What harm does Viagra have if you eat too much?

Clinical doctors normally encounter erectile dysfunction patients, due to male erectile dysfunction sexual life problems, Viagra is also clinically used to treat male erectile dysfunction more commonly. Viagra this drug is not without harm, especially for patients with poor cardiopulmonary function, when taking Viagra, be sure to take medicine under the guidance of the doctor. Some patients may be suitable for taking Viagra, some patients may not be suitable for taking Viagra. In addition, after taking Viagra, most patients will show headache, even nasal congestion, flushing symptoms, which is a normal phenomenon. However, if patients with high blood pressure or bad heart disease, when taking Viagra, be sure to prevent excessive heart rate, prevent high blood pressure, and be sure to take medicine under the guidance of a doctor.