Thyroid problem. Help me out plz!

I am 26 years old female I am suffering from hypothyroidism since Feb 2017 still my dosage is not set in starting doc started with 25mg thyronorm then increased it to 50 mg then to 75mg then again 50mg and now currently I am on 62.5mg thyronorm.. I am having constipation problem after thyroid condition developed weight gain prob and hair loss prob.. For constipation I am taking triphala churana but I guess if Is also not helping me out I was doing daily walk of 3-4 km for two months and dieting but the results was I was still gaining weight so stopped doing it from last 2weeks I actually don't know how to reduce my weight and cure constipation and hairloss please advice something which will be helpful for me I can't wait more to see results as it makes me frustrated to see my weight increased from 56 kgs to 62kgs help me out my diet is still normal I don't over eat take care of what I eat everything but still no results help me out plz