Buy Canasa Online

Buy Canasa Online


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This is intended as a summary and should not replace individual medical advice from a doctor or pharmacist. This summary does not include all possible information for this medication, ask your health care professional for personalized recommendations and complete information about this product.



Common Brand Name(s)

COMMON BRAND NAME(S): Pentasa, Salofalk


canasa medication is used in the treatment of ulcerative proctitis which is a kind of bowel disease. It is not a cure for ulcerative proctitis but it decreases the number of stools, the rectal bleeding caused by irritation/swelling of the rectum/colon, and the amount of mucus/blood in the stools. Mesalamine is an aminosalicylate anti-inflammatory drug and is believed to work by preventing certain chemical production that can cause swelling and pain.

Other Uses

This section contains uses of Canasa (mesalamine) that may be prescribed by your doctor but are not listed in the approved professional labelling for this drug. Only use this drug for the condition listed here if your doctor has told you to. This medication can be used for Crohn’s disease.

How to Use Canasa

This medication is to be used rectally. For the 1000mg strength insert rectally, usually once a day before bed. At a lower strength your doctor may instruct you to use this medication more often. This medication will work best if you have a bowel movement before use. Unwrap the suppository immediately before usage and handle as little possible as warmth from your hands may cause it to melt. Lay down on your left side with your right knee bent, insert the pointed end of the suppository into the rectum with your finger. If desired, use a small amount of lubricating gel. Remain lying  down for a few minutes and avoid having a bowel movement for 1-3 hours. To get the best results use this medication consistently. Let your doctor know if your condition persists or gets worse.

Canasa Side Effects

The following side effects are normal though if they worsen or persist promptly tell a healthcare professional: gas, headache, stomach pain, diarrhea. Your doctor has judged that the benefits of this medication outweigh the risks to you and has prescribed you this medication. Most people who use this drug do not encounter serious side effects. Occasionally this drug may make symptoms of your condition worsen (sensitivity reaction or acute intolerance syndrome). If you experience any of these serious side effects let your doctor know immediately: worsening bloody diarrhea, severe/prolonged headache, worsening stomach pain or cramping, fever. If any of these unlikely but very serious side effects occur tell your doctor immediately: shortness of breath, dark urine, signs of kidney problems, chest pain, severe stomach/abdominal pain (especially if it spreads to the back), yellowing skin/eyes. Serious allergic reactions to this drug are very rare though if you notice any of the following symptoms seek medical attention: severe dizziness, trouble breathing, swelling/itching (particularly of the tongue/face/throat).

What precautions should I take?

Tell your doctor and pharmacist about all allergies medical or otherwise before taking this medication. There may be inactive ingredients in this medication that can cause allergic reactions. Alert your doctor and pharmacist of your medical history including: liver disease, inflammation of the sac around the heart, kidney problems, skin problems. Canasa (Melamine) is similar to aspirin and teens and children should not take aspirin or aspirin-related products if they have flu, chickenpox, if they have been given a live virus vaccine, if they have any undiagnosed illness, or without talking to a doctor about Reye’s syndrome. This medication should only be used during pregnancy if clearly needed. This medication can pass into breast milk and can affect nursing infants. Discuss with your doctor before breast-feeding.

Are there any drug interactions?

This document doesn’t contain a complete list of possible interactions. Tell your doctor and pharmacist about all the products you use before taking a new medication. Do not start stop or change the amount of any medication you are taking without first consulting your doctor. This medication can cause false results in certain laboratory tests so make sure lab personnel and all of your doctors know you use this medication.

What to do if I overdose

If someone exhibits signs such as passing out or trouble breathing they may have overdosed and you should call 911 or poison control immediately.


Do not give this medication to anyone else. Medical/lab tests should be performed regularly to check for side effects and monitor progress.

Missed Dose

If you miss a dose and it is near the time of the next dose skip the missed dose completely. Otherwise take it as soon as you remember.


Store in the refrigerator or at room temperature, but do not freeze. Keep this medication out of the bathroom and away from pets and children. Dispose of medication only as directed by a pharmacist or waste disposal company.