Higher doses of dutasteride for hair loss are debated, with some users suggesting they are unnecessary and potentially unsafe. The original poster uses a combination of dutasteride, minoxidil, and RU58841 for hair regrowth, despite concerns about high dosages.
A dermatologist advised a patient to stop taking finasteride (fin) after turning 40 due to potential risk of aggressive prostate cancer. The patient and others in the conversation debated this advice, discussing the relationship between finasteride, prostate cancer, and hair loss, and considering alternatives like topical finasteride.
Dutasteride and finasteride may temporarily affect semen quality but are unlikely to cause permanent infertility. The Kim et al. study is criticized for poor methodology, and many prefer hair retention over potential fertility concerns, using treatments like dutasteride, finasteride, and minoxidil.