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With immunoassay-based techniques, testosterone levels in premenopausal women have been found to be about 40 ng/dL (1.4 nmol/L) and DHT levels about 10 ng/dL (0.34 nmol/L). [5] [74] With radioimmunoassays, the ranges for testosterone and DHT levels in women have been found to be 20 to 70 ng/dL and 5 to 30 ng/dL, respectively. [74]
Dutasteride (brand name Avodart) inhibits all three 5α-reductase isoenzymes and can decrease DHT levels by 95%. [9] [10] It can also reduce DHT levels in the prostate by 97 to 99% in men with prostate cancer. [11] [12] Epristeride (brand names Aipuliete, Chuanliu) is marketed in China for the treatment of benign prostatic hyperplasia.
Hyperandrogenism is a medical condition characterized by high levels of androgens.It is more common in women than men. [4] Symptoms of hyperandrogenism may include acne, seborrhea, hair loss on the scalp, increased body or facial hair, and infrequent or absent menstruation.
[173] [174] In men, a study found that treatment with a relatively low dosage of 20 μg/day ethinylestradiol for 5 weeks increased circulating SHBG levels by 150% and, due to the accompanying decrease free testosterone levels, increased total circulating levels of testosterone by 50% (via reduced negative feedback by androgens on the HPG axis).
RevivaHair Shampoo is a targeted daily shampoo treatment for men and women dealing with hair loss. ... The ingredient helps decrease levels of DHT in hair follicles while assisting with regrowth ...
[27] [116] [117] It may be that 11-ketotestosterone is the main androgen in women since it circulates at a similar level to testosterone and may [118] or may not [119] [120] decline with age as testosterone does. While 11-ketodihydrotestosterone (11KDHT) is equipotent to DHT, circulating levels of 11KDHT are lower than DHT. [27]
5αR2 is expressed in specific tissues and catalyzes the transformation of testosterone (T) to 5α-dihydrotestosterone (DHT). DHT plays a key role in the process of sexual differentiation in the external genitalia and prostate during the development of the male fetus. 5αR2D is a result of impaired 5αR2 activity resulting in decreased DHT levels.
As finasteride doesn’t lower your testosterone levels, it shouldn’t cause any side effects related to low testosterone like reduced drive, delayed climax, or other dysfunction problems.