13 Years Finasteride, Switched to Dutasteride - 25% increase in Total Testosterone (expected) but 150% increase in Free Testosterone? 9/30/2025
After switching from finasteride to dutasteride, the user experienced a 25% increase in total testosterone and a 150% increase in free testosterone, with side effects like brain fog and nipple tingling. The user plans to consult a lab for accuracy and adjust the dutasteride dosage to manage side effects.
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5 / 5 resultscommunity Does finasteride decrease free testosterone?
Finasteride may decrease free testosterone by increasing SHBG, potentially causing side effects like reduced libido and hormonal changes. Some find it effective for hair loss, while others experience negative effects.
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The user shared their experience with dutasteride for hair loss prevention, noting side effects like muscle weakness and brain fog, and observed increased testosterone levels. They recommend starting with a low dose and adjusting based on individual needs and blood work results.
community Estradiol (E2), Testosterone and DHT levels after 1 month on Dutasteride
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Switching from finasteride to dutasteride can worsen hair loss for some men due to increased testosterone levels. Topical treatments like RU58841 and Pyrilutamide are suggested to counteract these effects, but individual responses vary.
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