Propecia, also known as Finasteride, is a medication used to treat male pattern baldness and an enlarged prostate. It works by blocking the conversion of testosterone to dihydrotestosterone (DHT) in the body. DHT is a hormone that is linked to male pattern baldness and prostate growth. The recommended dosage for Propecia is one pill, 1mg, daily. Some men may see results after taking Propecia for only a few months, while others may take it for several years to maintain their results. It's important to note that taking more than one pill of Propecia at a time does not increase the effectiveness of the medication and can potentially cause harmful side effects. It's also important to consult with your doctor before taking Propecia, especially if you have any medical conditions or are taking other medications. It's always best to follow the dosage instructions provided by your doctor. If you have any questions about taking Propecia, be sure to discuss them with your healthcare provider.