11 side effects of Viagra

　　Viagra is the most commonly used drug for patients with priapism and infertility, but many people don't know that they lose more than they gain by taking Viagra. Here are 11 harmful side effects of the miracle Viagra.

　　1. Headache clinical In the trial, it was found that about 13% of people had headaches after taking the medicine, and the greater the dose, the more severe it became.

　　2. Dizziness About 3% of drug users may experience temporary blurred vision, and some may also experience hallucinations of seeing blue light.

　　3. Dizziness may cause a sudden drop in blood pressure. If you take nitroglycerin and other drugs at the same time, you will often become dizzy or even faint immediately.

　　4. Priapism will damage the vaginal muscle tissue and even worsen it. Impotence。

　　5. Cover up cardiovascular disease disease Impotence may be caused by heart disease, diabetes, or cancer aura, taking this medicine may mask the true condition.

　　6. Lower blood pressure. Viagra can cause lowering of blood pressure, and heart disease drugs containing glyceryl trinitrate or nitrates can also lower blood pressure. Therefore, when Viagra is mixed with these drugs, blood pressure will be greatly lowered, which may sometimes be life-threatening.

　　7. Permanent impotence Long-term use of Viagra can lead to drug dependence and even permanent impotence.

　　8. Glaucoma ophthalmologists warn that taking Viagra can cause blood pressure to drop, but patients with glaucoma have higher intraocular pressure. 3% to 5% of people may develop acute glaucoma, which can make people blind overnight. Even if it is cured, the original vision cannot be restored.

　　9. Temporary deafness: FDA reports that Viagra can cause deafness, and about 1/3 of the cases are temporary deafness.

　　10. Infertility Some experts in the United States believe that young people using Viagra may affect their reproductive ability.

　　11. Aggravating sleep apnea Obstructive sleep apnea is a common condition caused by the soft tissue of the larynx collapsing during sleep, blocking the airway and causing short-term breathing cessation. Erectile dysfunction has a high incidence in patients with obstructive sleep apnea, and when these patients take Viagra, it may cause congestion (blood congestion) in the upper airways, which may worsen breathing difficulties. However, despite these possible side effects, Viagra appears to have become one of the most successful aphrodisiacs ever created.