What Causes Swelling On Face And Excessive Weight Gain?

Hi doctor i m a 26 yr old girl who has been gained 15 kg weight in last 2 yrs wid d puffiness of my face and around d face. I have beem trying on costant wid all othr modes of weight loss lik jogging dietinng and so on . Bt i vudnt continue it for so long becouse of my job patern eventhough i dont eat much at any time. I hav tested gor my all hormone levels and everything is in normal range. But my weight is still increasing. My height is 161cm nd my weight is 67 kg. So as a health professional i know dat eltroxin has an action of weight loss i started taking tab eltroxin 100 mg without any medical prescription or cosultation by doctor. I got married 2 months before and not planning to get pregnent gor two years. So i look forward gor your valuble advice to know that id it cause any future health problems????