Hello.
In your case hair fall and it's quality are a effect of hypothyroid condition. It's not because of thyronorm.
Regarding your weight- some people with hypothyroid do not put on much weight.
Next Steps
For hair fall - Do take a balanced healthy diet rich in proteins, vitamins and minerals.
Massage scalp 3 times a week with warm virgin Coconut oil. Shampoo should contain biotin, caffeine which promote hair regrowth. use mild conditioner.
Quarterly chk
thyroid levels and see if u need dosage revision.
Health Tips
You can approach a Homoeopath for holistic healing since your condition is at the level of endocrines.
This system will help you from within addressing all levels, mental, physical.
Hope this helps you.