Abstract
Functional constipation (FC) is a pervasive problem in pediatrics. Although pharmaceuticals are commonly used for FC, parents and patients show reluctance or find dissatisfaction with available medications at times. Further, patients often have interest in utilizing nutraceutical supplements and botanicals that are available over the counter. This literature review aims to summarize research studies performed on non-pharmacologic approaches to constipation and to evaluate the safety and efficacy of these modalities. Overall data on non-pharmacologic treatments for childhood constipation were sparse, and though some studies were available for adult populations, pediatrics studies were generally limited, lacking or flawed. Certain supplements, such as prebiotics, probiotics and fiber, are safe and are without significant side effects. Though fiber supplements such as glucomannan, green banana mass, cocao husk and various fiber blends have emerging evidence in children, evidence for psyllium, cellulose and flaxseed only have supportive studies in adults. Other than senna, studies of botanicals indicate significant safety concerns (in particular with Aloe vera with aloin and Cascara sagrada) and insufficient evidence. For patients with a significant behavioral or anxiety component to their FC and exhibit dyssynergia, mind-body interventions (e.g. diaphragmatic breathing, biofeedback, cognitive behavioral therapy, and behavioral modifications) are certainly safe and effective. Finally, movement and manipulative interventions such as abdominal massage, reflexology, acupuncture and transcutaneous nerve stimulation show promise in the field of pediatric constipation, and data is accumulating for efficacy. These modalities require further study to determine mechanisms of action and which populations may benefit the most from these therapies.
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Key Points
There is a need to explore other treatment choices for children with functional constipation (FC). This study was a review of the various non-pharmacologic modalities that are used for constipation. This review highlights the treatment of constipation using nutraceuticals like diet and botanicals, behavioral therapies, and manipulative treatments that are supported by evidence of efficacy and/or physiological plausibility. The purported health benefits of these treatments are based on results obtained in pre-clinical studies and early phase clinical trials.
Increased dietary fiber (96%) and fluids (90%) are the two most preferred non-pharmacologic approaches for FC by pediatricians. According to the NHANES survey in 2001, 9 out of 10 American children fail to meet the amount of fiber intake as recommended by the Institute of Medicine. Similarly, low-fiber intake is associated with an increased risk of constipation. In Diabetic adults, 10 g/day of flaxseed improved baseline of constipation symptoms. In Adults on dialysis, 4 mL of flaxseed oil, improved frequency of evacuation and the consistency of stools. There have been no FC studies focused on flaxseed in children. No safety concerns with 30 g of flaxseed per day for 4 weeks in children with dyslipidemia have been identified.