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Information About Viagra®

Brand Viagra


Viagra is a US patented drug and an effective medicine for sexual power enhancement and for the treatment of erectile dysfunction. It is the original drug manufactured by the pharmaceutical company Pfizer. One pill of this medicine contains 100 mg of the active ingredient - Sildenafil, which improves blood circulation in the pelvis and increases the blood flow to the penis. This drug acts quickly, smoothly and efficiently.

Table of Contents

PACKAGE PER PILL PRICE ORDER
100mg × 8 pills$8.75 $70.00
100mg × 12 pills$8.33 $100.02
100mg × 20 pills$7.92 $158.40
100mg × 32 pills$7.71 $246.77
100mg × 60 pills$7.50 $450.23

Viagra®

Almost everyone in the well-developed countries has heard at least once about Viagra. Like aspirin and penicillin, this drug is one of the most famous medicines. All those who have used this medication, will respond only positively to it. It was a great support and help in sexual life for a lot of men.



History

This medication was originally intended to deal with cardiovascular problems and ability to lower blood pressure for both sexes. It is based on the acting of Sildenafil, which was supposed to regulate the flow of blood to the heart muscle. However, after testing, Sildenafil gave a hope to thousands of men around the world suffering from erectile dysfunction.

Though angina and hypertension have not been defeated, the company Pfizer, which was engaged in the research, received a stunning and the most effective drug to increase potency in men. The fact is that all the men, who participated in the testing of a new anti-angina drug, have noticed a great improvement in their sexual lives, and, despite the omission in relation to angina, refused to return the pills.

Pfizer has invested about half of a billion dollars on the brand development of potency improvement. It was in 1992 - 1993 years when the famous Viagra was released. Originally, it was not so easy to order because it was sold only in pharmacies of major cities on special prescriptions. But then, as a result of the development of a global network, there appeared an opportunity to know about Viagra online. This increased turnover and brought Sildenafil worldwide fame.

Pharmacological action

Upon excitation of the blood flow through the arteries, it fills the penis, pinch efferent veins, creating pressure erection. The reverse process occurs when the chemicals are broken down in the body with another substance, called phosphodiesterase type 5 (PDE-5). Viagra blocks the PDE5, and due to it the substance, which is responsible for the appearance of an erection, remains, so the muscles of the penis do not constrict. This allows blood to maintain the pressure for a longer period of time, thereby maintaining an erection.

Indications

Viagra should be taken in 55-60 minutes before the intended intimacy. Drug should be swallowed without chewing, as a whole, with water in small quantities. It is contraindicated to take the drug more than once per day. Viagra causes erections only at presence of arousal (sexual). If there is no such excitement, erection does not appears and the action of the drug will be ineffective. If you want to find a medicine with more long-lasting effect, you should try Cialis 20 mg.

Effect of the drug for different men may start at different time. Typically, onset of Viagra action varies within 30 minutes - 1 hour. The effects of the drug may be denied at a later date after the eating of some fatty food.

Contraindications

This drug must be taken with care by people with diseases of the cardiovascular system, with anatomical deformation of the penis (angulation, cavernous fibrosis or Peyronie's disease), as well as by those, suffering from diseases sickle cell anemia, leukemia, multiple myeloma.

It is completely contraindicated for women use (if this is not a female Viagra), minors, people taking both nitric oxide donators or nitrates in any form, and to people with hypersensitivity to the main active ingredient of the drug, Sildenafil.

Dosage

The accepted worldwide recipe states that the recommended single dose of Sildenafil is 50 mg - a half of a tablet, the maximum same daily dose is 100 mg (total tablet), the effect is hardly manifested in the application of less than 25 mg of the medicine - a quarter of a tablet.

Start taking Viagra with the recommended 50 mg, followed by the personal status. You should not drink Viagra pills on an empty stomach and mix the drug with alcohol or fatty foods (if it is not a line of Generic Viagra Soft). It is not recommended to exceed the recommended dosage of 25 mg for people suffering from impaired renal or hepatic function.

Interactions

Active ingredients of Viagra are involved in the biological and chemical processes that are associated with the exchange of nitric oxide, which may interact with other medicines. These drugs are useful in the treatment of the cardiovascular system diseases.

You should not take Viagra with drugs such as cimetidine, itraconazole, erythromycin and ketoconazole, as well as with any vasodilators and medicines for increasing potency.

In a joint reception of Viagra with saquinavir and ritonavir, there is a 2-4-fold increase in the maximum concentration of Sildenafil in the blood. In this case, the daily dose should be reduced to 25 mg.

The combined use of Sildenafil pills and drugs with nitrates may provoke vascular hypotension, which may lead to fainting and even death, so this combination is strictly prohibited.

Side effects

In some cases, the following side effects may occur:

  • nasal congestion
  • dizziness
  • headache
  • flushing
  • dispersion
  • visual impairment (impaired perception of color blue-green, blurred vision, increased light perception)

Brief description of Viagra®

Active ingredient Sildenafil
Dosage day (pills) 1
Operating time (h) 4-6
Onset of action (min) 30-60
Allow simultaneous reception
Not allow simultaneous
reception
alcohol
fatty foods
nitrates
grapefruit juice
drugs for the cardiovascular system disease
vasodilators and medicines for increasing potency
Contraindications diseases of the cardiovascular system
hypersensitivity
sickle cell anemia
leukemia
multiple myeloma
peyronie's disease
Side effects nasal congestion, dizziness, headache, flushing, dispersion, visual impairment
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