be useful for a stuffy, blocked nose even if it's not due to a cold. Nasal congestion can also be caused by the sensitive lining of your nose reacting to atmospheric changes like temperature and humidity.
What is 'rebound congestion' and how can I avoid it when using ephedrine nasal drops?
Rebound congestion is when your nasal congestion returns, or even worsens, after you stop using decongestant nose drops. To avoid this, it's important to use ephedrine nasal drops for short periods only and for no longer than seven days.
If I am pregnant, can I use ephedrine nasal drops for nasal congestion?
If you are pregnant, your doctor, dentist, or pharmacist should be aware before you start using ephedrine nasal drops. They will determine if it is suitable for you.
What should I do if I experience irritation inside my nose after using the drops?
Irritation such as burning, soreness, dryness, stinging, or sneezing in your nose should pass soon. If these symptoms continue to be troublesome, you should ask your pharmacist for advice.
How long should I keep a bottle of ephedrine nasal drops after opening?
To prevent contamination, you should not keep part-used bottles of nose drops for later use. It's best to throw away any unused solution after each course of treatment.
Lecturas adicionales y referencias
- 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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