what is this condition called..? and it's causes..?

A woman presented with the rash on her face shown below. What is the possible diagnosis?

3y F with below lesions from 4 days ; extremely pruritic ; gives similar history 1 yr back Dx? thanks in advance

Today we observed a case of a 19-year-old female, student presented complaining of fever with chills and joint pains for 10 days along with bilateral ankle joint swellings. Moreover, on examination found to have an erythematous rash over the cheeks, nose and shins which appeared 15 days back and progressively increased. Investigations done were all normal except for raised ESR and hemogram showing pancytopenia. ANA BLOT was done. What do you think could be the diagnosis?

45 years male Butterfly rash on the center of the face Itching and burning sensation Rash on the back also seen since 1 week. Diagnosis and treatment ?