Glycomet can cause weight loss. Stress.

Hello, Past 2 month I have started taking glycomet 250 twice a days , before starting tablet mybweight was 70 kg , after started taking feel weight loss and checked after 2 month my weight was 65+ my butt's fat and body fat reduce as well face fat , before taking I done recommended test kidney ,liver and urine test ,cbc  which was normal ,  my hba1c reduce To 6 from 6.7 after one month  , is this tablet causing weight reduction, I did some diet as well like avoid white sugar and rice change to milet rice and reduce white rice etc . Recently got fever only for one day and controlled with tablet , as well throat pain control with antibiotics in three days , only mild cough was there . During this two month I got injury only finger and heald now . So is this cause of tablet , stress or injury on finger , please elaborate. I am keep on going with test making me more stress .