Sildenafil is not therapeutically effective in healthy women and may cause some side effects, but it can be used to treat conditions such as pulmonary hypertension. Sildenafil can be used to treat erectile dysfunction in men and can also be used to treat pulmonary hypertension caused by increased vascular resistance, which can be controlled by dilating the arterial blood vessels in the body and reducing pulmonary hypertension. Therefore, sildenafil is not helpful for women’s sexual life, but it can be used for female patients with pulmonary hypertension. If sildenafil is taken by normal women, side effects such as low blood pressure, nasal congestion, headache, flushing, and visual abnormalities may occur. In general, most patients take this drug within an hour before sexual activity and supplemented with sexual stimulation can effectively improve erectile dysfunction. Sildenafil is forbidden to be combined with nitrate drugs, and this drug is contraindicated for pregnant women, people who are allergic to this product, children, and people whose recent cardiovascular status makes them unfit for sex. The drug is a prescription drug and should be used in strict accordance with medical advice.