Nursing care
Intussusception nursing care: what to assess and what to do first
Written and reviewed by Dana Whitfield, RN, MSN · 5 min read · Updated September 2026
Short answer
Intussusception nursing care centres on recognising episodic, colicky abdominal pain during which the infant draws the legs up toward the abdomen, followed by lethargy between episodes and currant-jelly stool. Priorities are rapid assessment for bowel obstruction and perforation, IV access and fluid resuscitation, and preparing the child for an air or contrast enema, which is both diagnostic and often therapeutic.
The clinical picture
Intussusception occurs when one segment of bowel telescopes into an adjacent segment, most often ileocolic, dragging its mesentery with it. This compromises venous return and, if untreated, arterial supply, leading to bowel wall oedema, ischaemia, and eventually perforation. It is the most common cause of intestinal obstruction in children between three months and three years, with peak incidence around six to eighteen months.
The pain is classically paroxysmal rather than constant. The infant cries out, draws the legs up toward the abdomen, and may appear pale or sweaty during the episode, then settles and appears surprisingly well, even playful, in the interval between waves of pain. As the condition progresses, the infant becomes increasingly lethargic between episodes, which is itself a warning sign of worsening ischaemia. Currant-jelly stool, a mixture of blood and mucus, is a classic but relatively late finding, and its absence does not rule out intussusception.
Assessment: what to look for and in what order
Start with the pain pattern itself: ask caregivers to describe the episodes, their frequency, and whether the child draws the legs up during them, since this episodic, colicky quality with leg-drawing is the single most useful early clue before other signs appear. Assess the abdomen for distension, tenderness, and a palpable sausage-shaped mass, often in the right upper quadrant, though it can be difficult to feel in a distressed, guarding infant.
Check stool for blood and mucus at every opportunity, and specifically ask whether any stool passed has looked like redcurrant jelly. Assess hydration and perfusion, since vomiting and reduced intake accompany the pain. Take a full set of vital signs, watching for tachycardia and fever, which can signal bowel ischaemia or early peritonitis. Reassess between episodes rather than only during them, because lethargy in the pain-free interval is a red flag for progression that is easy to miss if you only assess while the child is crying.
Immediate interventions
Keep the child nil by mouth once intussusception is suspected, in anticipation of enema reduction or surgery. Establish IV access and begin fluid resuscitation, since vomiting, third-space losses, and reduced intake can lead to significant dehydration quickly in a small child. Insert a nasogastric tube if ordered to decompress the stomach and reduce vomiting and aspiration risk.
Prepare the family and the child for an air or contrast enema, which is usually attempted first under radiological guidance and is therapeutic in most cases, reducing the intussusception without surgery. Continue close monitoring throughout the procedure and immediately after, watching for signs of perforation, recurrence, or deterioration. If enema reduction fails, or there are signs of peritonitis or perforation on assessment, prepare the child for surgical reduction instead.
Ongoing nursing management
After successful enema reduction, monitor for recurrence, which occurs in a meaningful minority of cases, usually within the first 24 to 48 hours. Reassess pain pattern, abdominal exam, and stool characteristics at regular intervals, and keep the child under observation before discharge is even considered.
Advance feeding gradually once the child is pain-free and passing normal stool, following unit protocol. If surgical reduction or bowel resection was required, provide standard post-operative care: pain management, wound monitoring, and staged return of oral intake as bowel function returns. Throughout, keep the family informed, since the swing from acute distress to an apparently well child between episodes can be confusing and frightening for parents trying to judge how sick their child really is.
Patient and family education
Explain to parents what caused the obstruction in terms they can act on: a segment of bowel folded into itself, and why episodes of pain with leg-drawing alternated with apparently normal behaviour rather than constant crying. Teach them to recognise recurrence, which is the main reason for close follow-up: renewed episodic pain, leg-drawing, vomiting, or blood and mucus in the stool.
Review the expected feeding progression at home and reinforce that they should return promptly, not wait for the next scheduled appointment, if pain returns. Cover incision care if surgery was performed. Reassure them that most cases resolve with enema reduction alone and that recurrence, if it happens, is usually caught early when families know exactly what to watch for.
How this appears on the NCLEX
NCLEX items on intussusception are built around pattern recognition: an infant with sudden, severe, colicky abdominal pain who draws the knees to the chest, followed by a period of appearing well, then currant-jelly stool. Expect distractor answers built from pyloric stenosis or appendicitis, so anchor on the episodic, waves-of-pain quality and leg-drawing as the features that set intussusception apart.
Priority-setting questions typically test whether you recognise that vomiting, abdominal distension, and lethargy between episodes signal a worsening obstruction that needs escalation, not just symptomatic comfort measures. You may also see questions on the enema as both diagnostic and therapeutic, and on nil-by-mouth status as an immediate nursing action once intussusception is suspected, before any procedure is confirmed.
The next step on this is the same as on everything else here: answer questions and read the rationales. Our pediatrics practice questions are the closest set to what this page covers.
Common questions
What is the classic pain pattern in intussusception?
Pain comes in waves rather than staying constant. The infant cries out and draws the legs up toward the abdomen during an episode, then appears settled, even playful, in between episodes, which can mislead caregivers into thinking the child is improving.
Is currant-jelly stool always present?
No. It is a classic sign but a relatively late one, and its absence does not rule out intussusception. Episodic pain with leg-drawing usually appears before blood and mucus in the stool, so do not wait for currant-jelly stool to raise concern.
What comes first, an enema or surgery?
An air or contrast enema under radiological guidance is usually attempted first, since it is both diagnostic and often therapeutic. Surgery is reserved for failed enema reduction, perforation, or signs of peritonitis.
Why is nil by mouth ordered as soon as intussusception is suspected?
The child may need an enema reduction or surgery, and an empty stomach reduces the risk of vomiting and aspiration during either procedure. It also anticipates the possibility of general anaesthesia if enema reduction fails.
What should prompt concern for recurrence after enema reduction?
Renewed episodic abdominal pain with leg-drawing, vomiting, or blood and mucus in the stool within the first 24 to 48 hours. Recurrence is not rare, which is why close observation continues even after a successful reduction.