How does Crohn’s disease influence bone density?

April 10, 2025

The Bone Density Solution By Shelly Manning The Bone Density Solution is worth considering for all those who are looking for an effective and lasting solution for the pain and inflammation caused by osteoporosis. The solutions are natural and can contribute to the overall well being. You just need to develop some healthy habits and add the right food to your diet to get the desired benefit.


How does Crohn’s disease influence bone density?

Crohn’s disease, a chronic inflammatory bowel disease (IBD), can significantly affect the bone density of the patient. Patients with Crohn’s disease are at greater risk of developing osteoporosis and experiencing bone fractures, primarily due to a cascade of events involving inflammation, malabsorption of vital nutrients, and side effects of medications. Below is how Crohn’s disease impacts bone health:

1. Inflammation and Bone Resorption:
Crohn’s disease is characterized by chronic inflammation and plays a central role in bone loss. The pro-inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-α) and interleukins, are present in high concentrations in patients with Crohn’s disease. The cytokines can act to enhance the activity of osteoclasts, which are cells involved in the resorption of bone tissue.

The chronic inflammation in Crohn’s disease boosts bone resorption, or bone breakdown, that lowers the bone density over time.

2. Nutrient Deficiencies:
Crohn’s disease can lead to malabsorption of essential nutrients that are required by the bones, particularly calcium, vitamin D, and magnesium.

Calcium is responsible for maintaining bones healthy and shaped, and its deficiency causes osteopenia (low bone mass) and osteoporosis.

Vitamin D is necessary for the absorption of calcium. People with Crohn’s disease, especially those with involvement of the small bowel, may have trouble absorbing vitamin D, which also impairs calcium absorption and bone mineralization.

Magnesium is another mineral that plays a role in bone health, and deficiencies in magnesium can also cause osteoporosis.

Deficiencies of these nutrients are common in patients with Crohn’s disease, especially during active disease flare-ups when the intestines cannot absorb nutrients effectively.

3. Corticosteroid Use:
Patients with Crohn’s disease are often treated with corticosteroids (e.g., prednisone) to manage inflammation and flare-ups. While effective at suppressing symptoms, corticosteroids have adverse effects on bone health.

Corticosteroids increase bone resorption by stimulating osteoclasts (cells that destroy bone) and inhibiting osteoblasts (cells that build bone).

Long-term corticosteroid use can lead to bone loss, bone density loss, and an increased risk of osteoporosis and fractures.

Corticosteroids also reduce calcium absorption and can inhibit collagen synthesis, which gives strength and structure to bones.

4. Reduced Physical Activity:
Fatigue, abdominal pain, joint pain, and other symptoms of Crohn’s disease can lead to decreased physical activity. Weight-bearing exercise and physical activity are vital to maintain bones’ density as they stimulate bone formation and keep bones strong.

With decreased activity from symptoms, individuals with Crohn’s disease can experience increased progressive bone loss over time.

5. Vitamin D Deficiency:
The majority of patients with Crohn’s disease experience intestinal malabsorption, particularly if the ileum or small intestine is affected. Since vitamin D is obtained mostly from sun exposure and the diet, individuals with Crohn’s disease are not able to get enough of this essential substance.

Vitamin D has an essential function in bone metabolism and calcium metabolism. Deficiency of vitamin D can lead to rickets (in children) or osteomalacia (in adults), which are diseases of soft, weak bones.

6. Surgical Interventions:
Some Crohn’s patients require surgery to remove segments of the small intestine or large intestine due to complications of the disease. This may result in malabsorption syndromes, which further enhance nutritional deficiencies, particularly in calcium, vitamin D, and magnesium, which maintain bones dense.

Bowel resections and ileostomies (when the ileum is bypassed) can lead to long-term malabsorption of nutrients and bone density loss.

7. Increased Risk of Fractures:
Due to the combination of inflammation, corticosteroid use, malabsorption of nutrients, and reduced physical activity, patients with Crohn’s disease are at increased risk for developing fractures. Even with minimal trauma, fractures can occur due to compromised bones.

Spinal and hip fractures are particularly concerning as they can significantly impact mobility and quality of life.

8. Disease Location Effect:
The location and extent of gastrointestinal disease can influence bone health. Individuals with ileal Crohn’s disease (the part of the small intestine where the body absorbs vitamin D and calcium) are more apt to have low calcium and vitamin D levels, leading to worse bone health.

9. Increased Disease Duration:
The longer one has Crohn’s disease, especially if the disease is not well controlled, the greater the cumulative effect on bone density. Chronic inflammation and prolonged administration of corticosteroids and other medications over many years increase the risk of developing osteoporosis.

Treatment of Bone Health in Crohn’s Disease:
Calcium and Vitamin D Supplementation:

Individuals with Crohn’s disease are generally advised to take calcium and vitamin D supplements to prevent bone loss. One needs to consult with a health care provider to determine the correct dosage.

In individuals with severe malabsorption or surgery, larger doses are needed.

Osteoporosis Medications:

Drugs like bisphosphonates (e.g., alendronate, risedronate) or denosumab may be administered to raise the bone density and reduce fracture risk in Crohn’s disease patients with osteoporosis.

Corticosteroid Sparing:

A trial to reduce corticosteroid therapy by using other drugs (e.g., immune-modulating drugs or biologic therapy) to control Crohn’s disease will also reduce the risk of bone loss.

Regular Bone Density Monitoring:

Individuals with Crohn’s disease, especially those who have been taking corticosteroids for a long time, need to have regular bone density tests (e.g., DEXA scans) to check for early osteoporosis.

Physical Activity:

Weight-bearing activities like walking, jogging, or weight training on a regular basis can be beneficial in maintaining bone integrity as well as enhancing overall strength and mobility.

Conclusion:
Crohn’s disease significantly impacts bone density due to chronic inflammation, malabsorption of nutrients (particularly calcium and vitamin D), corticosteroid treatment, and physical inactivity. Patients with Crohn’s disease are at increased risk for developing osteoporosis and experiencing bone fractures. Successful treatment of Crohn’s disease, supplementation with necessary nutrients, judicious use of corticosteroids, and staying active are significant steps to protect bone health and avoid osteoporosis in patients with this disease. Regular monitoring of bone density is also required to identify early signs of bone loss.

The Bone Density Solution By Shelly Manning The Bone Density Solution is worth considering for all those who are looking for an effective and lasting solution for the pain and inflammation caused by osteoporosis. The solutions are natural and can contribute to the overall well being. You just need to develop some healthy habits and add the right food to your diet to get the desired benefit.