A diagnosis will tell a butterfly.

A disease display with non specific displays are loosing weight,weakness, rising temperature,and after display a symptomatic for lupus are aches as artralgias and swelling as arthritis of small wrists joints, ray wrist, rare is big,and usually this pathology having with a muscle aches. As for lupus diagnosis a first meaning having a damage o the open parts of the body as in cheeks and nose spine with a forming as outline a butterfly, as on the auricles , and in decollete zone,as skin in these places as red, as displays crusts, and characterizing a red with cyanosis, as blue shadow for fingers ends or in the palms as in result for inflammation of small vessels and capillaries, as display capillaries.
Skin rashes combination with a damage of mucus membranes of mouth cavity as till red of top palate hard, stomatitis and ulcers with, as on the lips displays a red border, lips are dry, cracking, as in lips corners having cheilitis, hairs are fallen out till a nidus or full alopecia as owner  forehead and temples. As trophic destroys are braking nails. An other often pathology for lupus is Raunaud syndrome as alternating for white and blue of fingers hands in wordiness and cold, as in a future such a destroy of blood circulation lead to necrosis on the fingers is a hard display and in damage of organs are lungs, heart and kidneys.

A most often is pericarditis as an inflammation of heart bag with effusion as a filling for an abundant liquid in pericard, and massive effusion is rare happening.