SLE — SCE Rheumatology MCQ
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Correct answer: C — Use broad-spectrum sunscreen and physical barriers, and avoid direct sunlight, particularly when the UV index is high
Explanation lettering: C = shown as A · D = shown as B · A = shown as C · E = shown as D · B = shown as E
EULAR recommends photoprotection for people with SLE because ultraviolet radiation can provoke both cutaneous and systemic flares. Advice should include broad-spectrum sunscreen, avoidance of direct sunlight—especially when the UV index is high—and physical barriers such as long-sleeved clothing, hats and sunglasses. This applies irrespective of a previous photosensitive rash, making B incorrect. Both UVA and UVB protection are required, so C is incorrect. Vitamin D status or supplementation should be assessed when indicated, but unprotected sun exposure and routine supplementation do not replace photoprotection; therefore D and E are incorrect. EULAR does not specify an exact SPF in this recommendation, although current NHS guidance advises at least SPF 50 for lupus.
Reference: Parodis I, et al. EULAR recommendations for the non-pharmacological management of systemic lupus erythematosus and systemic sclerosis. Section: 'In people with SLE, photoprotection should be advised for the prevention of flares'. Ann Rheum Dis. 2024;83:720–729. https://ard.bmj.com/content/83/6/720