What should you know about vitamin D deficiency and scurvy?

Vitamin D helps the body absorb calcium and supports bones and muscles. Low levels may be associated with bone discomfort, muscle weakness or tiredness, although these symptoms have many possible causes. A clinician may consider diet, limited sunlight exposure, medicines, digestive conditions and other health factors when assessing it.

Scurvy is caused by prolonged lack of vitamin C, which the body needs for collagen production and wound healing. Possible features include swollen or bleeding gums, easy bruising, slow-healing wounds, joint pain and marked tiredness. It is not another name for vitamin D deficiency, and having one deficiency does not by itself confirm the other.

Arrange a medical assessment if symptoms persist, your diet is very restricted, or you have a condition that affects absorption. A clinician may review your history, examine you and request blood tests for the suspected deficiency. Do not start high-dose supplements without advice; the appropriate product and amount depend on your health and test results.

Until you are assessed, aim for a varied diet that includes sources of vitamin C, such as fruits and vegetables, and discuss vitamin D sources with a clinician or dietitian. Seek advice before giving supplements to a child or combining several products, because ingredients can overlap.

Book an appointment soon for bleeding or swollen gums, unexplained bruising, persistent bone or joint pain, muscle weakness, ongoing fatigue, or wounds that are slow to heal. These signs can have causes other than a vitamin deficiency, so testing matters.

Seek urgent medical help for severe weakness, confusion, fainting, difficulty breathing, heavy bleeding, or an inability to eat or drink. Contact a clinician promptly if symptoms are worsening or you are losing weight without trying.

Ask which deficiency your symptoms suggest, whether blood tests are needed, and whether any medicine or digestive problem could affect nutrient absorption. You can also ask which foods or supplement is suitable for you, how long treatment should continue, and when results should be reviewed.