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Vitamin D deficiency in psychiatric in-patients and treatment with daily supplements of calcium and ergocalciferol

John A. Dent, Consultant Psychiatrist

St Bernards Hospital, 2nd floor, Tony Hillis Wing, Southall, Middlesex UB13EU, email: john.dent{at}wlmht.nhs.uk

Declaration of interest

None.

AIMS AND METHOD

This study examines the prevalence of vitamin D deficiency in a group of male psychiatric in-patients and follows 16 of them prospectively during treatment with calcium and ergocalciferol tablets.

RESULTS

Of 17 male patients, 15 had vitamin D deficiency and two had borderline deficiency. Vitamin D deficiency was associated with Black and minority ethnic background. Improvement in vitamin D status was observed following replacement therapy.

CLINICAL IMPLICATIONS

Vitamin D deficiency may be widespread in the psychiatric population particularly in Black and minority ethnic but also in White European in-patients. Vitamin D level should be routinely monitored in psychiatric in-patients. For those with vitamin D deficiency, replacement therapy can be commenced with calcium and ergocalciferol tablets (containing 10 µg of ergocalciferol), which is safe and well tolerated. All psychiatric in-patients should have adequate exposure to sunlight and attention to diet to ensure that they receive their recommended daily allowance of vitamins and minerals.

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