Thanks for the details.
Your clinical symptoms & blood tests do suggest overlap of lupus & rheumatoid arthritis.
CCP is very specific for RA, ds DNA is specific for lupus.
In the light of skin rashes & joint pains, disease modifying agents like plaquenil should be started.
If the disease activity is still activity, low dose prednisone can be added.
Other agents like metrotrexate, mycophentolate can be considered if the above treatment does not control your symptoms adequately.
The symptoms are bearable at this time. Is it really necessary to take DMARDs now or can I wait and get along with mobic only
The DMARDs should be started to arrest the progression of the disease.