Since you seem to be offline, ill leave a response here which we can discuss later on.
Fecal impaction usually is a problem which needs to be dealt with at the hospital given the hard nature of the stools. However you can certainly try some methods before going for manual evacuation at the hospital since you dont have absolute constipation or abdominal tenderness at the moment. The best and safest method given your repeated surgeries in the past can be with insertion of glycerine suppositries into the rectum, place three suppositries in the rectum which should lubricate the stools enough to allow them to pass out. This would work if the impaction is lower down in the rectum. At the same time you can use oral laxatives like polyethylene glycol to soften the stools in order to allow them to pass out. but given yur history of incontinence in the past i would recommend using one method at a time. Use the suppositries first, if they dont work then go for the laxatives. If that doesnt work then an enema would be needed to soften the stools and have them pass out.
However in case of severe impactions these would not be very effective and in such a case a manual evacuation would be needed. So if these methods dont work then proceed directly to teh ER where they can manually evacuate the intestine.
This discussion is open and you can ask me any further questions. If you have tried these methods, please let me know so we can come up with other solutions. Do let me know if you need more information. Also if you stop passing gas at any time or if you develop abdominal pain and tenderness at any time, immediately proceed to the ER as that could indicate an obstruction.
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