Which men cannot take Viagra

　　Viagra is the savior of many men, but Viagra is not something you can take if you want. Some people take Viagra but lose their sexual ability!

　　Many men want to make sex last longer and have harder erections. Dream think. Today, among the many methods to improve erection, oral medications are undoubtedly the most convenient and easy to use. Currently, the common "Viagra" drugs on the Chinese market include: Viagra, Levitra, and Cialis. There is no essential difference in the chemical composition of these drugs. After taking the drugs, they can promote blood flow into the body and enhance erection hardness under the action of sexual stimulation. It is sold in most pharmacies and is easy to buy. However, there may be certain contraindications to the use of any drug. Not every man can take Viagra drugs casually.

　　clinical Before using Viagra drugs on patients, you need to know two things: First, whether he has any of the more serious diseases disease , the second is whether the user can afford the huge energy and physical expenditure required for sexual life.

　　First of all, people who have or have had the following diseases cannot take Viagra without permission. These conditions include: heart problems (angina, chest pain, heart failure, irregular heartbeat, myocardial infarction, etc.), stroke, high or low blood pressure, retinitis pigmentosa, kidney disease, liver disease, blood disorders (such as sickle cell anemia ,), allergic to chemical components in western medicine or other components in preparations, malformation, fibrosis of the corpus cavernosum, previous priapism (penile erection for more than 4 hours), or other bleeding symptoms. If these people want to use Viagra, they must ask experts to help you determine whether it can be used, how to use it, and what precautions to take when using it.

　　Secondly, it cannot be used by people who are taking certain medications. Medical science has proven that "Viagra" drugs cannot be taken at the same time as nitrate drugs such as nitroglycerin and amiotropin, otherwise it may lead to cardiovascular risks. Generally, there should be at least 24 hours between the use of the two types of drugs. It is not suitable to take "Viagra" just after taking a shower.

　　Thirdly, people with poor physical strength and poor heart capacity cannot use it. In the process of sexual life, men expend a lot of energy and physical strength, which will increase the burden on the heart to a certain extent. Therefore, before taking medicine, men with heart disease should male You should consult your doctor to see if your heart can withstand the load brought about by sex. Never ignore life safety for the sake of love.

　　Finally, normal people should not use it casually. If normal men use Viagra as an aphrodisiac, the first thing that may happen is that the penis will continue to swell for a long time. Long-term use can also lead to psychological drug dependence and may cause permanent ED. Such cases are more common among older people who take Viagra on their own, but for ED patients, there is no such problem.