Description

Pills for potency Viagra Original: price, where to buy in USA

Tablets for potency Viagra Original are used to solve problems of erectile dysfunction. Usually in this case, there may be an insufficient erection or its complete absence. The drug has been popular for many years, you can buy Viagra in by placing an order in the Halkshop online pharmacy at a low price with cash on delivery delivery in USA.

Mechanism of action

Viagra was born, in fact, by accident back in the 90s of the last century. Initially, it was a drug for the treatment of cardiovascular diseases. The active substance is sildenafil citrate, which is responsible for the relaxation of vascular smooth muscle cells, thereby increasing the lumen and providing free access to blood. In the process of research, it turned out that a side effect of the drug is the appearance of a persistent erection in men.

The active substance releases nitric oxide in the smooth muscles of the cavernous body of the penis, thereby relaxing the muscles and providing full blood supply to the penis and an erection. The advantage of Viagra over other drugs of this type is that the erection will be only with sexual arousal, namely with tactile and psychological stimulation.

Contraindications to the use of Viagra:

• cardiovascular diseases,
• hypertension, as well as low blood pressure,
• cirrhosis of the liver,
• recent heart attacks, strokes,
• age up to 18 years,
• this drug should not be used by women.

The risk of Priapus syndrome when taking Viagra is minimal.

Dosage how to take Viagra

The dosage is selected individually, but it should not exceed 100 milligrams per day. It is recommended to start with 50 milligrams and look at the sensations and duration of an erection: it is possible to reduce the dose to 25 mg or increase it to 1 mg. Viagra should be taken half an hour before the expected sexual intercourse.