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Scientists discover link between low vitamin D and post-surgical pain

Study of 184 women undergoing mastectomy reveals nutrient deficiency increases discomfort and analgesic use

Daniele Morais
September 15, 2026 · 3 min read
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Scientists discover link between low vitamin D and post-surgical pain
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Study highlights impact of vitamin D deficiency on recovery

Scientists identified an unusual link between low vitamin D levels in the body and pain intensity. In a study of 184 women who underwent mastectomy—the surgical removal of the breast for cancer treatment—the deficiency of this vitamin may make postoperative recovery considerably more painful for patients.

The research data reveal that patients lacking vitamin D had a three‑fold higher chance of experiencing moderate to severe pain during the first 24 hours after the surgical procedure. This group also required a substantially larger amount of tramadol, an opioid analgesic used to control intense pain.

Medication use and postoperative symptoms

In addition to increased tramadol consumption after surgery, patients with low vitamin D levels received a slightly higher dose of fentanyl (another potent opioid analgesic) during the operation itself. The study also indicated that these women reported more episodes of nausea following the procedure.

The context of mastectomy and pain management

Mastectomy is a major surgical procedure essential in the fight against breast cancer. Pain control in the immediate postoperative period of such interventions is a primary focus in medicine, as a painful recovery can directly affect the patient’s physical rehabilitation timeline. The use of opioid‑class analgesics, such as tramadol and fentanyl, is common practice to mitigate severe pain in hospital settings.

Vitamin D is an organic compound necessary for the human body, traditionally associated with calcium regulation and bone health. Investigating its influence on other physiological processes, such as pain modulation and response to surgical trauma, represents an area of interest for science aiming to improve patient care and recovery protocols.

With information from ScienceDaily.

Source: ScienceDaily

#vitamin D#mastectomy#post‑operative pain#breast cancer#scientific study
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