What is subacute lupus erythematosus?

Subacute lupus erythematosus is called subacute cutaneous lupus erythematosus. Lupus erythematosus can be clinically manifested as facial butterfly erythema, discoid erythema, photoallergy, oral ulcer, alopecia, Raynaud's disease, etc., and can also show systemic symptoms, such as fever, fatigue, abnormal liver and kidney function, abnormal blood system, abnormal immune indicators, etc. It can be divided into two categories: systemic lupus erythematosus and discoid lupus erythematosus. Subacute cutaneous lupus erythematosus is a skin lesion between discoid lupus erythematosus and systemic lupus erythematosus. Subacute cutaneous lupus erythematosus is also known as superficial disseminated lupus, subacute disseminated lupus, psoriatic lupus, disseminated discoid lupus, etc. The lesions of this disease are different from discoid lupus erythematosus and from generalized cicatricial discoid lupus.