Viagra generally refers to sildenafil citrate, and regular use of sildenafil citrate may have effects on the body such as dizziness and discomfort, vision effects, and abnormal blood pressure.
1. Dizziness and headache, flushing and weakness may occur.
2. Transient blurred vision and blue light may occur.
3. It may cause a drop in blood pressure, and in severe cases, fainting.
4. Abnormal erection may occur, prolonged erection will damage the cavernous tissue of the penis, and also aggravate the occurrence of impotence.
To summarize, when taking sildenafil citrate, it must be taken under the guidance of a doctor, avoid taking such drugs for a long time, and usually strengthen physical exercise.