Cefaclor for infection
Distaclor
Granskad av Dr Colin Tidy, MRCGPSenast uppdaterad av Michael Stewart, MRPharmSLast updated 24 apr 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.
Fördela dina doser jämnt över dagen och fullfölj hela antibiotikakuren, även om du känner att din infektion har gått över.
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.
At a glance
Cefaclor is an antibiotic used to treat bacterial infections like urinary tract infections or ear infections.
It is suitable for adults and children and can be taken during pregnancy.
Common side effects include diarrhoea, feeling sick, being sick, and skin rash.
Tell your doctor if you have had an allergic reaction to any antibiotic before taking cefaclor.
If you get an itchy rash, swollen face or mouth, or difficulty breathing, seek urgent medical help.
Always finish the full course of antibiotics, even if you feel better.
Cefaclor usually starts to work within a few days, with improvements often noticed within 48 to 72 hours.
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About cefaclor
Typ av medicin | En cefalosporin antibiotika |
Används för | Infektioner |
Även kallad | Distaclor® |
Tillgänglig som | Capsules, modified-release tablets and oral liquid medicine |
What is cefaclor used for?
Tillbaka till innehållCefaclor is a type of antibiotic used to treat bacterial infections such as urinvägsinfektioner, skin infections, bröstinfektioner, öroninfektioner, and bihåleinflammation.
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
Tillbaka till innehållCommon side effects of cefaclor are:
Diarré.
Känna sig illamående (illamående).
Kräkningar.
Hudutslag.
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.
How to manage cefaclor side effects
Tillbaka till innehållCommon cefaclor side effects | Vad kan jag göra om jag upplever detta? |
Diarré | Drink plenty of water to replace any lost fluids. If the diarrhoea continues, becomes severe, or contains blood, let your doctor know omedelbart |
Feeling sick or being sick | 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 | Låt din läkare veta så snart som möjligt eftersom din behandling kan behöva ändras |
Viktigt: 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.
Om du upplever några andra symtom som du tror kan bero på denna medicin, tala med din läkare eller apotekare för vidare råd.
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Who should not take cefaclor?
Tillbaka till innehållSome medicines are not suitable for people with certain conditions. Before starting cefaclor it is important that your doctor knows:
Om du någonsin har haft en allergisk reaktion mot ett läkemedel. Det är särskilt viktigt att du berättar för din läkare om du har haft en dålig reaktion på ett penicillin- eller cefalosporinantibiotikum.
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.)
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.
How to take cefaclor
Tillbaka till innehållBefore 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.
Fördela dina doser jämnt över dagen. Fortsätt ta antibiotikan tills kuren är avslutad om du inte får instruktioner att sluta. Det är viktigt att ta hela kuren (även om du känner att din infektion har försvunnit) för att förhindra att infektionen kommer tillbaka.
Missed dose
Om du glömmer att ta en dos, ta en så snart du kommer ihåg. Försök att ta rätt antal doser varje dag, men ta inte två doser samtidigt för att kompensera.
Få ut det mesta av din behandling
Tillbaka till innehållThrush (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
Tillbaka till innehållFörvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
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.
Viktig information om alla läkemedel
Tillbaka till innehållViktig information om alla läkemedel
Ta aldrig mer än den föreskrivna dosen. Om du misstänker att du eller någon annan kan ha tagit en överdos av denna medicin, gå till akutmottagningen på ditt lokala sjukhus. Ta med behållaren, även om den är tom.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Om du köper några mediciner, kontrollera med en apotekare att de är säkra att ta tillsammans med dina andra mediciner.
Om du ska genomgå en operation eller någon tandbehandling, informera den som utför behandlingen om vilka mediciner du tar.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
Om du har några frågor om denna medicin, fråga din apotekare.
Rapportera biverkningar av ett läkemedel eller vaccin
Om du upplever biverkningar kan du rapportera dem online via Yellow Card website.
Vanliga frågor
Tillbaka till innehållHow 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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Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.
Vanliga frågor
Can cefaclor be used during pregnancy or while breastfeeding?
Yes, cefaclor can be taken during pregnancy. While it is not known to be harmful to babies, it is still important to inform your doctor if you are expecting or breastfeeding.
Are there any foods or other medicines I should avoid while taking cefaclor?
You should avoid antacids for 2 hours before or after taking cefaclor, as they can reduce its absorption. Additionally, cefaclor may stop the oral typhoid vaccine from working, so inform your healthcare provider if you are having vaccinations. If you take the oral contraceptive pill and experience vomiting or diarrhoea lasting more than 24 hours, use extra contraception and seek advice from your doctor or pharmacist.
What should I do if I forget a dose of cefaclor?
If you forget to take a dose, 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 missed one.
How should I store cefaclor, especially the liquid form?
Keep all medicines out of the reach and sight of children. Store capsules and tablets in a cool, dry place, away from direct heat and light. If you have been given liquid medicine, store it in a refrigerator. The liquid form typically lasts for 14 days after being made up by the pharmacy, so check the expiry date on the bottle and do not use it after this date.
What should I do if I think I'm having an allergic reaction to cefaclor?
If you develop an itchy rash, a swollen face or mouth, or have difficulty breathing, these could be signs of an allergic reaction. Do not take any more cefaclor and contact your doctor or go to your local accident and emergency department straight away.
Can cefaclor cause thrush?
Thrush (redness and itching in the mouth or vagina) may occur after taking antibiotics like cefaclor. If you think you have thrush, speak with your doctor or pharmacist for advice.
Do I need to take the entire course of cefaclor even if I feel better?
Yes, it is important to keep taking the antibiotic until the course is finished, even if you feel your infection has cleared up. This helps to prevent the infection from returning.
Vidare läsning och referenser
- 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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About the authorView full bio

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 reviewerView full bio

Dr Colin Tidy, MRCGP
General Practitioner, Medical Author
MBBS, MRCGP, MRCP (Paediatrics), DCH
Dr Colin Tidy is an NHS Doctor, based in Oxfordshire.
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Next review due: 17 Oct 2027
24 apr 2023 | Senaste versionen

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