The generic name of Viagra is sildenafil citrate tablets, and there is usually no particular harm in taking it as prescribed, but adverse reactions such as headache, flushing, indigestion, abnormal vision, nasal congestion, back pain, and myalgia may occur.
Sildenafil citrate tablets, the main ingredient of which is sildenafil citrate, can be used to treat or improve erectile dysfunction. If taken as prescribed, there is generally no particular harm, but clinical trials have reported common adverse reactions such as headache, flushing, dyspepsia, abnormal vision, nasal congestion, back pain, myalgia, nausea, and dizziness.
It is important to note that this product is contraindicated in patients taking nitrate drugs, in patients who are allergic to the ingredients in this product, and in patients whose cardiovascular status makes them unfit for sexual activity.
This product should be used under the supervision of a doctor to prevent improper use of medication.