<s>[INST] Hi I m on lupin for pre hystorectomy and I m having terrible joint pain wrists knees ankles & back I m also taking livial hrt which I thought would help I have my last injection on 2 nd May ready for surgery on 16 may is this normal & will it stop after surgery I also am having weight gain [/INST] It's difficult to tell whether you had multiple joint pains due to injection per se or it's altogether a different scenario. However, if you are having multiple joint pains with weight gain it could be rheumatoid arthritis / thyroid disorder ECBU if started with injections then rarely some patients might develop flu like illness with multiple joints involvement. With your symptoms above It's difficult to guess what cause your illness whether a Chat Doctor.  </s>