Finasteride and hair transplants, is it important to take it?

I get side effects from fin so I can’t take it. I’m 23 and thinking at 25 I’ll get a hair transplant. I was wondering if I’m required to take fin for it to work. Finasteride protects young men (under 30) from shock loss after a hair transplant. When a young man doesn’t take it, they run a risk if significant shock loss of the native hair. Many surgeons don’t use finasteride with...

Source