DoseRite Rectal Administration Device

Eliminate Anal Fissure Pain with DoseRite

The key to anal fissure pain relief is maintaining a relaxed internal anal sphincter muscle. This will stop the vicious anal fissure cycle, resulting in reduced pain, more comfortable bowel movements, and improved blood flow to the area, which promotes healing.

Read more about the benefit of using DoseRite in these publications, Diseases of the Colon and Rectum and Nature.


Keep the internal sphincter muscle relaxed by applying topical medications such as Diltiazem, Nifedipine or Nitroglycerine to the tissue surrounding the anal sphincter muscle (anoderm) in the anal canal.¹ Studies show that applying these medications in the anal canal is more effective at relaxing the internal sphincter muscle than application around the outside of the anus.²  Delivery into the rectum should also be avoided for effective relief.