Talk to General Physician on Auto Immune (Sjogren's Syndrome)

Hello Doctors, Please tag Rheumatologist or Pulmonologist. My mother was diagnosed with Sjögren’s syndrome in July 2019 in which lungs were involved. (Early ILD diagnosed) Her treatment went for 2 years with Dr Saqib Saeed. She was taking Delta cortril (steriods) (2+0+0) and Cell Cept (immuno suppressant) (1+0+1). From last one month, she was doing fine so doctor stopped her medications. Its been one month now since the medications have stopped l, but she has severe bodyaches overall. Is there any testing required? Her breathing and lungs pain are fine as well alhumdulillah. Is there any possibility that her auto immnue has attacked at any other body part? What is this body ache for? Please advice. Thank you.