Asacol Side Effects

Asacol is used to treat ulcerative colitis and other inflammatory bowel diseases. It works by helping to reduce inflammation in the bowel and other symptoms. Learn more about Asacol and Asacol Side Effects.

Asacol is also used to treat proctosigmoiditis, proctitis, and ulcerative colitis. It may also help prevent ulcerative colitis symptoms from recurring.

Drink a full glass of water while taking Asacol. It can be taken with or without food and consult your doctor for further instructions. It is important not to crush, break or chew Asacol tablet.

In order to protect your stomach, the table is an enteric-coated tablet (special coating), swallow the tablet whole.

Asacol Cautions

It is important to know the safety information that may affect you while taking Asacol. Tell your doctor if you have any of the conditions listed below:

  • history of allergy to sulfasalazine (Azulfidine)
  • congestive heart failure
  • pyloric stenosis
  • liver disease
  • kidney disease

The medication should not be used while you are pregnant as it can harm your unborn baby. If you believe you are pregnant or become pregnant, inform your doctor immediately.

It is unknown if this drug passes into breast milk and it is not recommended to use Asacol while you are breastfeeding.

Asacol Side Effects

Here are a list of most common Asacol side effects:

  • gas
  • diarrhea
  • stomach cramps
  • mild nausea or vomiting
  • skin rash
  • fatigue
  • a headache or dizziness
  • fever, sore throat or other flu symptoms
  • constipation

If you experience any of these serious side effects, contact your doctor immediately

  • allergic reaction including hives, difficulty breathing, swelling of your face, lips, tongue, or throat
  • bloody diarrhea
  • headache
  • fever
  • severe stomach pain or cramping
  • if you find any undissolved tablets in your stool

This is not a complete list of the Asacol side effects and others may occur. Call your doctor for medical advice about side effects.

If you think Asacol is right for you and would like to purchase some at a discounted rate online from an accredited Canadian Pharmacy go to