Treatment effects are usually seen in 4-6 weeks after taking paroxetine. Paroxetine, a selective 5-HT reuptake inhibitor, is a widely used psychotropic drug currently used to treat various types of depression. The drug is fast-acting and well-tolerated, and remains relatively effective in patients with major depression or in patients for whom other antidepressant treatments have not been effective. In addition, urology often treats premature ejaculation in men with sub-drugs, and patients need to use the medication under the guidance of a doctor, and cannot treat themselves with drugs at will, which can easily lead to drug overdose and adverse drug reactions. In the process of medication, if patients experience dizziness, insomnia, blurred vision, hypertension, tachycardia, etc., patients are considered to have adverse drug reactions and need to seek early medical review to adjust the medication regimen. In addition, special attention should be paid to the fact that there are interactions between this drug and many other drugs. Before using the drug, patients must inform their doctors in detail about their medication history and should not increase or decrease the drug at will to ensure their own safety.