Though Viagra is recognized worldwide as a highly effective ED drug, sometimes it doesn’t work. Yes, it happens, though quite rarely. According to researchers’ estimations, it helps to approximately 8 men out of 10. One case is usually complete impotence, which is incurable, or a physical defect of genitals. And one case out of ten is when Viagra doesn’t work. What do men usually undertake in such situations? Many of them just try to increase Viagra dosage. However, this approach is not correct, moreover, it can cause certain harm, especially if you have heart problems. Here are things one should remember of the dosage of Viagra:

• The maximum existing dose of sildenafil offered by the manufacturer is 100 mg. This dosage was calculated as a result of numerous researches and clinical trials by specialists of the company. As for Viagra dosage over 100mg, it can be dangerous for health, while its effectiveness is very questionable. 100 mg of sildenafil is a rather strong dosage, which works even in complicated cases, and it’s no need to increase it.
• The specific Viagra dosage is prescribed by a specialist, who takes into account a lot of variables including age of the patient, his body weight, general state of health, coexisting diseases and others. If you are not a specialist, self-medication can be dangerous.

What to do if Viagra doesn’t work for me?

If you have taken Viagra for the first time in your life and didn’t receive the required effect, try it again. Beware that it can work not immediately. Sometimes you need time to see the effect. Maybe you’ll have to take it three or four times before you feel the result. The only exception is severe side effects. If you experienced strong adverse effects at least once, stop taking Viagra and tell about it to your doctor. Sometimes Viagra doesn’t work at all. If it is your case, apply to your doctor. He will prescribe you another drug.

Why can be Viagra dosage over 100mg dangerous?

As you probably know, sildenafil was initially developed as a heart drug. Its mechanism of action includes inhibiting of enzymes preventing blood vessels relaxing. In other words, it has a noticeable effect on the cardiovascular system, in particular, on blood circulation and pressure. As far as erectile dysfunction is often associated with various cardiac problems, overdosing can cause severe undesirable effects including a critical drop of blood pressure. Of course, it doesn’t mean that Viagra dosage over 100mg always causes negative effects in all men. But you should be very cautious with it. Irrespective of the situation, you are not recommended to change the prescribed dose of sildenafil. Just be aware that doing so you are risking your health without reason, because increasing the dosage in the majority of cases doesn’t increase the effectiveness.

 

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