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Co-trimoxazole for infection

Co-trimoxazole is a combination antibiotic. It can be taken by people who are allergic to penicillin, but it is ليست suitable for people who are allergic to sulfonamides.

Space out your doses evenly throughout the day, and remember to finish the course of treatment.

The most common side effects of co-trimoxazole are feeling sick (nausea), diarrhoea, and headache.

If you develop a skin rash or any allergic-type reaction, let your doctor know على الفور.

At a glance

  • Co-trimoxazole is an antibacterial medicine used to treat or prevent certain serious infections.

  • It is a combination of two antibacterial medicines.

  • Common side effects include feeling sick, diarrhoea, headache, and skin rash.

  • Take co-trimoxazole with food or a drink, usually twice a day for adults.

  • It is important to finish the full course of treatment, even if symptoms improve.

  • Do not take this medicine if you are pregnant or have liver, kidney or blood problems.

  • If you develop a skin rash, contact your doctor straight away for advice.

تابع القراءة أدناه

About co-trimoxazole

نوع الدواء

An antibacterial medicine

يستخدم لـ

To treat or prevent certain infections

متوفر كـ

Tablet, oral liquid medicine and injection

Co-trimoxazole is a type of المضاد الحيوي used to treat serious bacterial infections, particularly in people who have a problem with their immune system.

It is a combination of two antibacterial medicines - a sulfonamide medicine called sulfamethoxazole, and trimethoprim.

Although it has been prescribed widely for a range of infections in the past, it has very occasionally been associated with some serious side effects, and as a result is only now used for certain infections.

It works by killing the germs (bacteria) responsible for causing the infection.

تابع القراءة أدناه

Common side effects of co-trimoxazole are:

  • الشعور بالغثيان.

  • الإسهال.

  • الصداع.

  • طفح جلدي.

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

Common co-trimoxazole side effects

ماذا يمكنني أن أفعل إذا واجهت هذا؟

Feeling sick

Stick to simple foods - avoid rich or spicy foods

إسهال

اشرب الكثير من الماء لتعويض السوائل المفقودة

صداع

اشرب الكثير من الماء واطلب من الصيدلي أن يوصي بمسكن مناسب للألم. إذا استمرت الصداع، أخبر طبيبك

طفح جلدي

Contact your doctor for advice على الفور

Do not take any more doses until you have spoken with a doctor

إذا شعرت بأي أعراض أخرى تعتقد أنها قد تكون بسبب الدواء، تحدث مع طبيبك أو الصيدلي للحصول على مزيد من النصائح.

تابع القراءة أدناه

Some medicines aren’t suitable for certain health conditions or may require extra care. Before taking co-trimoxazole, it is important to let your doctor know:

  • إذا كنتِ حاملاً، تحاولين الإنجاب، أو تقومين بالرضاعة الطبيعية.

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

  • إذا كنت تعاني من الربو.

  • If you have a blood disorder. It is particularly important that you tell your doctor if you have a rare inherited blood disorder called porphyria.

  • If you have an enzyme deficiency called G6PD deficiency.

  • If you have been told you have low amounts of the vitamin folic acid.

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

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

  • Read the information leaflet in the pack before you start. It explains the medicine and lists possible side effects.

  • Take co-trimoxazole exactly as your doctor tells you to. Your dose will depend upon whether you are being treated because you have an infection, or to prevent an infection.

  • It is usually taken twice a day, 12 hours apart for adults.

  • For children, it is usually a liquid medicine - the dose will depend on the age of your child.

  • Take co-trimoxazole regularly so that you keep a steady level of the medicine in your body.

  • Try to avoid missing any doses.

  • Co-trimoxazole is best taken with food or a drink.

  • If you miss a dose, take it as soon as you remember. If it’s nearly time for the next one, skip the missed dose. Do not take two doses at once.

  • Drink plenty of water each day while taking co-trimoxazole so you don’t get dehydrated.

  • Most people start to feel better after a few days. If you don’t improve, see your doctor as you may need a different antibiotic.

