Please help me I already post my side effects that after taking t...

Please help me I already post my side effects that after taking that med for 7 months I start having a joint pain ,my all body hurts I have no energy left ,I have stopped taking doxy from last one week but I m not recover .does anyone know how I will get normal I m continuously taking Motrin 800 mg for my pain but I'm worried how long I can be on Motrin but if I don't take Motrin I cannot even walk ,does anyone think arthritis but my blood work was negative ...plz help me