Bloodwork before/after starting Finasteride (5 months) Finasteride/Dutasteride 5/24/2025
A user reported a significant increase in testosterone and estradiol levels after taking Finasteride for 5 months, with estradiol levels rising over 2000%. They plan to consult their doctor, suspecting a lab error, as they feel fine with no side effects.
View this post in the Community →
Similar Community Posts Join
6 / 6 resultscommunity Increased adipose tissue (being overweight) in males may increase likelyhood of finasterde side effects
Being overweight may increase finasteride side effects due to higher aromatase activity converting testosterone to estradiol. Maintaining a healthy weight could reduce these side effects.
community My DHT levels have increased after taking 0.25mg Fin for 47 days!
A user experienced increased hair shedding and unchanged DHT levels after taking 0.25mg of finasteride for 47 days, leading them to increase the dose to 0.5mg. Others discussed varying experiences with finasteride, minoxidil, and the importance of measuring scalp DHT.
community Been on Propecia since 1997, recently switched to Topical Finasteride.. follow for updates, or to ask any questions about 23 years on Propecia.
User spent 23 years on Finasteride with side effects like weight gain and reduced libido. Switched to topical Finasteride, side effects reduced and waiting for results.
community Ultimate DHT/finasteride microdosing graph to replace the commonly one referenced on forums
Hair loss treatments, specifically, discussing the effectiveness and side effects of finasteride, minoxidil, and RU58841 in various microdoses. It also includes an updated graph which provides information on how different doses affect DHT levels, scalp skin and serum androgen levels, as well as hair count.
community Popular hair loss drug linked to higher suicide risk: compared to non-users, finasteride (Proscar/ Propecia) users have a markedly increased risk of depression, anxiety, and suicidal thoughts. Over 30 years of observation, 19,320 suicides were expected.
Finasteride users may have an increased risk of depression, anxiety, and suicidal thoughts, though some attribute these issues to hair loss itself. The link between finasteride and mental health effects is debated, with varying user experiences.
community Guide To Finasteride and Avoiding Side Effects
The conversation provides a guide on using finasteride for hair loss, suggesting to start with a quarter of a 1mg pill daily after ensuring estradiol levels are within a specific range, and potentially increasing the dose if no side effects occur. It also recommends supplements like DIM, Calcium d-glucarate, and Zinc to manage high estradiol levels and side effects from finasteride.
Related Research
6 / 6 results
research Role of 5α-dihydrotestosterone in testicular development of gilthead seabream following finasteride administration
This study suggests that in gilthead seabream, DHT is involved in the onset of the meiotic phase of spermatogenesis and influences serum levels of E2 through regulation of aromatase activity.
research Finasteride versus cyproterone acetate-estrogen regimens in the treatment of hirsutism
This study found that both finasteride and a regimen of cyproterone acetate plus ethinyl estradiol effectively reduced hirsutism in women, with similar results despite differing hormonal effects.
research Changes of sex hormone levels in male acne patients with normal serum testosterone and effect of antiandrogen therapy
In this study, adolescent male acne patients with normal serum testosterone showed improved outcomes with finasteride plus lifestyle intervention, significantly reducing DHT and free testosterone levels and improving SHBG levels, with minimal adverse effects.
research Finasteride
This study found that oral finasteride 1 mg/day promotes hair growth and prevents further hair loss in a significant proportion of men with male pattern hair loss over two years.
research Prolonged use of finasteride-induced gonadal sex steroids alterations, DNA damage and menstrual bleeding in women
This study found that prolonged use of finasteride in women led to altered levels of sex steroids, DNA damage, and increased menstrual bleeding, suggesting adverse health effects without clear benefits for androgenetic alopecia treatment.
research The expression of inducible nitric oxide synthase (iNOS) in the testis and epididymis of rats with a dihydrotestosterone (DHT) deficiency
This study concluded that finasteride-induced DHT deficiency intensified constitutive iNOS expression in rat testicular and epididymal cells, suggesting a complex regulatory relationship needing further investigation.