  • Keep taking the medicine until you finish the full course, even if you feel better, unless your doctor tells you to stop. This helps stop the infection from coming back.

  • Some people get thrush (النظافة الفموية أو vaginal) after antibiotics. If this happens, ask your doctor or pharmacist for advice.

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

  • If you buy any medicines, check with a pharmacist that they are suitable to take with co-trimoxazole.

  • This medicine can stop the oral typhoid vaccine from working. Tell your healthcare provider you’re taking it if you’re due for any vaccines.

  • If you still feel unwell after completing your course of the antibiotic, make another appointment to see your doctor.

  • احفظ جميع الأدوية بعيدًا عن متناول ورؤية الأطفال.

  • احفظه في مكان بارد وجاف، بعيدًا عن الحرارة المباشرة والضوء.

معلومات هامة عن جميع الأدوية

لا تأخذ أبدًا 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.

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 Yellow Card website.

How long does it take for co-trimoxazole take to work?

Co-trimoxazole usually starts working within 1-3 days. Most people start to notice an improvement in their symptoms within a few days of taking the first dose. Always finish the full course of treatment even if you are feeling better.

Is co-trimoxazole safe to take during pregnancy?

Co-trimoxazole is not usually recommended to take during pregnancy, especially in the first and third trimesters. Always let your doctor know if you are pregnant or are planning on becoming pregnant before taking co-trimoxazole.

Can you drink alcohol while taking co-trimoxazole?

Drinking alcohol while taking co-trimoxazole can worsen side effects such as nausea, dizziness, and stomach upset. It is best to avoid alcohol until you have finished your course of treatment, however, moderate consumption is generally considered to be safe.

How long does co-trimoxazole stay in your system for?

Co-trimoxazole stays in your system for 2-3 days after your last dose, however, it may last longer for people with kidney problems.

symptom checker

غير متأكد من خلط الأدوية؟

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

الأسئلة الشائعة

What is co-trimoxazole made of?

Co-trimoxazole is a combination of two antibacterial medicines. These are a sulfonamide medicine called sulfamethoxazole, and trimethoprim.

Why is co-trimoxazole used less frequently now?

While co-trimoxazole was widely prescribed in the past for various infections, it is now used only for certain infections. This is because it has occasionally been linked to some serious side effects.

If I am pregnant, why is it particularly important to tell my doctor before taking co-trimoxazole?

It is important to tell your doctor if you are pregnant, trying for a baby, or breastfeeding, because some medicines are not suitable for certain health conditions or may require extra care.

If I have a rash after taking co-trimoxazole, what should I do?

If you experience a skin rash, you should contact your doctor for advice straight away. Do not take any more doses until you have spoken with a doctor.

How should I take co-trimoxazole to ensure it works effectively?

You should take co-trimoxazole exactly as your doctor instructs, usually twice a day, 12 hours apart for adults. It's important to take it regularly to maintain a steady level of the medicine in your body. It's also best to take it with food or a drink. If you miss a dose, take it as soon as you remember, but skip it if it's almost time for your next dose, and never take two doses at once.

Why is it important to complete the full course of co-trimoxazole, even if I feel better?

It is important to keep taking the medicine until you finish the full course, even if you feel better, unless your doctor tells you to stop. This helps to prevent the infection from returning.

What should I do if I get thrush after taking co-trimoxazole?

Some people can develop thrush, either oral or vaginal, after taking antibiotics. If this happens to you, you should ask your doctor or pharmacist for advice.

Can co-trimoxazole affect vaccinations?

Yes, this medicine can stop the oral typhoid vaccine from working. If you are due for any vaccines, you should tell your healthcare provider that you are taking co-trimoxazole.

قراءة إضافية ومراجع

تابع القراءة أدناه

About the authorView full bio

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مايكل ستيوارت، 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

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الدكتور كولين تايدي، MRCGP

General Practitioner, Medical Author

MBBS, MRCGP, MRCP (Paediatrics), DCH

Dr Colin Tidy is an NHS Doctor, based in Oxfordshire.

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