A 40-year-old man with chronic plaque psoriasis presents with early morning stiffness and pain in his hands and feet lasting an hour, with swelling of several fingers. What is the most appropriate next step?ATreat with topical steroid for the skin onlyBRefer urgently to rheumatology for assessment of suspected psoriatic arthritisCReassure that his joint pain is unrelated to his psoriasisDPrescribe long-term NSAIDs alone with no referralEStart systemic steroids in primary careCheck my answer