דלג לתוכן הראשי

Mesalazine

Asacol, Octasa, Pentasa

There are a number of different brands of mesalazine, some of which work in different ways. This means that your treatment could be affected by switching between some brands. Each time you collect a new supply from your pharmacy, check to see if it is the same brand as before. If it is different, discuss this with your pharmacist who will advise you.

It is important that you keep your regular appointments with your doctor so that your progress can be checked. You may require regular blood tests.

Common side-effects include gastrointestinal symptoms and aches and pains. These tend to be minor.

Rarely, mesalazine can cause problems with your blood. You should tell your doctor immediately if you have any unexplained bleeding, bruising, red or purple discolourations of the skin, sore throat, a high temperature (fever), or if you feel generally unwell.


At a glance

  • Mesalazine is a medicine used to treat ulcerative colitis and Crohn's ileo-colitis.

  • It helps to reduce inflammation in the intestine and prevent symptoms from flaring up.

  • It is available as tablets, granules, suppositories, enemas, and foam enemas.

  • Your doctor will advise you on the specific brand and how to take or use it.

  • Contact your doctor immediately if you have unusual bleeding, bruising, or an unexplained sore throat.

המשך לקרוא למטה

About mesalazine

סוג התרופה

An aminosalicylate

שימוש עבור

Ulcerative colitis and Crohn's ileo-colitis

נקרא גם

Mesalamine (in US); Asacol®, Mezavant®, Octasa®, Pentasa®, Salcrozine®, Salofalk®, Zintasa®

זמין כ

Tablets, granules (sachets), suppositories, enemas, and foam enemas (rectal foam)

Ulcerative colitis causes inflammation of the intestine which leads to problems such as ulceration and bleeding. This causes symptoms such as abdominal pain and diarrhoea. מחלת קרוהן is a condition which causes inflammation of any part of the gastrointestinal system. When the inflammation is in the area where the small intestine joins the large intestine, then it is called Crohn's ileo-colitis. Aminosalicylates are a group of medicines commonly used to treat inflammatory bowel diseases such as these. Mesalazine is one of the most commonly used aminosalicylates.

Although it is not clear exactly how mesalazine works, it is thought to act on cells lining the intestine to change the way these cells make and release certain chemicals. These chemicals are thought to be a factor in causing the symptoms of ulcerative colitis. Mesalazine allows the damaged intestine to recover and helps to prevent symptoms from flaring up again.

There are a number of different mesalazine preparations and brands. The way the manufacturers make each of these brands differs slightly; this allows the different brands to release mesalazine in specific areas of the intestine. You will be prescribed the brand that allows mesalazine to be released in the part of your intestine which requires it most.

Mesalazine can be taken by mouth as granules or tablets, or it can be given into the back passage as a suppository, rectal foam or enema.

Some 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 mesalazine it is important that your doctor knows:

  • If you are pregnant or breastfeeding. (Although mesalazine is unlikely to be harmful to babies, it is still important that you tell your doctor if you are expecting or breastfeeding a baby.)

  • אם יש לך בעיות בתפקוד הכבד שלך, או אם יש לך בעיות בתפקוד הכליות שלך.

  • If you have any problems with your breathing.

  • 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 or a salicylate.

  • אם אתה נוטל או משתמש בתרופות אחרות כלשהן. זה כולל כל תרופה שאתה נוטל שניתן לרכוש ללא מרשם, כמו גם תרופות צמחיות ומשלימות.

המשך לקרוא למטה

  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about mesalazine, and it will also provide you with a full list of the side-effects which you could experience.

  • Your dose will depend upon which brand of mesalazine has been prescribed for you. 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. Take mesalazine exactly as your doctor tells you to.

  • Some mesalazine tablets and granules are specially coated to pass through your stomach before they are absorbed. These must be swallowed whole and not broken, chewed or crushed. Check the label on your pack carefully and follow any advice it gives. 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.

  • If you have been given the Mezavant® XL brand of tablets, you should take these after a meal. If you have been given any other brand of tablet, it is unimportant whether you take them before or after a meal.

  • If you have been given granules, place the correct amount on to your tongue and wash them down with a drink of water. Do not chew the granules. You can take them either before or after meals. Alternatively the entire contents of the sachet can be poured onto a yoghurt and eaten straightaway.

  • If you forget to take a dose, take it as soon as you remember (unless it is nearly time for your next dose, in which case leave out the missed dose and take the next dose as normal). Do not take two doses together to make up for a forgotten dose.

How to use mesalazine enema

  1. Shake the enema and release the seal on the nozzle.

  2. Lie down on one side and draw your top knee up towards your chest. Insert the enema nozzle into your back passage.

  3. Squeeze the bottle gently to completely empty the contents. This will take around 30-40 seconds. Remove the nozzle from your back passage. Remain where you are for about 5-10 minutes until the urge to pass the enema has eased.

  4. Throw away the empty enema bottle in a plastic bag (these are provided with some brands of enema).

  5. Wash your hands.

How to use mesalazine foam enema

  1. Shake the can well to mix the contents.

  2. Before you use the can for the first time, remove the plastic safety lock.

  3. Push the plastic applicator on to the nozzle of the can.

  4. Stand up and place one foot on a firm surface, such as a chair.

  5. Hold the canister upside down (with the dome facing down) in the palm of your hand.

  6. הכניסו את המוליך לתוך פי הטבעת שלכם עד כמה שנוח.

  7. Push the dome once and release it. This will release one dose of the foam. Repeat if you need two doses.

  8. Remove the applicator and place it in one of the plastic bags provided and dispose of it in a bin.

  9. Wash your hands.

How to use mesalazine suppositories

  1. Remove the suppository from the packaging.

  2. 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.

