Short answer · Medically reviewed summary · Last updated: 2026-05-08

Rickets is a skeletal disorder caused by a deficiency in vitamin D, calcium, or phosphate, leading to the softening and weakening of bones in children. The most common symptoms of Rickets include delayed growth, skeletal deformities such as bowed legs or knock-knees, and persistent bone pain or tenderness. What are the primary physical symptoms of Rickets? In children, the symptoms of Rickets often manifest as physical changes in the skeletal structure.

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Which are the symptoms of Rickets?

Symptoms of Rickets reported by real patients, from the most common to the most limiting, plus a medically reviewed summary with sources.

Rickets symptoms

Rickets is a skeletal disorder caused by a deficiency in vitamin D, calcium, or phosphate, leading to the softening and weakening of bones in children. The most common symptoms of Rickets include delayed growth, skeletal deformities such as bowed legs or knock-knees, and persistent bone pain or tenderness.



What are the primary physical symptoms of Rickets?


In children, the symptoms of Rickets often manifest as physical changes in the skeletal structure. Because the bones lack sufficient mineralization, they become soft and pliable, leading to structural abnormalities. Common signs include:



  • Skeletal deformities: Bowed legs or knock-knees, thickening of the wrists and ankles, and a protruding breastbone.

  • Bone pain: Ongoing discomfort in the spine, pelvis, and legs.

  • Dental issues: Delayed tooth formation, structural defects in teeth, and increased risk of cavities.

  • Muscle weakness: Reduced muscle tone (hypotonia) leading to delayed motor milestones like crawling or walking.



What are the early warning signs of Rickets?


Early identification is crucial for managing Rickets effectively. Parents should watch for irritability, lethargy, and failure to thrive. In infants, a soft skull (craniotabes) or delayed closure of the fontanelle (the soft spot on the head) may be early indicators that a child is developing Rickets.



How does the severity of Rickets vary?


The severity of Rickets varies significantly based on the duration and intensity of the nutritional or metabolic deficiency. While mild cases may only show subtle radiographic changes, severe, untreated Rickets can lead to permanent skeletal deformities, short stature, and increased susceptibility to bone fractures. Daily quality of life is often impacted by chronic pain and restricted mobility, which may hinder a child's ability to participate in physical activities.



When should you seek immediate medical attention?


You should consult a physician immediately if you notice sudden, severe bone pain, an inability to bear weight on the legs, or signs of hypocalcemia, such as muscle cramps, seizures, or twitching. These symptoms indicate that Rickets has reached a critical stage requiring urgent clinical intervention.



Next steps



  • Consult a pediatric endocrinologist or a specialist physician to discuss blood work and diagnostic imaging.

  • Monitor your child’s nutritional intake, specifically focusing on vitamin D and calcium levels.

  • Join our community at DiseaseMaps.org to connect with others who have shared their experiences with Rickets.



Medical disclaimer: This content is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Rickets

  • Orphanet: Rare bone diseases database

  • MedlinePlus: Rickets information

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-05-08
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
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