Proscar is a prescription drug classified as a 5-alpha-reductase inhibitor used to treat benign prostatic hyperplasia. It works by blocking the enzyme that converts testosterone into dihydrotestosterone, the hormone responsible for prostate enlargement. By lowering dihydrotestosterone levels, the therapy reduces prostate volume and improves urinary symptoms. The medication is taken orally and generally produces gradual symptom relief over several months. Its pharmacologic effect is specific to the prostate and does not significantly alter systemic androgen levels. This mechanism provides the therapeutic benefit without broadly affecting other hormonal functions.

Proscar is a prescription medication that contains the active ingredient finasteride. It is classified as a 5-alpha-reductase inhibitor used primarily for the treatment of benign prostatic hyperplasia. The drug works by blocking the conversion of testosterone into dihydrotestosterone, a more potent androgen. By reducing dihydrotestosterone levels, it leads to a shrinkage of the enlarged prostate tissue. This reduction in prostate size helps alleviate lower urinary tract symptoms such as urgency and difficulty in urination. The therapeutic effect is achieved through selective inhibition of the enzyme 5-alpha-reductase type ii. The inhibition results in decreased intracellular androgen signaling, which drives cell proliferation in the prostate gland. Over time, the lowered androgen activity contributes to improved urine flow and reduced prostate volume.

Proscar is a medication used to treat benign prostatic hyperplasia. Some patients may experience changes in sexual function such as reduced libido or erectile difficulty. Breast tenderness or enlargement has been reported in a small number of cases. Dizziness or lightheadedness can occur, especially after the first few doses. Rarely, mild skin reactions such as rash may develop. Some individuals notice a decrease in sperm count or quality. Headache and fatigue are also documented side effects. These effects are generally mild and often resolve with continued use.

Proscar is a prescription medication used primarily for the treatment of benign prostatic hyperplasia. It works by inhibiting the conversion of testosterone into dihydrotestosterone, a hormone that contributes to prostate growth. Common side effects may include erectile dysfunction, decreased libido, and ejaculatory disorders. Some users report breast tenderness or enlargement, which usually resolves upon discontinuation. Rare but serious adverse effects can involve allergic reactions or hepatic dysfunction, which require immediate medical attention. Long-term use may affect cardiovascular parameters, although data on this relationship remain limited. Patients often experience no symptoms, while others notice subtle changes that may diminish over time. Understanding these potential effects helps individuals make informed decisions about their treatment options.