After surgery, the aim is a soft, formed stool that passes without straining. Both constipation and frequent watery diarrhoea can increase discomfort. We adapt food advice to your usual diet, tolerance, health conditions and the procedure performed.
Should you avoid eating?
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Skipping food because you fear a bowel movement does not protect the wound. Once eating is allowed after anaesthesia, resume food according to your discharge advice. Report nausea or difficulty tolerating food. Do not prescribe yourself several days of fasting without a medical reason.
There is no compulsory menu for every operation. Small portions of familiar food may be easier than a sudden dietary overhaul. Diabetes, kidney or heart disease, allergies and other restrictions need to be considered.
Increasing fibre gradually
Oats and other grains, vegetables, fruit, pulses and wholegrain foods can increase fibre intake. Choose foods you tolerate and make changes gradually. A large amount of bran or unfamiliar raw vegetables at once can cause bloating. You do not need to persist with a particular food that makes you feel worse.
Fibre supplements may form part of the plan, but do not replace assessment of constipation. Some work less well without appropriate fluid intake. Agree on the product and how to use it, particularly if you take several medicines.
Fluids and stool-softening treatment
Drink regularly throughout the day. A universal high fluid target is unsuitable for someone on a fluid restriction because of heart or kidney disease. The appropriate amount should be agreed with the treating clinician.
Take any prescribed laxative or stool softener as directed and report diarrhoea. Do not double a dose after one unsuccessful attempt to open your bowels. Some pain medicines contribute to constipation; ask for a review rather than stopping pain relief yourself.
Toilet habits
Respond to a natural urge. Avoid prolonged sitting on the toilet with a phone and repeated forceful straining. If nothing happens, do not try to force the process. Follow your wound-care instructions afterwards.
Do not use an enema or suppository after surgery unless agreed with the surgical team. When stool is delayed, the duration, pain, bloating, passage of wind and medicines all matter. Marked abdominal swelling, vomiting or severe pain need prompt assessment.
Sensible restrictions
Limit foods that reliably cause you constipation, diarrhoea or troublesome bloating. Spicy food may worsen burning, but identical lifelong food bans are unnecessary. Alcohol may interact with prescribed medicines, so follow the treatment advice you have been given.
At follow-up, describe stool frequency and consistency. Brief notes on meals, medicines and symptoms over a few days can help us adjust the plan without unnecessary restrictions or experimenting with the wound.
Sources
Information from the centre’s team. An individual treatment plan requires assessment.