As with all surgeries, a hemorrhoidectomy involves risks and possible complications. Complications may become serious and life threatening in some cases. Complications can develop during surgery or recovery. General risks of surgery The general risks of surgery include: Anesthesia reaction, such as an allergic reaction and problems with breathingBleeding, which can lead to shockBlood clot, in particular a deep vein thrombosis that develops in the leg or pelvis. A blood clot can travel to your lungs causing a pulmonary embolism.Infection Potential complications of hemorrhoidectomy Complications of hemorrhoidectomy include: Anal stricture (narrowing of the anal canal)Difficulty urinating or urinary retentionFecal impaction (hard stool that is trapped in the anal canal)Fecal incontinence (leaking a small amount of stool) Pain with bowel movementsRecurrence of hemorrhoids Reducing your risk of complications You can reduce the risk of certain complications by following your treatment plan and: Avoiding straining during bowel movements. This may require a stool softener, increasing the fiber in your diet, and drinking eight to 10 glasses of water a day.Ensuring that all members of you care team are aware of any allergies Following activity, dietary and lifestyle restrictions and recommendations. This includes avoiding heavy lifting and strenuous activity as recommended by your doctor. Informing your doctor or radiologist if you are nursing or if there is any possibility of pregnancyNotifying your doctor right away of any concerns, such as bleeding, fever, increase in pain, or wound redness, swelling or drainage Taking your medications exactly as directedTelling all members of your care team if you have any allergies