Taking Propecia Preventatively

Dear doctor,
how do i find out if my hair loss has started or not? (my dad starting to lose his hair when he was 50, he has not lose all his hair yet but he you can see his scalp after washing his hair) …..do u think it is a good idea/time to start taking proprecia? i have been taking proprecia for nearly 3 months. what happen if i find out that my hair loss has not start, will i trigger the hair loss if i stop taking proprecia? Please teach me what to do. thank you so much for your time.

Get your hair mapped out for miniaturization and you will know for sure if the balding process has started. I doubt that Propecia will completely prevent the balding process if taken preventively. If I assume you saw no benefit yet on the drug, I would doubt that you would lose hair by stopping it now.