Medications and Drugs
Brand Names: Canasa, Canasa Pac, Rowasa
Generic Name: mesalamine (rectal) (Pronunciation: me SAL a meen)
What is mesalamine rectal (Canasa, Canasa Pac, Rowasa)?
Mesalamine rectal may also be used for other purposes not listed in this medication guide.
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.
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about mesalamine rectal (Canasa, Canasa Pac, Rowasa)?
Do not take mesalamine rectal by mouth. It is for use only in your rectum.
Tell your doctor if you have any type of kidney or liver disease, or if you are allergic to aspirin. You may not be able to use mesalamine, or you may need a dosage adjustment or special tests during treatment.
This medication comes with patient instructions for using either the rectal suppository or the rectal enema. Follow these directions carefully. Ask your doctor or pharmacist if you have any questions.
Try to empty your bowel and bladder just before using the mesalamine suppository or enema. Try to use the medicine at a time when you can lie down afterward and hold the medicine in. Avoid using the bathroom during this time. It may be best to use this medicine at bedtime.
Remove the outer wrapper from the suppository before inserting it. Avoid handling the suppository too long or it will melt in your hands.
Shake the rectal enema liquid well just before each use.
The rectal enema liquid may darken in color after it has been removed from the foil pouch. This should not affect the medicine. However, throw away any enema liquid that has turned dark brown.
Stop using mesalamine and call your doctor at once if you have severe stomach pain, cramping, fever, headache, and bloody diarrhea.
Avoid getting the rectal suppositories or enema liquid on clothing, flooring, painted surfaces, vinyl, marble, granite, and other surfaces. Mesalamine rectal products may stain surfaces.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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