5-Alpha Reductase Inhibitors Drug Class

5-Alpha reductase inhibitors are a class of drugs that treats benign prostatic hyperplasia (enlarged prostate) and hair loss when it is caused by an excess of androgen. 5-Alpha reductase inhibitors prevent the conversion of testosterone into dihydrotestosterone. Excess of dihydrotestosterone can cause hair loss in both men and women, enlarged prostates and urinary tract issues. 5-Alpha reductase inhibitors can also be used to limit the production of androgens in transwomen. This is a part of the hormone replacement therapy that many transgender individuals opt for. 5-Alpha reductase inhibitors have also been used to treat prostate cancer, but there have been many issues with this treatments. Side effects of 5-Alpha reductase inhibitors generally depend on the dosage received by the patient. They include decreased libido and other sex related issues, depression and anxiety. In rare cases, people may be allergic to 5-Alpha reductase inhibitors or experience breast tenderness or swelling. When used as a treatment for prostate cancer, 5-Alpha reductase inhibitors can increase the risk of more serious forms of prostate cancer.

5-Alpha Reductase Inhibitors Drugs

Drugs classified as 5-Alpha reductase inhibitors are listed below.

5-Alpha Reductase Inhibitors Uses

You will find the uses for 5-Alpha reductase inhibitors below.

  • Benign prostatic hyperplasia
  • Hair loss caused by androgens
  • Hormone replacement therapy
  • Prostate cancer

5-Alpha Reductase Inhibitors Side Effects

Like any other drug, 5-Alpha reductase inhibitors come with their own collection of side effects. Below you will find some of the common side effects of 5-Alpha reductase inhibitors. Note that not all possible side effects are listed.

  • Anxiety
  • Decreased libido
  • Decrease in ejaculate volume
  • Depression

Rare side effects include:

  • Allergic reaction
  • Breast tenderness or swelling

5-Alpha Reductase Inhibitors Interactions

Like any drug, 5-Alpha reductase inhibitors may interact with other drugs and substances. You should consult with your doctor before beginning any new medication, including over the counter drugs. Below you will find a list of drugs that may interact with 5-Alpha reductase inhibitors. Note that not all possible interactions are listed.