home > drugs a-z list > canasa (mesalamine) drug center > canasa (mesalamine) drug

What are the possible side effects of mesalamine rectal (Canasa, Canasa Pac, Rowasa)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using mesalamine rectal and call your doctor at once if you have severe stomach pain, cramping, fever, headache, and bloody diarrhea.

Less serious side effects may include:

• mild nausea, vomiting, stomach cramps, diarrhea, gas;
• fever, sore throat, or other flu symptoms;
• rectal pain, constipation;
...

Read All Potential Side Effects and See Pictures of Canasa »

What are the precautions when taking mesalamine (Canasa)?

Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to other medications that are broken down into mesalamine (such as sulfasalazine, olsalazine); or to other salicylates (such as aspirin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, pancreas problems (pancreatitis), inflammation of the sac around the heart (pericarditis).

This medication may cause stomach bleeding. Daily use of alcohol, especially when combined with this medicine, may increase your risk for stomach bleeding. Check with...

Read All Potential Precautions of Canasa »