  3. 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.

  4. Wash your hands.

  • Each time you collect a new supply from your pharmacy, check to see if it is the same brand as before. If it is different, discuss this with your pharmacist who will advise you.

  • Try 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.

  • Treatment with mesalazine may be long-term to prevent symptom flare-ups. Continue to take/use it unless you are advised otherwise.

  • Your doctor may advise you make some changes to your diet as part of your treatment. This can include a special diet or a nutritional supplement.

  • It is important to stay hydrated whilst being treated with mesalazine, ensure you drink the recommended amount of fluids each day.

  • You may notice a red-brown discolouration of urine when in contact with certain bleaches used to clean toilets. This is not harmful.

המשך לקרוא למטה

Along 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 mesalazine. 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.

Common mesalazine side-effects (these affect fewer than 1 in 10 people)

מה אני יכול לעשות אם אני חווה את זה?

Indigestion, feeling sick (nausea) or being sick (vomiting), tummy (abdominal) pain

היצמד למאכלים פשוטים - הימנע ממאכלים עשירים או חריפים

שלשול

שתו הרבה מים כדי להחליף נוזלים שאבדו

Headache, muscle aches and pains

Drink plenty of water and ask your pharmacist to recommend a suitable painkiller. If the aches continue, let your doctor know

חשוב: rarely, mesalazine can cause problems with your blood. You should contact your doctor immediately if you have any unexplained bleeding, bruising, red or purple discolourations of your skin, an unexplained sore throat or high temperature (fever), or if you feel generally unwell during the treatment.

In rare cases mesalazine can cause serious allergic skin reactions. Contact your doctor if you develop any signs of an allergic reaction including skin rashes and mouth ulcers.

אם אתה חווה תסמינים נוספים שלדעתך עשויים להיות כתוצאה מהתרופה, פנה לרופא או לרוקח שלך לקבלת ייעוץ נוסף.

  • שמור את כל התרופות מחוץ להישג ידם וראייתם של ילדים.

  • יש לאחסן במקום קריר ויבש, הרחק מחום ואור ישיר.

מידע חשוב על כל התרופות

אם אתה קונה תרופות כלשהן, בדוק עם רוקח שהן בטוחות לשימוש עם התרופות האחרות שלך.

Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine go to the accident and emergency department of you local hospital at once. Take the container with you, even if it is empty.

אם אתה עובר ניתוח או טיפול שיניים, אמור לאדם שמבצע את הטיפול אילו תרופות אתה נוטל.

תרופה זו מיועדת עבורך. לעולם אל תיתן אותה לאנשים אחרים, גם אם מצבם נראה דומה לשלך.

אל תשמרו תרופות שפג תוקפן או שאינן רצויות. קחו אותן לבית המרקחת המקומי שלכם שיטפל בהן עבורכם.

אם יש לך שאלות לגבי התרופה הזו, שאל את הרוקח שלך.

דווח על תופעות לוואי לתרופה או חיסון

אם אתה חווה תופעות לוואי, תוכל לדווח עליהן באינטרנט דרך ה Yellow Card website.

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שאלות נפוצות

What is the main purpose of taking mesalazine?

Mesalazine is primarily used to treat inflammatory bowel diseases like ulcerative colitis and Crohn's ileo-colitis. It works by acting on the cells lining the intestine to modify chemical releases that contribute to symptoms. This helps the damaged intestine to recover and prevents symptom flare-ups.

Can I switch between different brands of mesalazine?

There are different brands of mesalazine, and each is designed to release the medicine in specific parts of the intestine. If you collect a new supply from your pharmacy and it is a different brand from what you normally use, you should discuss this with your pharmacist for advice.

How long will I need to take mesalazine?

Treatment with mesalazine may be long-term. This is often to prevent symptoms from flaring up again. You should continue to take or use it unless your doctor advises you otherwise.

Does mesalazine interact with other ongoing medical treatments?

If you are taking any other medicines, including those bought without a prescription, herbal remedies, or complementary medicines, it's important to tell your doctor. Also, if you are having an operation or dental treatment, inform the healthcare professional about the mesalazine you are taking.

Why do I need regular blood tests while on mesalazine?

Your doctor will want you to have regular blood tests during your treatment to check on your progress and monitor for any potential issues. This allows them to ensure the treatment is effective and safe for you.

What should I do if I notice discoloured urine while taking mesalazine?

You may notice your urine turning a red-brown colour when it comes into contact with certain bleaches used to clean toilets. This is not harmful, so there is no need to be concerned if this occurs.

What are the common side effects of mesalazine and how can I manage them?

Common side effects, affecting fewer than 1 in 10 people, include indigestion, nausea or vomiting, tummy pain, diarrhoea, headache, and muscle aches. For indigestion or tummy issues, stick to simple foods. For diarrhoea, drink plenty of water. For headaches or muscle aches, drink water and consider a suitable painkiller recommended by your pharmacist. If any side effects persist or become troublesome, speak with your doctor or pharmacist.

קריאה נוספת והפניות

המשך לקרוא למטה

About the authorView full bio

Author image

מייקל סטיוארט, 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 reviewer

Author image

סיד דג'אני

Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.

היסטוריית המאמר

המידע בעמוד זה נכתב ונבדק על ידי קלינאים מוסמכים.

  • Next review due: 22 Feb 2028
  • 22 Feb 2025 | הגרסה האחרונה

    עודכן לאחרונה על ידי

    מייקל סטיוארט, MRPharmS

    נבדק על ידי

    סיד דג'אני
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