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Rowasa Rect

Precautions and Side Effects


Generic Name: MESALAMINE SUPPOSITORY - RECTAL
Pronounced: (mess-AL-uh-meen)

Rowasa Rect Side Effects

Table of Contents

Dizziness, rectal pain, pain when inserting the suppository, headache, gas, diarrhea, and mild hair loss may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Infrequently, this medication may make symptoms of your condition worse rather than better (acute intolerance syndrome or sensitivity reaction). Tell your doctor immediately if you experience any of these unlikely but serious side effects:

  • worsening stomach pain/cramping
  • worsening bloody diarrhea
  • fever
  • headache


Tell your doctor immediately if any of these rare but very serious side effects occur:

  • chest pain
  • difficulty breathing
  • severe stomach/abdominal pain (especially if spreading up the back)
  • change in the amount of urine
  • easy bruising/bleeding
  • signs of infection (e.g., fever, persistent sore throat)
  • a man's ability to father a child


A very serious allergic reaction to this drug is unlikely but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.

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