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Homatropine eye drops

Nota del editor

Michael Stewart 09/05/2018: There are currently no licensed eye drop products containing homatropine available in the UK. Homatropine 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 and is left here for reference purposes only. Please also refer to the manufacturer's information supplied with your medicine.

Homatropine eye drops allow your doctor to examine your eye more easily.

The drops can cause blurred vision which may last for several hours. Do not drive and do not use tools or machines until your vision is clear again.

At a glance

  • Homatropine eye drops enlarge your pupil and relax eye muscles.

  • They are used to help eye examinations and to treat anterior uveitis.

  • Tell your doctor if you wear contact lenses or have high eye pressure.

  • These drops can cause blurred vision, so do not drive until your vision is clear.

  • Do not reuse opened bottles of homatropine eye drops.

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About homatropine eye drops

Tipo de medicamento

An antimuscarinic

Usado para

To make the pupil of your eye larger and relax the muscles in your eye

Disponible como

Eye drops (discontinued UK)

Homatropine makes the pupil of your eye larger and relaxes the muscles in your eye. These things make it easier for your eye to be examined and your vision tested.

Homatropine drops can also be prescribed during the treatment of a condition called anterior uveitis. This is a painful eye condition caused by inflammation within the eye. By making your pupil larger and relaxing the muscles in your eye, it reduces pain and allows the inflamed part of your eye to rest and recover.

To make sure this is the right treatment for you, before you use the drops it is important that your doctor knows:

  • If you have ever had an allergic reaction to any eye drops.

  • If you normally wear contact lenses.

  • If you have been told you have a higher than normal pressure in your eye, or if you have glaucoma.

  • 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.

  • Si estás embarazada o amamantando.

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Homatropine eye drops will generally be administered for you, but if you are asked to put the drops in yourself, then:

  1. Wash your hands well before you use the drops.

  2. Retire la tapa.

  3. Tilt your head back a little and pull the lower lid of your eye out to form a pocket.

  4. Sostén la botella boca abajo cerca de tu ojo. Intenta no tocar tu ojo mientras haces esto.

  5. Apply enough pressure to the dropper to release one drop into your eye. Only use a second drop if the first drop missed going into your eye.

  6. 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.

  7. Repite el proceso en tu otro ojo si te han indicado usar las gotas en ambos ojos.

  • Take care not to touch your eye, fingers or any other surface with the dropper of the bottle. This could infect the liquid left in the bottle.

  • Homatropine will cause blurred vision which may last for some time. Make sure you can see clearly again before you drive and before you use tools or machines.

  • If you are using any other eye drops or ointments, leave about ten minutes between applying each one. This is to prevent more liquid going into your eye than it can handle. Otherwise the drops will overflow from your eye and may not have the intended effect.

  • If you normally wear contact lenses, do not wear them again until your doctor advises you do so.

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Along with their useful effects, eye drops can cause unwanted side-effects although not everyone experiences them. The table below contains the most common ones associated with homatropine eye drops. Unwanted effects often improve as your body adjusts to a new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.

Homatropine side-effects

¿Qué puedo hacer si experimento esto?

Eye irritation such as mild stinging

Esto debería pasar pronto

Large pupil, blurred vision, difficulty with focusing

These may last for several hours. Do not drive and do not operate machinery until your vision is clear again

Rare side-effects: dry mouth, flushing, dry skin, constipation, difficulties passing urine, and a fast heartbeat

These should soon pass, but if you become concerned about any, speak with your doctor

Si experimenta otros síntomas que cree que pueden deberse a las gotas para los ojos, hable con su médico o farmacéutico para obtener más consejos.

  • 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.

  • There is no preservative in homatropine eye drops, so throw away the bottle after use. Never keep opened bottles of eye drops to use later. This will help to prevent the risk of eye infections.

Información 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. No lo des a otras personas, incluso si su condición parece ser la misma que la tuya.

Si compras algún medicamento, consulta con un farmacéutico que sean adecuados para tomar 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.

Informar efectos secundarios de un medicamento o vacuna

Si experimenta efectos secundarios, puede reportarlos en línea a través de Yellow Card website.

verificador de síntomas

¿Inseguro sobre mezclar medicamentos?

Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.

Preguntas frecuentes

Why do homatropine eye drops make my pupil larger and relax my eye muscles?

Homatropine eye drops work by making your pupil larger and relaxing the muscles inside your eye. This dual action is helpful for eye examinations as it makes it easier for the doctor to look into your eye and test your vision. Additionally, for conditions like anterior uveitis, this effect reduces pain by allowing the inflamed part of your eye to rest and recover.

Can I use homatropine eye drops if I wear contact lenses?

If you normally wear contact lenses, you should not wear them again until your doctor advises you that it is safe to do so after using homatropine eye drops.

How long will my vision be affected after using homatropine eye drops?

Homatropine eye drops can cause blurred vision, and this effect may last for several hours. It is important to ensure your vision is clear again before you drive, use tools, or operate machines.

I'm using other eye drops. How should I use homatropine with them?

If you are using other eye drops or ointments, you should leave approximately ten minutes between applying each one. This prevents too much liquid from entering your eye, which could cause it to overflow and reduce the effectiveness of the drops.

Are there any rare side effects I should be aware of?

Yes, some rare side effects include dry mouth, flushing, dry skin, constipation, difficulties passing urine, and a fast heartbeat. These generally should pass, but if you are concerned about any of them, you should speak with your doctor.

How should I store homatropine eye drops once I've opened the bottle?

Homatropine eye drops do not contain a preservative, so you should throw away the bottle immediately after use. It is crucial never to keep opened bottles of eye drops to use later, as this helps prevent the risk of eye infections.

What if I accidentally put more than one drop into my eye?

You should apply enough pressure to the dropper to release one drop into your eye. Only use a second drop if the first one missed going into your eye. If you find you have used more than the prescribed dose accidentally or suspect an overdose, you should go to the accident and emergency department of your local hospital and take the container with you.

Lecturas adicionales y referencias

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About the authorView full bio

Author image

Michael Stewart, MRPharmS

Medicine Leaflet Review Manager – Contractor, Pharmacist

BPharm (Hons), MRPharmS

Michael is a community pharmacist practicing in the Midlands and South Yorkshire with more than 20 years’ experience advising on medicines and medical conditions. He has a strong background in healthcare training, having produced and delivered training courses for pharmacy teams and staff of residential care settings, including nurses. He has also contributed to pharmacy advisory boards for the management of low acuity conditions in the community.

About the reviewer

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Sid Dajani

Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.

Historial del artículo

La información en esta página está escrita y revisada por pares por clínicos calificados.

  • Siguiente revisión prevista: 18 de mayo de 2027
  • 9 Jun 2024 | Última versión

    Última actualización por

    Michael Stewart, MRPharmS

    Revisado por pares por

    Sid Dajani
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