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Cefalexin for infection

Keflex

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

Space out your doses evenly over the day and complete the full course.

The most common side effect of cefalexin is diarrhoea, which is usually mild and soon passes.

If diarrhoea becomes severe or lasts for more than 24 hours, you should speak with your doctor.

نظرة سريعة

  • Cefalexin is an antibiotic used to treat bacterial infections in adults and children.

  • It is available as capsules, tablets, and oral liquid medicine.

  • Common side effects include diarrhoea, feeling sick, indigestion, and stomach ache.

  • Always tell your doctor about any allergies or kidney problems before taking cefalexin.

  • Take cefalexin for the full course prescribed, even if you feel better.

  • Seek medical help immediately if you experience breathing difficulties or swelling after taking it.

اختيارات الفيديو لـ أدوية علاج العدوى

تابع القراءة أدناه

About cefalexin

نوع الدواء

A cephalosporin antibiotic

يستخدم لـ

Treatment (and sometimes prevention) of infection

يُعرف أيضًا باسم

Cephalexin, Keflex® (USA)

متوفر كـ

Capsules, tablets, and oral liquid medicine

Cefalexin is a type of antibiotic used to treat bacterial infections such as urinary tract infections, skin infections, chest و الحلق infections, التهابات الأذن و dental infections.

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 cefalexin, so make sure your doctor knows if you have ever had an allergic reaction to any other antibiotic.

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

تابع القراءة أدناه

Common side effects of cefalexin are:

  • الإسهال.

  • الشعور بالغثيان.

  • عسر الهضم.

  • Stomach ache.

  • القلاع.

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

غالبًا ما تتحسن الآثار غير المرغوب فيها مع تكيف جسمك مع الدواء الجديد، ولكن تحدث مع طبيبك أو الصيدلي إذا استمرت أي من الآثار التالية أو أصبحت مزعجة.

Cefalexin side effects

ماذا يمكنني أن أفعل إذا واجهت هذا؟

إسهال

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

Indigestion, stomach ache, feeling sick

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

القلاع

Speak with your doctor or pharmacist for advice

مهم: if you develop an itchy rash, swollen face or mouth, or have difficulty breathing, these can be signs that you are allergic to the antibiotic. Do not take any more doses, 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 the antibiotic, please speak with your doctor or pharmacist for further advice.

تابع القراءة أدناه

Some medicines are not suitable for people with certain conditions. Before starting cefalexin 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.

  • إذا كان لديك أي مشاكل في طريقة عمل الكلى لديك.

  • If you are pregnant, trying for a baby or breastfeeding. Although cefalexin 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.

  • إذا كنت تتناول أو تستخدم أي أدوية أخرى. يشمل ذلك أي أدوية تتناولها والتي يمكن شراؤها بدون وصفة طبية، بالإضافة إلى الأدوية العشبية والمكملات الغذائية.

  • Read the leaflet inside the pack before starting cefalexin. It explains how the antibiotic works and lists possible side effects.

  • Take cefalexin 2-4 times a day, as directed by your doctor. Check the label for your exact dose and timing.

  • For children: if using liquid cefalexin, carefully measure each dose as instructed.

  • Treatment usually lasts 5-7 days, but your doctor may adjust this. Always follow their advice.

  • For UTI prevention: you may take one dose daily, usually in the evening.

  • You can take cefalexin before or after food, but it may work a bit faster before meals.

  • Space doses evenly through the day and complete the full course, even if you feel better.

  • If you miss a dose, take it as soon as you remember. Do not take twice to make up for a missed one.

  • Tell your doctor or healthcare provider if you’re taking cefalexin before any operation or medical test, as it can affect some test results.

  • Antibiotics can sometimes cause thrush (النظافة الفموية أو مهبلي). If this happens, speak to your doctor or pharmacist.

  • If you take the contraceptive pill and have vomiting or diarrhoea for more than 24 hours while on antibiotics, the pill may be less effective. Ask your doctor or pharmacist about extra contraception. No extra precautions are needed if symptoms last less than 24 hours.

  • Cefalexin can stop the oral typhoid vaccine from working properly. Tell the person giving you any vaccines that you’re taking this antibiotic.

  • احفظ جميع الأدوية بعيدًا عن متناول ورؤية الأطفال.

  • Store tablets and capsules in a cool, dry place, away from direct heat and light.

  • If you have been given liquid medicine, store it in a refrigerator. It will have been made up freshly by the pharmacy and lasts for 14 days, so please remember to check the expiry date, and do not use it after this date.

معلومات هامة عن جميع الأدوية

لا تأخذ أكثر من الجرعة الموصوفة. إذا كنت تشك في أنك أو شخص آخر قد تناول جرعة زائدة من هذا الدواء، اذهب إلى قسم الحوادث والطوارئ في مستشفى منطقتك. خذ العبوة معك، حتى لو كانت فارغة.

هذا الدواء لك. لا تعطه لأشخاص آخرين حتى لو بدت حالتهم مشابهة لحالتك.

إذا اشتريت أي أدوية، تحقق مع الصيدلي من أنها آمنة لتناولها مع الأدوية الأخرى التي تتناولها.

