Cefaclor for infection
Distaclor
Revu par Dr Colin Tidy, MRCGPDernière mise à jour par Michael Stewart, MRPharmSLast updated 24 avr. 2023
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Before you take cefaclor, 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 of cefaclor 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.
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About cefaclor
Type de médicament | A cephalosporin antibiotic |
Utilisé pour | Infections |
Aussi appelé | Distaclor® |
Disponible sous forme de | Capsules, modified-release tablets and oral liquid medicine |
What is cefaclor used for?
Retour au sommaireCefaclor is a type of antibiotique used to treat bacterial infections such as urinary tract infections, skin infections, infections thoraciques, infections de l'oreille, and sinusite.
It is suitable for adults and children, and can be taken during pregnancy. Some people who are allergic to penicillin antibiotics may not be able to take cefaclor, so make sure your doctor knows if you have ever had an allergic reaction to any other antibiotic.
Cefaclor treats an infection by killing the bacteria that are causing it.
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Side effects of cefaclor
Retour au sommaireCommon side effects of cefaclor are:
Diarrhée.
Sensation de nausée.
Être malade (vomissements).
Éruption cutanée.
You will find a full list in the manufacturer's information leaflet supplied with your medicine.
Les effets indésirables s'améliorent souvent à mesure que votre corps s'adapte au nouveau médicament, mais parlez à votre médecin ou pharmacien si l'un des effets suivants persiste ou devient gênant.
How to manage cefaclor side effects
Retour au sommaireCommon cefaclor side effects | Que puis-je faire si je ressens cela ? |
Diarrhée | Drink plenty of water to replace any lost fluids. If the diarrhoea continues, becomes severe, or contains blood, let your doctor know immédiatement |
Se sentir malade ou être malade | Stick to simple foods. If you are not already doing so, try taking your doses after meals |
Skin rash (particularly in children), and other allergic-type reactions | Let your doctor know as soon as possible as your treatment may need to be changed |
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 cefaclor, 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.
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Who should not take cefaclor?
Retour au sommaireSome medicines are not suitable for people with certain conditions. Before starting cefaclor 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.
If you are pregnant, trying for a baby or breastfeeding. (Although cefaclor 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, tels que les médicaments à base de plantes et les médecines complémentaires.
How to take cefaclor
Retour au sommaireBefore you start taking cefaclor, 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.
Dosage
If you are taking capsules or liquid medicine, the usual dose for an adult is 250-500 mg three times daily. For a child, the usual dose is 62.5-250 mg three times daily, depending upon age.
Your doctor will tell you what dose is right for you (or your child) and this information will be printed on the label of the pack to remind you.
Your course of treatment may be for longer or shorter periods of time than mentioned here, so it is important that you take cefaclor exactly as your doctor tells you to.
If you have been given liquid medicine, read the directions carefully to make sure you measure out the correct amount of medicine. Cefaclor capsules and liquid medicine can be taken either before or after food, although they may start to work sooner if they are taken before food.
If you are taking cefaclor modified-release tablets (for example, Distaclor MR®), you will be prescribed one or two tablets to take twice daily. Take the tablets with meals and swallow the tablets whole - do not chew or break them.
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.
Missed dose
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.
Tirer le meilleur parti de votre traitement
Retour au sommaireThrush (redness and itching in the mouth or vagina) may occur after taking antibiotics. If you think you have thrush speak with your doctor or pharmacist for advice.
Avoid antacids 2 hours before or after taking cefaclor, as they can reduce absorption.
If you take the oral contraceptive pill and have vomiting or diarrhoea lasting more than 24 hours, use extra contraception like condoms and ask your doctor or pharmacist for advice.
Cefaclor 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 medicine.
How to store cefaclor
Retour au sommaireGardez 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.
If you have been given liquid medicine, store it in a refrigerator. It will have been made up by the pharmacy and lasts for 14 days, so check the expiry date on the bottle and do not use it after this date.
Informations importantes sur tous les médicaments
Retour au sommaireInformations 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.
Questions fréquemment posées
Retour au sommaireHow long does cefaclor take to work?
Cefaclor usually starts to work within a few days of starting treatment. Most people beginning to notice an improvement in their symptoms within 48 to 72 hours.
Can you drink alcohol cefaclor?
You can drink alcohol while taking cefaclor, as there’s no direct interaction between the two. However, alcohol may worsen side effects such as dizziness, nausea, or stomach upset, and can slow recovery from infection. It’s best to limit or avoid alcohol until you feel better and have finished your course of antibiotics.
Is cefaclor a penicillin?
No, cefaclor is not a penicillin. It belongs to a class of antibiotics called cephalosporins, which work in a similar way to penicillins but are chemically different.
Are cephalexin and cefaclor the same?
No, cephalexin and cefaclor are not the same, though both belong to the cephalosporin class of antibiotics. They are used to treat similar types of bacterial infections, but they differ in strength, dosing, and specific indications.

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Vérifiez les interactions possibles entre les médicaments, les compléments et les aliments avant de les prendre ensemble.
Lectures complémentaires et références
- Manufacturer's PIL, Distaclor® 500 mg capsules; Flynn Pharma Ltd, The electronic Medicines Compendium. Dated May 2022.
- Manufacturer's PIL, Distaclor® MR 375 mg tablets; Flynn Pharma Ltd, The electronic Medicines Compendium. Dated May 2022.
- Manufacturer's PIL, Distaclor® Suspension 125 mg/5 ml; Flynn Pharma Ltd, The electronic Medicines Compendium. Dated May 2022.
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Historique de l'article
Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.
Prochaine révision prévue : 17 oct. 2027
24 avr. 2023 | Dernière version

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