Rogaine or not

[Natalie]

Hi everyone took my 15 yr old son to the derm this week and she told me exactley what I did not want to hear mpb. I really shouldnt be a surprise cause my husbands bald and his father was, well you get the picture. I'm so upset. It truly breaks my heart cause hes so young. The doctor said to start using rogaine. His thinning is mainly in the crown area. I'm not sure what to do, I've read on hear that some people shed after a few months of using it.
Please what should I do.

THANKS, Natalie