how many days till letrozole

[arizona66]

How many days until letrozole completely supresses estrogen in the body?

 

[stevesmi]

it is a very strong AI, and you never want to completely send estrogen to 0. blood work will tell you the answer

 

[dylangemelli]

only bloodwork will tell you... everyone responds differently... some are far more estrogen prone than others and there is no set number there

 

[SteveMobsterG]

That's why it's not recommended

 

[muskate]

Letrozole has a half life of 2 days so it'll reach full blood hormone levels around 8 days after starting it