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Cefradine for infection

Before you take cefradine, make sure your doctor knows if you have ever had an allergic reaction to any other antibiotic.

Space your doses out evenly over the day and complete the full course of the antibiotic, even if you feel your infection has cleared up.


The most common side-effect is diarrhoea, which is usually mild and soon passes. If it becomes severe or lasts for more than 24 hours, you should speak with your doctor.


At a glance

  • Cefradine is an antibiotic used to treat bacterial infections like those in the urinary tract, skin, and throat.

  • It works by killing the bacteria that cause the infection.

  • Tell your doctor if you have kidney problems or have had allergic reactions to other antibiotics, especially penicillin.

  • Take capsules exactly as prescribed, ideally evenly spaced throughout the day.

  • Complete the full course of treatment, even if you feel better.

  • Common side-effects include diarrhoea, dizziness, nausea, and stomach upset.

  • Seek immediate medical help for an itchy rash, swollen face, or breathing difficulties, as these could be signs of an allergic reaction.

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About cefradine

Type de médicament

A cephalosporin antibiotic

Utilisé pour

Infections

Aussi appelé

Cephradine (in US)

Disponible sous forme de

Capsules

Cefradine is a broad-spectrum antibiotique, which means that it is active against a wide variety of bacteria. It is used to treat bacterial infections such as urinary tract infections, skin infections, chest et throat infections, infections de l'oreille et sinusite. It is suitable for adults and older children, and can be taken during pregnancy. Some people who are allergic to penicillin antibiotics may not be able to take cefradine, so make sure your doctor knows if you have ever had an allergic reaction to any other antibiotic.

Cefradine treats an infection by killing the bacteria that are causing it.

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 taking cefradine it is important that your doctor knows:

  • If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you have had a bad reaction to a penicillin or cephalosporin antibiotic.

  • Si vous avez des problèmes avec le fonctionnement de vos reins.

  • If you are pregnant, trying for a baby or breastfeeding. (Although cefradine is not known to be harmful to babies, it is still important that you tell your doctor if you are expecting or breastfeeding a baby.)

  • Si vous prenez ou utilisez d'autres médicaments. Cela inclut tous les médicaments que vous prenez et qui sont disponibles à l'achat sans ordonnance, ainsi que les médicaments à base de plantes et complémentaires.

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  • Before you start taking cefradine, read the manufacturer's printed information leaflet from inside your pack. The manufacturer's leaflet will give you more information about the antibiotic and a full list of side-effects which you may experience from taking it.

  • There are two strengths of cefradine capsules available: 250 mg and 500 mg. It is usual to be prescribed either 250-500 mg to be taken four times a day, or 500 mg-1 g to be taken twice a day. Your doctor will tell you which dose is right for you, and this information will be printed on the label of the pack to remind you. Take the capsules exactly as your doctor tells you to. Your doctor will also tell you how long your course of treatment will last - this is commonly about five days.

  • Cefradine capsules can be taken either before or after food, although they may start to work a little sooner if they are taken before food.

  • Space your doses out evenly throughout the day. Keep taking the antibiotic until the course is finished unless you are told to stop. Taking the full course is important (even if you feel your infection has cleared up) in order to prevent the infection from coming back.

  • Si vous oubliez de prendre une dose, prenez-en une dès que vous vous en souvenez. Essayez de prendre le nombre correct de doses chaque jour, mais ne prenez pas deux doses en même temps pour compenser.

  • Certaines personnes développent une mycose (rougeur et démangeaisons dans la bouche ou le vagin) après avoir pris une cure d'antibiotiques. Si vous pensez avoir une mycose, parlez-en à votre médecin ou à votre pharmacien pour obtenir des conseils.

  • Si vous utilisez une contraception hormonale combinée orale (la 'pilule'), des précautions contraceptives supplémentaires telles que des préservatifs sont recommandées pendant un certain temps si vous avez des nausées (vomissements) ou de la diarrhée qui durent plus de 24 heures. Si vous avez besoin de plus de conseils à ce sujet, parlez-en à votre médecin ou à votre pharmacien.

  • If you are having an operation or any other medical treatment, tell the person carrying out the treatment that you are taking an antibiotic. This is because cefradine may interfere with the results of some tests to check for sugar in your urine.

  • Cefradine may stop the oral typhoid vaccine from working. If you are having any vaccinations, make sure the person treating you knows that you are taking this antibiotic.

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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 cefradine. You will find a full list in the manufacturer's information leaflet supplied with your medicine. 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.

