Viagra usually refers to Sildenafil Citrate, which is mainly used to treat erectile dysfunction in men, so taking Sildenafil Citrate is usually useful in case of erectile dysfunction in men.
The main ingredient of Sildenafil Citrate is Sildenafil Citrate, which is mainly used to treat male erectile dysfunction. Its dosage should be followed under the guidance of a doctor.
Sildenafil citrate may produce angina pectoris, palpitations, cardiac arrest, vomiting, anemia and other adverse reactions, so it is prohibited for those who are allergic to Sildenafil citrate, those who have cardiovascular system diseases, those who have bleeding disorders, pregnant women and lactating women, children and so on.
If you need to use sildenafil citrate, it is recommended to take it under the guidance of a doctor, do not use it on your own to avoid adverse effects.