Sulfasalazine
Salazopyrin
Revu par Sid DajaniDernière mise à jour par Michael Stewart, MRPharmSLast updated 19 févr. 2025
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Drink plenty of water with sulfasalazine.
Sulfasalazine can have a number of side-effects, many of which are minor. Some side-effects you should let your doctor know about straightaway - these include any unexplained bleeding, bruising, itchy skin rash, difficulties breathing, sore throat, fever, jaundice, or if you feel generally very unwell.
Sulfasalazine can give some body fluids (such as tears and urine) a yellow/orange colour. This is harmless.
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About sulfasalazine
Type de médicament | An aminosalicylate |
Utilisé pour | Ulcerative colitis; Crohn's disease; rheumatoid arthritis |
Aussi appelé | Salazopyrin® |
Disponible sous forme de | Tablets, gastro-resistant tablets (these are specially coated to release sulfasalazine in your bowel), oral liquid medicine and suppositories |
Sulfasalazine has an anti-inflammatory effect. Although it is not clear exactly how it works, it is thought to block the way inflammation develops in your body.
Sulfasalazine is used to manage the symptoms of inflammatory bowel diseases such as la colite ulcéreuse et Maladie de Crohn. Both of these can cause inflammation in the large intestine, leading to problems such as tummy (abdominal) pain and diarrhoea. Sulfasalazine can help control these symptoms.
Sulfasalazine is also prescribed for people with la polyarthrite rhumatoïde. It helps to reduce damage to the joints.
Before taking sulfasalazine
Retour au sommaireSome medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking sulfasalazine it is important that your doctor knows:
Si vous êtes enceinte, essayez d'avoir un bébé ou allaitez.
If you have ever had an allergy.
Si vous avez de l'asthme.
Si vous avez des problèmes avec le fonctionnement de votre foie, ou si vous avez des problèmes avec le fonctionnement de vos reins.
If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you have had an unusual reaction to aspirin, a salicylate, or a sulfonamide. (Sulfonamide is contained in some diuretics and antibiotic medicines.)
If you have been told you have an enzyme deficiency called G6PD deficiency, or a blood disorder called porphyria. These are both rare inherited conditions.
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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How to take sulfasalazine
Retour au sommaireBefore you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about sulfasalazine, and it will also provide you with a full list of the side-effects which you could experience.
Your dose will depend upon the reason why you have been prescribed sulfasalazine. Your doctor will tell you how much to take and when to take it, and these directions will also be printed on the label of the pack to remind you about what the doctor said to you. As a guide, adults taking sulfasalazine tablets or liquid medicine for an inflammatory bowel problem are likely to be prescribed 500 mg-2 g (1-4 tablets) four times daily. Doses in children are dependent on their body weight. If you are prescribed suppositories, you will be asked to use either one or two suppositories, each morning and evening until your symptoms improve. If you are taking sulfasalazine tablets for rheumatoid arthritis, you will be prescribed 500 mg (1 tablet) daily to begin with, and this will then be increased each week up to a maximum of 6 tablets daily, if needed.
Gastro-resistant tablets (these often have 'EN' or 'EC' after the brand name) must be swallowed whole. Do not break, chew or crush the tablets to take them. This is because they are specially coated to pass through your stomach before they are absorbed. Also, do not take any indigestion remedies within two hours of taking your doses (either before or after), as this will interfere with the special coating.
You can take sulfasalazine either before or after meals.
It is important that you drink plenty of water while you are taking sulfasalazine. This is to avoid any problems with the way your kidneys work.
If you forget to take a dose, don't worry, but do remember to take your next dose when it is due. Do not take two doses together to make up for a missed dose.
How to use sulfasalazine suppositories
Empty your bowel, if possible.
Remove the suppository from the packaging.
Using your finger, gently push the suppository into your back passage (rectum). Some people find it helps to squat, or to lie down on one side and draw their knees up towards their chest to do this.
Push the suppository in as far as is comfortable. You may have the urge to pass the suppository out again, but this should ease after a few minutes.
Lavez-vous les mains.
