Colitis Home > Canasa Dosage

The recommended Canasa dosage for treating ulcerative proctitis is one suppository, inserted rectally once a day at bedtime. You should try to retain the suppository (by not having a bowel movement) for at least one to three hours after inserting it. For the medication to work properly, Canasa dosing guidelines must be followed as prescribed.

Canasa Dosage: An Introduction

The dose of Canasa® (mesalamine) that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Other medical conditions you may have
  • Other medications you may currently be taking.
As is always the case, do not adjust your Canasa dose unless your healthcare provider specifically instructs you to do so.

Canasa Dosage for Ulcerative Proctitis

The recommended dose of Canasa for ulcerative proctitis is one Canasa suppository, inserted once daily at bedtime. Be sure to ask your healthcare provider how long you should use Canasa.

General Information on Dosing With Canasa

Considerations for people using Canasa include the following:
  • Canasa comes in a suppository form that is inserted rectally. Do not take Canasa by mouth.
  • Usually, one suppository is inserted at bedtime.
  • Make sure to remove the plastic wrapper before inserting the suppository. Try to avoid handling the suppository too much, as it is designed to melt at body temperature.
  • For ease of insertion, a little lubricating gel may be applied to the tip of the suppository before insertion.
  • Try to retain the suppository (do not have a bowel movement) for at least one to three hours after inserting it.
  • Be aware that Canasa suppositories will stain fabrics, flooring, painted surfaces, marble, granite, vinyl, and enamel.
  • For the medication to work properly, it must be used as prescribed. Canasa will not work if you stop using it.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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