10 citations
,
October 2010 in “International Journal of Andrology” Finasteride doesn't affect oral testosterone undecanoate, and high DHT levels may cause acne, prostate issues, and hair loss.
The FDA did not approve a testosterone drug because of safety concerns.
19 citations
,
December 2021 in “Endocrine Reviews” There are various effective hormone treatments for puberty induction in boys and girls with hypogonadism, and starting treatment early is important.
November 2017 in “Reactions Weekly” Testosterone undecanoate caused hair loss; finasteride improved it but caused stomach issues for one patient.
5 citations
,
December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.