Dutasteride at 0.5 mg/day does not significantly alter allopregnanolone levels, but higher doses (2.5 mg/day) do. Dutasteride may also have anti-neuroinflammatory effects, but the impact on neurosteroids is still debated.
Finasteride and dutasteride are discussed for hair loss, with concerns about their effects on neurosteroids and potential side effects like depression. Alternatives like topical estrogen and lifestyle changes are considered, with varying opinions on mental health and hair regrowth.
A user experienced increased testosterone and estradiol levels after starting finasteride/dutasteride and is asking if these levels will return to normal over time. The conversation focuses on whether these changes are temporary.
Finasteride significantly lowers allopregnanolone levels, while dutasteride's effect is less clear and may vary. Some users speculate that dutasteride might be healthier for the brain due to its different inhibition pathways.