FYI you can't donate blood when on fin/dut Finasteride/Dutasteride 8/20/2025
People on finasteride or dutasteride cannot donate blood due to the risk of birth defects if the blood is given to a pregnant woman. It's advised to stop finasteride for a month and dutasteride for six months before donating.
View this post in the Community →
Similar Community Posts Join
6 / 1000+ resultscommunity Is finasteride better than dutasteride?
Dutasteride reduces DHT more effectively than finasteride, but finasteride is more commonly used and approved for hair loss. Users have mixed opinions on dutasteride's effectiveness, with some experiencing better results and others facing side effects or no improvement.
community Yes, your hair CAN get worse on dutasteride and fin DOES work better for some (With pictures over 1.5 years)
Switching from finasteride to dutasteride can worsen hairlines for some, as experienced by the original poster. Finasteride worked better for them, and they suggest returning to it if dutasteride causes hair loss.
community Switched from Finasteride to Dutasteride. Hair thinning
The user switched from finasteride to dutasteride and experienced hair thinning, which is expected during the transition. They are using ketoconazole shampoo, considering dermarolling, and adding topical minoxidil to their routine.
community Will Finasteride/Dutasteride Work for me ?
A 24-year-old male is experiencing hair loss and considering treatments like finasteride and minoxidil after noticing low levels of Vitamin D, iron, and testosterone. Users discuss the effectiveness of these treatments and the importance of consulting a dermatologist, while also mentioning potential side effects of finasteride.
community Dutasteride power compared to finasteride
Dutasteride is generally considered more effective than finasteride for hair regrowth, with some users experiencing better results, especially at higher doses. However, individual responses vary, and some users report side effects or no response to either treatment.
community What’s better dutasteride or finasteride?
Dutasteride is seen as more effective than finasteride for hair loss but may have more side effects and a longer half-life. Some start with finasteride for fewer side effects, while others switch to dutasteride for better results.
Related Research
6 / 1000+ results
research The Effect of 5α-Reductase Inhibition with Dutasteride and Finasteride on Semen Parameters and Serum Hormones in Healthy Men
Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
research The Effect of 5α-Reductase Inhibition With Dutasteride and Finasteride on Bone Mineral Density, Serum Lipoproteins, Hemoglobin, Prostate Specific Antigen, and Sexual Function in Healthy Young Men
Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
research Human Type 3 5α-Reductase Is Expressed in Peripheral Tissues at Higher Levels Than Types 1 and 2 and Its Activity Is Potently Inhibited by Finasteride and Dutasteride
Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
research The Efficacy and Safety of Dutasteride Compared with Finasteride in Treating Men with Androgenetic Alopecia: A Systematic Review and Meta-Analysis
Dutasteride more effectively treats hair loss than finasteride, but may increase risk of altered libido.
research The 5α-Reductase Inhibitor Dutasteride but Not Finasteride Protects Dopamine Neurons in the MPTP Mouse Model of Parkinson’s Disease
Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
research Pharmacogenetic Analysis of Human Steroid 5α Reductase Type II: Comparison of Finasteride and Dutasteride
Dutasteride is more efficient than finasteride, but individual results vary.