Tirer le meilleur parti de votre traitement
Retour au sommaireTry to keep your regular appointments with your doctor and clinic. This is so your doctor can check on your progress. Your doctor will want you to have regular blood tests during the treatment.
You may notice a difference to the colour of your urine. Sulfasalazine can colour your urine a yellow/orange colour. It is completely harmless and nothing to worry about.
If you usually wear soft contact lenses, speak with your optician about this, as sulfasalazine can stain some lenses a yellow/orange colour. You may be advised not to wear certain types of lenses.
Treatment with sulfasalazine is often long-term (unless you experience an adverse effect). Continue to take it unless you are advised otherwise by your doctor.
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Can sulfasalazine cause problems?
Retour au sommaireAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains the most common ones associated with sulfasalazine. 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.
Very common sulfasalazine side-effects (these affect more than 1 in 10 people) | Que puis-je faire si je ressens cela ? |
Feeling sick (nausea), loss of appetite | Optez pour des aliments simples - évitez les repas riches ou épicés |
Common sulfasalazine side-effects (these affect fewer than 1 in 10 people) | Que puis-je faire si je ressens cela ? |
Diarrhoea, tummy (abdominal) pain | Buvez beaucoup d'eau |
Maux de tête, autres douleurs et souffrances | Buvez beaucoup d'eau et demandez à votre pharmacien de vous recommander un analgésique approprié. Si la douleur persiste, informez-en votre médecin |
Itchy rash | This may be an allergic type of reaction. Speak with your doctor straightaway if it is severe or affects your whole body |
Sensation de vertige | Sit down for a while until the feeling passes. If affected, do not drive and do not use tools or machines until you feel better |
Cough, difficulty sleeping, ringing noise in your ears, sore mouth, changes in the way things taste | Parlez à votre médecin si l'un de ces symptômes devient gênant |
Important: sometimes, sulfasalazine can cause allergic problems, problems with the blood, and problems with the way the liver works. You should contact your doctor immediately if you develop any of the following:
Any difficulties with your breathing, or any swelling of your face or tongue.
Any unexplained bleeding, bruising, red or purple discolourations of your skin, or a persistent sore throat, a high temperature (fever), or if you feel generally very unwell.
Tout jaunissement de votre peau ou du blanc de vos yeux (jaunisse).
How to store sulfasalazine
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.
Informations importantes sur tous les médicaments
Retour au sommaireInformations importantes sur tous les médicaments
Si vous achetez des médicaments, vérifiez avec un pharmacien qu'ils sont sans danger à prendre avec vos autres médicaments.
Ne jamais dépasser la dose prescrite. Si vous pensez que vous ou quelqu'un d'autre avez pris une overdose de ce médicament, rendez-vous immédiatement au service des urgences de l'hôpital le plus proche. Apportez le contenant avec vous, même s'il est vide.
Si vous subissez une opération ou un traitement dentaire, informez la personne qui effectue le traitement des médicaments que vous prenez.
Ce médicament est pour vous. Ne le donnez jamais à d'autres personnes, même si leur état semble être le même que le vôtre.
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.

Vous n'êtes pas sûr de mélanger des médicaments ?
Vérifiez les interactions possibles entre les médicaments, les compléments et les aliments avant de les prendre ensemble.
Lectures complémentaires et références
- Manufacturer's PIL, Salazopyrin® En-Tabs 500 mg; Pfizer Limited, Le Compendium Électronique des Médicaments. Daté d'avril 2024.
- Manufacturer's PIL, Salazopyrin® 500 mg Suppositories; Pfizer Limited, Le Compendium Électronique des Médicaments. Daté d'avril 2024.
- Manufacturer's PIL, Salazopyrin® 500 mg Tablets; Pfizer Limited, Le Compendium Électronique des Médicaments. Daté d'avril 2024.
- Médicaments Complets BNF 89e Édition; Association Médicale Britannique et Société Royale Pharmaceutique de Grande-Bretagne, Londres.
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Historique de l'article
Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.
Prochaine révision prévue : 19 fév 2028
19 févr. 2025 | Dernière version

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