Thyronorm and Female Hair Loss?

Hello Doctor,
I am 23 year old female and have been losing about 100 hair everyday. I had undergone a thyroid goitre surgery when I was 20 years i.e in 2004 and had lost tremendous amount of hair then due to hormonal imbalance. I have been taking Thyronorm ever since to supplement hormones. After that my hair loss reduced a little bit but never stopped. I have noticed and increase in my hair loss since past 10 months. I got my thyroid tested 8 months ago and it was normal.

I have also started taking iron pills since past one month. I am extremely worried about my situation and don’t understand what I can do. I have heard that there are certain oils in hair that make hair follicles really small and hair never grows back. Is that true? Are there any tests that I can perform to figure out the actual reason for the loss? what medication would you recommend me in my case?

I am eagerly looking forward to hear from you. Please help. Thank you

It is normal to lose around 100+ hairs a day, as about 100 hairs per day are regrown to balance the loss. Medical conditions such as thyroid problems and iron deficiencies are associated with hair loss, but it can still persist despite adequate treatment. There is only one medication FDA approved for treating women with hair loss — minoxidil (marketed as Rogaine).

To my knowledge, the impact of hormones on the size of the hair follicles below the skin has not been demonstrated and that includes oils that are either applied by you or internal to your skin.