Common

cefradine side-effects

Que puis-je faire si je ressens cela ?

Diarrhée

Drink plenty of water to replace any lost fluids. If the diarrhoea continues for longer than 24 hours, becomes severe, or contains blood, let your doctor know

immédiatement

Vertiges

If affected, do not drive and do not operate any tools or machinery until you feel better

Feeling sick (nausea) or being sick (vomiting), tummy (abdominal) discomfort

Stick to simple foods. If you are not already doing so, try taking your doses after meals

Skin rash, and other allergic-type reactions

Informez votre médecin dès que possible, car votre traitement pourrait devoir être modifié

Important: if you develop an itchy rash, a swollen face or mouth, or have difficulty breathing, these can be signs that you are allergic to the antibiotic. Do not take any more cefradine and speak with your doctor or go to your local accident and emergency department straightaway.

If you experience any other symptoms which you think may be due to this medicine, speak with your doctor or pharmacist for further advice.

  • Gardez tous les médicaments hors de la portée et de la vue des enfants.

  • Conserver dans un endroit frais et sec, à l'abri de la chaleur et de la lumière directes.

Informations importantes sur tous les médicaments

Ne prenez jamais plus que la dose prescrite. Si vous soupçonnez que vous ou quelqu'un d'autre avez pris une surdose de ce médicament, rendez-vous au service des urgences de votre hôpital local. Emportez le contenant avec vous, même s'il est vide.

Ce médicament est pour vous. Ne le donnez jamais à d'autres personnes, même si leur état semble être le même que le vôtre.

Si vous achetez des médicaments, vérifiez avec un pharmacien qu'ils sont sûrs à prendre avec vos autres médicaments.

Si vous subissez une opération ou un traitement dentaire, informez la personne qui effectue le traitement des médicaments que vous prenez.

Ne gardez pas de médicaments périmés ou indésirables. Apportez-les à votre pharmacie locale qui s'en débarrassera pour vous.

Si vous avez des questions concernant ce médicament, demandez à votre pharmacien.

Signaler les effets secondaires d'un médicament ou d'un vaccin

Si vous ressentez des effets secondaires, vous pouvez les signaler en ligne via le Yellow Card website.

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Questions fréquemment posées

What type of infections can cefradine treat?

Cefradine is a broad-spectrum antibiotic that can be used to treat various bacterial infections. This includes common conditions such as urinary tract infections, skin infections, chest and throat infections, ear infections, and sinusitis. Because it works against a wide range of bacteria, it's effective for these different types of infections.

How quickly can I expect cefradine to start working, and when should I take it relative to meals?

While cefradine capsules can be taken either before or after food, they might start to work a little sooner if you take them before eating. Regardless of when you take them, it's important to distribute your doses evenly throughout the day as advised by your doctor.

I'm taking cefradine and also use the oral contraceptive pill. Are there any concerns I should be aware of?

If you are using the oral combined hormonal contraception (the 'pill') and experience sickness (vomiting) or diarrhoea that lasts for more than 24 hours while taking cefradine, it's recommended to use additional contraceptive precautions, such as condoms, for a period of time. If you need more specific advice on this, you should speak with your doctor or pharmacist.

What should I do if I forget to take a dose of cefradine?

If you miss a dose of cefradine, take it as soon as you remember. It's important to try and take the correct number of doses each day. However, you should not take two doses at the same time to compensate for a forgotten one.

My symptoms are improving; can I stop taking cefradine early?

No, it's very important to keep taking cefradine until your full prescribed course is finished, even if you feel your infection has cleared up. Completing the entire course helps to prevent the infection from returning.

What should I do if I suspect I'm having an allergic reaction to cefradine?

If you experience concerning symptoms such as an itchy rash, a swollen face or mouth, or difficulty breathing, these could be signs of an allergic reaction to the antibiotic. In this situation, you should immediately stop taking cefradine and either speak with your doctor or go to your local accident and emergency department straight away.

Can cefradine affect other medical tests or treatments I might have?

Yes, cefradine can interfere with the results of some tests that check for sugar in your urine. Also, it may stop the oral typhoid vaccine from working effectively. If you are having an operation, any other medical treatment, or vaccinations, you should always inform the person carrying out the treatment that you are taking cefradine.

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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

Author image

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.

Historique de l'article

Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.

  • Next review due: 13 Oct 2027
  • 15 avr. 2023 | Dernière version

    Dernière mise à jour par

    Michael Stewart, MRPharmS

    Revu par

    Sid Dajani
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