Sildenafil is a substance that gives many men a chance to have intercourse. It is an ingredient among others popular Viagra, a drug used to treat erectile dysfunction. However, blue pills will only work if a man is sexually stimulated. Find out who can use it and what the symptoms of overdose are.

Sildenafil is a substance that belongs to phosphodiesterase type 5 (PDE5) inhibitors. So it is an enzyme that appears in the cavernous bodies of the penis and the pulmonary circulation. Many people think that male erection is a simple process. However, to make it happen, you need the right amount of blood to fill your penis. If this amount is not enough, erection does not occur. In this situation, sildenafil will help, which can be found, for example, in Viagra.

How does sildenafil work?
Erectile dysfunction is an increasingly common problem and it is not just about older men. Viagra solves it in some men. Thanks to the content of sildenafil, it causes the blood vessels to relax, which makes it possible to increase blood flow to the cavernous bodies of the member. Thanks to this, it is possible to achieve and maintain an erection long enough for intercourse to occur. After taking a tablet containing sildenafil, the effects may appear within the first hour of taking. However, the only condition is that there is any sexual arousal. If the man is not excited, sildenafil will not work.

When will sildenafil not work?
Unfortunately, sildenafil in Viagra does not work in every case. It should be emphasized that the substance will help only in situations where erection problems in a man have a psychological or neurological background. Therefore, sildenafil will not be able to help people who have problems with erection due to low blood pressure or loss of cavernous bodies in the penis.

Can sildenafil be overdosed?
Sildenafil can not be taken for a long time. Over time, a man’s body can get used to the high level of substances on which the level of sildenafil affects. Viagra then stops working, and if a man wants to maintain the effects after taking it, he must constantly increase the dose. This situation, in turn, threatens to overdose, which leads to secondary impotence.

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At first, symptoms of sildenafil overdose seem favorable. The duration of erection begins to extend to about 6 hours (so-called priapism), it is usually painful and does not result from sexual arousal. This erection, however, does not disappear despite having several intercourses in a row.

Visual disturbance is another symptom of sildenafil overdose. They rely on the fact that a man sees everything in blue, and sometimes blindness appears for several hours. This symptom is due to the fact that people using Viagra block the enzyme involved in the process of transmitting nerve impulses from the eye to the brain. Statistics show that 38 cases of blindness due to taking sildenafil as Viagra have been registered in the US.

Sildenafil side effects do not always require discontinuation of Viagra. Side effects of its use include headaches, vomiting, nausea, diarrhea, etc.

How to replace sildenafil?
The original sildenafil has been on the market since 1998. Today you can get other preparations with similar effects. In addition to prescription drugs, you can also get various herbal preparations at pharmacies to help men with mild and moderate erectile dysfunction.

You can buy a lot of different products online. These are preparations in tablets, gel or powder. Unfortunately, you can find not only sildenafil in their composition. Therefore, when using such preparations, one must take into account the risk of various side effects, such as headaches, spine pains, or rashes difficult to treat.

Before use, read the leaflet, which contains indications, contraindications, data on side effects and dosage, as well as information on the use of the medicinal product, or consult a doctor or pharmacist, because any drug used improperly threatens your life or health.

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