19yo started taking fin and noticing errection problems what should i do ?

Hello im 19 and i live in the uk, a while ago i noticed my hair was thinning and getting quite a bad receding hairline so i read up on fin and bought some finex 1mg from the internet.

On the first day i took 1mg and everything was fine on the second i took 1mg and i had kind of a headache and i was reading a study saying that lowerdoses can be just as effective so i skipped a dose for one day and then took 0.5mg and noticed its not as hard as it used to be and isent as spontaniouse but teh volume of ejaculate was the same so i dropped to 0.25 and i had the same problem, i dident take any today and it feels like it was when i was taking them.

Im not sure what to do ive herd so many diffrent things saying diffrent doses to take and its safe and if you continue use the problem will go away and then i found this website and have read some of the things that have happened to people and it scared me pretty bad. so is there any safe way to take this or is there a safe alternative like dutasteride ?

Thanks

Read this:

propeciahelp.com/forum/viewtopic.php?t=2275

Then read FAQ at top of site.

Get off the drug and stay off. Dutasteride is even more powerful than Fin, do not take it. This forum is for guys that have had permanent issues from the medication that did not resolve despite what Merck and FDA claim. If you just started taking it and found this website, consider yourself lucky.

If you plan to continue to take it, do not post here per the above link. If you continue to have issues after quitting over the next month, get bloodwork per list in FAQ.