Viagra generally refers to Sildenafil Citrate, Sildenafil Citrate and Dapoxetine can generally be taken at the same time and can be taken under a doctor’s supervision. Sildenafil citrate is a male sexual function improvement drug that can be used to treat erectile dysfunction in men. Dapoxetine is a 5-hydroxytryptamine reuptake inhibitor and is currently used to treat premature ejaculation. Sildenafil citrate and Dapoxetine do not have any obvious contraindications and can usually be taken at the same time. However, patients need to take the drug under the guidance of the doctor, do not take without authorization, in order to avoid damage to health. Sildenafil citrate adverse reactions include facial edema, fatigue, pain, chest pain, chills, etc., while Dapoxetine adverse reactions include mild headache, nausea, etc., most of the discomfort is temporary, with the progression of time, can disappear on their own, no need to worry about it too much. Sildenafil is forbidden to be used in combination with nitrate drugs, and this drug is contraindicated in women, people who are allergic to this product, children, and people whose recent cardiovascular status makes them unfit for sexual intercourse. Dapoxetine is contraindicated in people with a known allergy to this product, in patients with a significant pathological condition of the heart, in patients with moderate and severe liver damage. The drug should also not be used in conjunction with thioridazine, strong cytochrome P450 3A4 inhibitors, and monoamine oxidase inhibitors. If patients experience any unusual discomfort during drug therapy, they need to seek prompt medical attention.