إذا كنت ستخضع لعملية جراحية أو أي علاج للأسنان، أخبر الشخص الذي يقوم بالعلاج بالأدوية التي تتناولها.

لا تحتفظ بالأدوية منتهية الصلاحية أو غير المرغوب فيها. خذها إلى صيدليتك المحلية التي ستتولى التخلص منها نيابة عنك.

إذا كان لديك أي أسئلة حول هذا الدواء، اسأل الصيدلي الخاص بك.

الإبلاغ عن الآثار الجانبية لدواء أو لقاح

إذا واجهت آثارًا جانبية، يمكنك الإبلاغ عنها عبر الإنترنت من خلال موقع بطاقة صفراء.

How quickly does cefalexin work?

Cefalexin usually starts to work within an hour after taking the first dose. Most people notice improvement in symptoms, such as reduced pain, fever, or redness, within the first 1-2 days of treatment.

Is cefalexin safe to use during pregnancy?

Yes, cefalexin is considered safe to use during pregnancy as there is no evidence that it causes harm to the baby. However, always let your doctor or midwife know you are pregnant before taking cefalexin.

Does cefalexin contain penicillin?

No, cefalexin does not contain penicillin. However it is a cephalosporin antibiotic, which is chemically related to penicillin. People who are allergic to penicillin may also be allergic to cefalexin, so it is important to inform your doctor if you have a penicillin allergy before taking cefalexin.

Can you drink alcohol with cefalexin?

Yes, you can drink alcohol with cefalexin. However, it is advised to only drink in moderation as alcohol may increase side effects such as stomach upset, dizziness, or drowsiness.

Can cefalexin cause a rash?

Yes, cefalexin can cause a rash as a side effect and is usually a sign of an allergic reaction. If you develop a mild rash, contact your doctor for advice. If you have trouble breathing or swelling of the face, lips, tongue, or throat, seek medical help immediately.

مدقق الأعراض

غير متأكد من خلط الأدوية؟

تحقق من التفاعلات المحتملة بين الأدوية والمكملات الغذائية والأطعمة قبل تناولها معًا.

الأسئلة الشائعة

What should I do if I experience diarrhoea that is severe or lasts a long time?

If you experience diarrhoea, you should drink plenty of water to replace lost fluids. If the diarrhoea continues for longer than 24 hours, becomes severe, or contains blood, you should let your doctor know straightaway.

Are there any specific considerations for children taking cefalexin?

Yes, if using liquid cefalexin for children, you must carefully measure each dose as instructed by your doctor or pharmacist. The treatment duration and dosage will be determined by the doctor.

How should I manage indigestion or stomach ache while taking cefalexin?

If you experience indigestion, stomach ache, or feeling sick, you can try sticking to simple foods. Also, if you are not already doing so, try taking your doses after meals.

Can cefalexin affect the effectiveness of other medications or medical tests?

Yes, you should tell your doctor or healthcare provider if you’re taking cefalexin before any operation or medical test, as it can affect some test results. It can also stop the oral typhoid vaccine from working properly, so tell the person giving you any vaccines that you’re taking this antibiotic. Additionally, if you take the contraceptive pill and have vomiting or diarrhoea for more than 24 hours while on cefalexin, the pill may be less effective, and you should ask your doctor or pharmacist about extra contraception.

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

If you miss a dose of cefalexin, you should take it as soon as you remember. However, if it's nearly time for your next dose, just skip the missed dose and continue with your regular schedule. Do not take twice the amount to make up for a missed one.

How long does liquid cefalexin last once it's been made up?

If you have been given liquid cefalexin, it will have been made up freshly by the pharmacy and lasts for 14 days when stored in a refrigerator. Always remember to check the expiry date on the bottle and do not use it after this date.

قراءة إضافية ومراجع

تابع القراءة أدناه

عن المؤلفعرض السيرة الذاتية الكاملة

صورة المؤلف

مايكل ستيوارت، MRPharmS

مدير مراجعة النشرات الطبية – متعاقد، صيدلي

بكالوريوس الصيدلة (مع مرتبة الشرف)، عضو الجمعية الملكية للصيادلة

مايكل هو صيدلي مجتمعي يمارس عمله في منطقة ميدلاندز وجنوب يوركشاير ولديه أكثر من 20 عامًا من الخبرة في تقديم المشورة بشأن الأدوية والحالات الطبية. لديه خلفية قوية في تدريب الرعاية الصحية، حيث قام بإنتاج وتقديم دورات تدريبية لفرق الصيدلة وموظفي دور الرعاية السكنية، بما في ذلك الممرضات. كما ساهم في مجالس استشارية للصيدلة لإدارة الحالات ذات الحدة المنخفضة في المجتمع.

حول المراجععرض السيرة الذاتية الكاملة

صورة المؤلف

الدكتور كولين تايدي، MRCGP

طبيب عام، مؤلف طبي

MBBS, MRCGP, MRCP (Paediatrics), DCH

الدكتور كولين تايدي هو طبيب في هيئة الخدمات الصحية الوطنية، ويعمل في أوكسفوردشاير.

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