Does Viagra work?

Viagra is the trade name and the generic name is Sildenafil Citrate Tablets, which is better for patients suffering from erectile dysfunction of the penis.
Sildenafil citrate tablets is a kind of medication to improve penile erection, which can improve symptoms such as penile weakness caused by erectile dysfunction after taking the drug, and has a better therapeutic effect.
A few patients may experience weakness, itching, abdominal pain and tachycardia, accompanied by dry mouth, thirst, vomiting and muscle weakness. Most of the patients can disappear after stopping the drug, but if the symptoms persist, it is recommended to consult a doctor in time.
The drug can enhance the antihypertensive effect of nitrate, during the period of taking nitrate drugs, sildenafil citrate tablets are prohibited, women, children and other people are prohibited to take.
When taking the drug must strictly follow the doctor’s instructions, not to increase the dose of the drug, to avoid causing the body to have adverse reactions.