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Canasa Pac Side Effects

Generic name: mesalamine

Medically reviewed by Drugs.com. Last updated on Jun 7, 2024.

Note: This document provides detailed information about Canasa Pac Side Effects associated with mesalamine. Some dosage forms listed on this page may not apply specifically to the brand name Canasa Pac.

Applies to mesalamine: oral capsule delayed release, oral capsule extended release, oral tablet delayed release, oral tablet enteric coated.

Other dosage forms:

Serious side effects of Canasa Pac

Along with its needed effects, mesalamine (the active ingredient contained in Canasa Pac) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking mesalamine:

More common

  • bloody diarrhea
  • rectal bleeding
  • stomach pain

Less common

  • bloody stools
  • bloody urine
  • blurred vision
  • chest tightness
  • chills
  • clay-colored stools
  • cough
  • dark urine
  • diarrhea
  • difficulty with breathing
  • dizziness
  • fever
  • full or bloated feeling
  • general feeling of discomfort or illness
  • headache
  • itching, skin rash
  • joint pain
  • loss of appetite
  • muscle aches and pains
  • nausea
  • nervousness
  • pain or tenderness around the eyes and cheekbones
  • pounding in the ears
  • pressure in the stomach
  • runny or stuffy nose
  • shivering
  • slow or fast heartbeat
  • sore throat
  • stomach cramps
  • sweating
  • swelling of the stomach area
  • trouble sleeping
  • unpleasant breath odor
  • unusual tiredness or weakness
  • vomiting
  • vomiting of blood
  • yellow eyes or skin

Rare

  • anxiety
  • back pain
  • blue or pale skin
  • chest pain, possibly moving to the left arm, neck, or shoulder

Incidence not known

  • black, tarry stools
  • blistering, peeling, or loosening of the skin
  • bloating
  • change in the ability to see colors, especially blue or yellow
  • chest discomfort
  • constipation
  • decreased frequency or amount of urine
  • dry cough
  • greatly increased frequency of urination or amount of urine
  • hives or welts
  • hoarseness
  • inability to move the arms and legs
  • increased thirst
  • indigestion
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  • light-colored stools
  • lower back or side pain
  • muscle weakness, sudden and progressing
  • pain in the ankles or knees
  • painful or difficult urination
  • painful, red lumps under the skin, mostly on the legs
  • rapid breathing
  • red, irritated eyes
  • red skin lesions, often with a purple center
  • severe nausea or vomiting
  • sores, ulcers, or white spots in the mouth or on the lips
  • stomach tenderness
  • sudden numbness and weakness in the arms and legs
  • swelling of the feet or lower legs
  • swollen or painful glands
  • thickening of bronchial secretions
  • unusual bleeding or bruising
  • weight gain

Other side effects of Canasa Pac

Some side effects of mesalamine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • sneezing

Less common

  • acne
  • belching
  • continuing ringing or buzzing or other unexplained noise in the ears
  • difficulty with moving
  • dizziness or lightheadedness
  • excess air or gas in the stomach or bowels
  • feeling of constant movement of self or surroundings
  • hair loss or thinning of the hair
  • hearing loss
  • heartburn
  • muscle stiffness
  • passing gas
  • sensation of spinning
  • stomach discomfort or upset

Incidence not known

  • burning, numbness, tingling, or painful sensations
  • unsteadiness or awkwardness
  • weakness in the arms, hands, legs, or feet

For healthcare professionals

Applies to mesalamine: compounding powder, oral capsule extended release, oral delayed release capsule, oral delayed release tablet, rectal enema, rectal kit, rectal suppository.

General

The most common adverse events were headache, eructation, and aggravation of ulcerative colitis.[Ref]

Gastrointestinal

Nervous system

Other

Respiratory

Cardiovascular

Dermatologic

Musculoskeletal

Hepatic

Metabolic

Ocular

Renal

Hematologic

Hypersensitivity

Genitourinary

Psychiatric

References

1. (2022) "Product Information. Asacol (mesalamine)." Procter and Gamble Pharmaceuticals

2. (2022) "Product Information. Rowasa (mesalamine)." Solvay Pharmaceuticals Inc

3. "Product Information. Pentasa (mesalamine)." Hoechst Marion Roussel

4. "Product Information. Canasa (mesalamine)." Axcan Pharma US Inc

5. Cerner Multum, Inc. "UK Summary of Product Characteristics."

6. (2022) "Product Information. Lialda (mesalamine)." Shire US Inc

7. Cerner Multum, Inc. "Australian Product Information."

8. "Product Information. Apriso (mesalamine)." Salix Pharmaceuticals

9. (2022) "Product Information. Delzicol (mesalamine)." Warner Chilcott Laboratories

Frequently asked questions

Further information

Canasa Pac side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.