Hi , swelling over hands and legs can be due to hypothyroidism
. as you are saying that she is on treatment for hyperthyroidism
, it is likely that drug overdose
may cause hypothyroidism in some cases . Further thyroid evaluation by thyroid scan will help .
- joint disease with swelling is another probability . Here you will need X rays , RA test , ASO titer and clinical evaluation before we come to any conclusion .