The potential side effects when using Finasteride 1mg tablets include depression, anxiety, dizziness, weakness, lightheadedness, headache, difficulty urinating, testicular pain, runny nose, rash, allergic reactions, swelling of hands or feet, swelling, pain, leakage, or tenderness of the breast tissue. Some men may experience sexual side effects such as reduced sexual desire, erectile dysfunction, or lowered semen volume. It is worth noting that in these same trials, 2.1% of men taking the placebo also reported these sexual effects.
