Finasteride is a commonly used drug for controlling benign prostatic hyperplasia and other diseases. Adverse reactions may occur in a few cases, but they can be controlled by adjusting the dosage of the drug and are not scary. Finasteride is commonly used in the clinical treatment of prostate hyperplasia and hypertrophy and other diseases of the drug, before the use of the drug will be carefully assessed whether there are contraindications to the use of drugs, etc., in the use of drugs will be related to the prevention of adverse reactions and detection, the safety of the use of drugs under the therapeutic dose is high, this drug is not terrible. The drug is usually well tolerated, but in the event of adverse reactions such as sexual dysfunction, breast discomfort, or rash, it is recommended to discontinue use of the drug and seek medical attention. The use of the drug is prohibited in the case of drug allergies, children, women, etc. Any medication is used for the purpose of improving the disease state, do not resist treatment due to fear of medication; in order to improve the safety of medication, it is recommended to use the medication under the guidance of a clinician, do not use the medication without authorization.