1. No feeling. Some people may have no reaction after taking Viagra for the first time, so they need to try to adjust the dosage and try many times at the same time. Generally, the best effect can be achieved after 4-5 attempts.

2. Positive feelings and effects. After taking viagra, some people with erectile dysfunction know that their faces are burning, and they obviously feel their pulse beating. After touching, kissing and other new stimuli, the penis erection is stronger than usual, the sexual intercourse time is prolonged, and ejaculation becomes powerful;

3. Negative feelings and effects. Some patients will have some uncomfortable feelings and side effects after taking Viagra, such as dizziness, tinnitus, dizziness, fainting, decreased blood pressure, abnormal erection of penis, etc. Long-term use may lead to aggravation of cardiovascular diseases, glaucoma, permanent impotence, penitencis, etc.

Many men are curious about Viagra, and even if they are not impotent, they want to eat Viagra to enhance their sexual ability. However, taking viagra itself can not cause or improve sexual desire, but its function is only to help impotence patients restore normal erectile function when there is sexual stimulation. When there is no sexual stimulation, taking the recommended dose of Viagra is useless.

And if a healthy man without impotence, sexual ability is 95 points, eating Viagra may also be 96 points, which has played a psychological role 1 point. Viagra is not a beep. People with good erections should not abuse it. It is suitable for men with poor erections. It is recommended to consult a doctor for the first time.