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Phenoxymethylpenicillin for infection

Penicillin V

Phenoxymethylpenicillin is a type of penicillin - do not take it if you are allergic to penicillin. Make sure you tell your doctor if you are allergic to penicillin.

Distribuya sus dosis de manera uniforme a lo largo del día y complete el curso completo del antibiótico, incluso si siente que su infección ha desaparecido.

Take phenoxymethylpenicillin when your stomach is empty of food (so an hour before you eat, or two hours afterwards).

Common side effects include nausea, vomiting, diarrhoea, and thrush.

Si tiene una reacción alérgica (como hinchazón alrededor de la boca, dificultades para respirar o una erupción roja), contacte a un médico de inmediato.

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About phenoxymethylpenicillin

Tipo de medicamento

A penicillin antibiotic

Usado para

Infections (in adults and children)

También llamado

Penicillin V

Disponible como

Tabletas y medicina líquida oral

Phenoxymethylpenicillin is a type of penicillin antibiotic used to treat infections such as infecciones respiratorias, amigdalitis, celulitis, recurrentes, y abscesos dentales.

It is used in particular for respiratory infections in children. You may also be prescribed phenoxymethylpenicillin to protect against infection if (for example) you have had rheumatic fever, or if you have sickle-cell disease, or if you have had your spleen removed.

Phenoxymethylpenicillin works by killing the germs that are causing the infection.

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The most common side effects of phenoxymethylpenicillin are:

  • Sentirse mal (náuseas).

  • Estar enfermo (vómitos).

  • Dolor estomacal.

  • Diarrea.

  • Candidiasis.

  • Erupción cutánea.

The best place to 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 of the following continue or become troublesome.

Common phenoxymethylpenicillin side effects (these affect around 1 in 10 people)

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Feeling sick or being sick, tummy (abdominal) pain

Mantente con alimentos simples

Diarrea

Drink plenty of water to replace any lost fluids. If the diarrhoea continues, becomes severe, or contains blood, let your doctor know de inmediato

Redness and itchiness (thrush) in the mouth or vagina

Speak with your doctor or pharmacist for advice about treatment

Erupción cutánea y otras reacciones de tipo alérgico

Let your doctor know as soon as possible as your treatment may need to be changed

Importante: if you develop an itchy rash, swollen face or mouth, or have difficulty breathing, these could be signs that you are allergic to a penicillin antibiotic.

Do not take any more phenoxymethylpenicillin, and speak with your doctor or go to your local accident and emergency department straightaway.

Si experimenta otros síntomas que cree que pueden deberse al medicamento, hable con su médico o farmacéutico para obtener más consejos.

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Some medicines are not suitable for people with certain conditions. Before starting phenoxymethylpenicillin let your doctor or dentist know about any of the following:

  • If you have an allergic condition (such as asthma, eczema, or hay fever), or if you have ever had an allergic reaction to a medicine. This is especially important if you have ever had a bad reaction to any penicillin antibiotic.

  • If you are pregnant or breastfeeding (although phenoxymethylpenicillin is not known to be harmful to babies).

  • 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.

  • Read the leaflet in the pack before starting fenoximetilpenicilina. It explains how to take it and lists possible side effects.

  • Take phenoxymethylpenicillin exactly as prescribed. For short-term infections, take it four times a day; for long-term prevention, take one or two doses daily.

    • Your doctor or pharmacist will tell you what dose is right for you to take, and the full directions will also be printed on the label of the pack to remind you about what was said to you.

    • It is important that you space out the doses evenly during the day.

  • If you have been given liquid medicine for a child, read the directions carefully to make sure you measure out the correct amount of medicine.

  • Take phenoxymethylpenicillin on an empty stomach - 1 hour before or 2 hours after eating - so your body can absorb it properly.

  • If you forget to take a dose at your usual time, take it as soon as you remember. Try to take the correct number of doses each day, but do not take two doses at the same time to make up for a forgotten dose.

  • Finish the full course of phenoxymethylpenicillin, even if you feel better, unless your doctor tells you to stop.

  • Treatment usually lasts 7–10 days. If you’re still unwell after finishing, see your doctor. For long-term prevention, take it as prescribed.

  • Thrush (in the mouth or vagina) can occur after antibiotics - speak to your doctor or pharmacist if this happens.

  • This antibiotic can stop the oral typhoid vaccine from working. If you are due to have any vaccinations, make sure the person treating you knows that you are taking this medicine.

  • 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.

  • If you have been given liquid medicine, store it in a refrigerator. It will have been made up by the pharmacy and lasts for seven days, so check the expiry date on the bottle and do not use it after this date.

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. Nunca 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 sea seguro tomarlo junto con tus otros medicamentos.

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.

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.

Can I drink alcohol on phenoxymethylpenicillin?

Yes, you can usually drink alcohol while taking phenoxymethylpenicillin. Alcohol does not directly interfere with how the medicine works, but drinking may make side effects like stomach upset or dizziness feel worse.

Will taking phenoxymethylpenicillin affect my contraception?

Phenoxymethylpenicillin does not usually affect hormonal contraception. You can continue using the pill, patch or coil as normal while taking this antibiotic. If you are concerned, speak to your doctor or pharmacist for reassurance.

Can I drive or ride a bike whilst taking phenoxymethylpenicillin?

Yes, you can usually drive or ride a bike while taking phenoxymethylpenicillin. The antibiotic does not normally affect your ability to drive.

Is phenoxymethylpenicillin stronger than amoxicillin?

No, phenoxymethylpenicillin is not generally considered stronger than amoxicillin. Amoxicillin is usually preferred for a wider range of infections because it is absorbed better and works against more types of bacteria. Phenoxymethylpenicillin is still effective, but it is typically used for more specific infections, such as strep throat.

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Lecturas adicionales y referencias

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Historial del artículo

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

  • Próxima revisión: 18 Jun 2027
  • 19 Dic 2022 | Última versión

    Última actualización por

    Michael Stewart, MRPharmS

    Revisado por pares por

    Sid Dajani
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