Symptoms & Warning Signs Across All Ages

Because Currarino syndrome affects the very end of the digestive tract and the base of the spine, its symptoms often center on bowel, bladder, and neurological function. The way these symptoms appear can change significantly as a person grows from a newborn into an adult ^[1][2].

Infancy and Childhood: Early Warning Signs

In newborns and young children, Currarino syndrome is most often identified through physical findings at birth or severe digestive struggles in the first months of life ^[1][3].

• Anorectal Malformations: At birth, doctors may notice anal atresia (the absence of an anal opening) or anal stenosis (an opening that is present but abnormally narrow) ^[1][4].
• Severe Chronic Constipation: This is perhaps the most common symptom. Unlike typical childhood constipation, this is often “refractory,” meaning it does not improve with standard dietary changes ^[1][2]. Stools may appear ribbon-like due to the narrow passage ^[5].
• Visible Birth Defects: An abnormal appearance of the sacrum (tailbone area) or a small dimple or mass in the lower back region may be present ^[6][3].

Adult Presentation: The “Hidden” Diagnosis

Many adults are diagnosed only after years of unexplained symptoms, or when a child in the family receives a diagnosis. In adults, the syndrome may present as:

• Refractory Constipation: A lifelong history of severe constipation that has required frequent medical intervention ^[2][7].
• Fecal Incontinence: Difficulty controlling bowel movements, which can occur if the nerves or muscles in the pelvic floor are affected by a presacral mass ^[1][4].
• Pelvic Pain or Pressure: As a presacral mass (a growth in front of the tailbone) grows, it can cause a feeling of fullness or pain in the pelvic region ^[1][7].

Important Note for Pregnancy: Pregnancy and vaginal childbirth require special multidisciplinary planning. An undiagnosed or untreated presacral mass can obstruct the birth canal or be dangerously ruptured during delivery, necessitating careful obstetric and surgical coordination.

A Critical Warning Sign: Recurrent Meningitis

One of the most serious complications of Currarino syndrome is recurrent meningitis (inflammation of the protective membranes covering the brain and spinal cord) ^[8][7].

This occurs through a specific mechanism: a fistula (an abnormal tunnel) may form between the rectum and the spinal canal. This tunnel allows enteric pathogens (bacteria normally found only in the gut) to travel directly into the central nervous system ^[8][9].

Emergency Warning for Meningitis and Lumbar Punctures:
If a person with Currarino syndrome develops a high fever, severe headache, or stiff neck, it is a medical emergency. However, standard lumbar punctures (spinal taps) are strictly contraindicated in patients with an unrepaired anterior sacral meningocele. Performing a blind lumbar puncture can cause a rapid shift in cerebrospinal fluid pressure, potentially leading to catastrophic brain herniation or rupture of the presacral mass. Always instruct emergency providers not to perform a lumbar puncture without prior neurosurgical clearance and an updated MRI.

Urinary and Neurological Symptoms

Because the nerves for the bladder and legs travel through the sacrum, abnormalities in this area can lead to “secondary” symptoms:

• Urinary Issues: This can include chronic cystitis (recurrent bladder infections), difficulty emptying the bladder, or urinary incontinence ^[4][3].
• Neurological Signs: If the spinal cord is “tethered” (stuck) or compressed by a mass, a person may experience lower limb weakness, changes in the way they walk, or foot deformities ^[3][10].

Identifying these warning signs early allows for a thorough diagnostic approach. Learn how doctors definitively map out the condition in the Genetics & Diagnosis section.