1, taking viagra can't cause sexual desire, but its function is to help ED patients recover their normal erectile function when they have sexual impulses. In other words, the main function of Viagra is to restore a person's normal sexual function and make you naturally erect when you have sexual impulses. This is also the biggest advantage of Viagra, which can restore the sexual function of natural erection and make love naturally. At the same time, Viagra actually has a strong delayed use effect. Many people do some experiments and usually have sex in half an hour, but they can persist for an hour after taking Viagra. Therefore, many people also use Viagra as an aphrodisiac, so Viagra is actually more than just an impotence drug.
Facts have proved that Viagra is really a good aphrodisiac. Viagra takes effect within 4-8 hours and takes effect in a short time. After 24 hours, the drug is completely excreted, which conforms to the sexual behavior habits of 90% men and has humanistic care. At present, there are more than 1500 documents that prove that Viagra has a success rate of more than 80% for impotence and premature ejaculation caused by different reasons, which shows that its curative effect is reliable. Viagra has passed the global 20 million. Viagra takes effect for 25-60 minutes, which is just in line with the time required for foreplay. The time of sexual intercourse is adjusted within the time with the highest drug concentration to help both husband and wife obtain satisfactory sexual life.
Side effects of viagra
1, headache. In clinical trials, it is found that about 1% people have headaches after taking the medicine, and the larger the dose, the more serious it is.
2. Dizziness. About 0.3% of drug addicts may have short-term blurred vision, and some people may have the illusion of seeing blue light.
3. faint. May cause a sudden drop in blood pressure, such as taking nitroglycerin and other drugs at the same time, often immediately dizzy or even faint.
4. Cover up cardiovascular diseases. Impotence may be a harbinger of heart disease, diabetes or cancer, and taking this medicine may cover up the real condition.
5, blood pressure is reduced. Viagra can lower blood pressure, and cardiac drugs such as nitroglycerin or nitrate can also lower blood pressure, so when Viagra is mixed with these drugs, blood pressure will be greatly reduced, and sometimes it may be life-threatening.
6. glaucoma. Ophthalmologists warned that taking Viagra will lead to a drop in blood pressure, but glaucoma patients have high intraocular pressure, and 3% ~ 5% of them may have acute glaucoma, which can make people blind overnight, and even if cured, they cannot restore their original vision.
7. Temporary deafness. According to FDA, Artemisiae Argyi can cause deafness, and about 1/3 is temporary deafness.
8, aggravate sleep apnea. Obstructive sleep apnea is a common disease. During sleep, the soft tissue of the larynx collapses and the airway is blocked, resulting in short-term respiratory arrest.
Viagra's taboo
1. Patients who take any form of nitrate, whether taking it regularly or intermittently, are contraindications. Patients who are allergic to any component of sildenafil (Viagra) are prohibited.
2. Nitrate drugs mainly include nitroglycerin nitroglycerin (tablets, sprays, ointments, patches and injections), Tiebaoning, Yongbaoling, isosorbide dinitrate isosorbide dinitrate, long-acting isosorbide dinitrate, isosorbide dinitrate aerosol/injection, isosorbide dinitrate angelen sustained-release tablets, Yishunmai (capsules/sprays) and isosorbide dinitrate Anxinmai. Chen Gong Zaijia, Isosorbide Mononitrate, Deming Livzon Xinle, Di, Isosorbide Mononitrate, Indomethacin, Ilodine Long-acting, Yixinbao, Demennin, Glycerol Trinitrate Treatment Tongmai Sustained-release Capsule (Long-acting Treatment Tongmai), Nietzsche Patch, Pentaerythritol Long-acting Nitroglycerin, Pentaerythritol Tetranitrate, Nitroethanolamine Tablets, Tetraol Nitrate Tablets.