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Viagra®

Brand Viagra
Brand(s):Viagra

Manufacturer:Pfizer

Viagra by Pfizer is the original Viagra drug that restores normal response to sexual stimulation. Brand Viagra is a drug known as sildenafil citrate designed for oral use. The drug is available as blue tablets in doses of 25mg, 50mg and 100mg in blisters. Viagra is the first and the world's most popular remedy for erectile dysfunction, which operates for 4 hours, 1 hour after admission, and that is proved to be effective in various degrees of erectile dysfunction in millions of men.

Package Per pill Price Order
100mg × 8 pills $7.89 $63.10
100mg × 12 pills $7.51 $90.17
100mg × 20 pills $7.14 $142.79
100mg × 32 pills $6.95 $222.46
100mg × 60 pills $6.76 $405.87

Viagra® (Sildenafil Citrate tablet)

ED drugs act in various ways, but they solve the same problem and are used to help the strengths of male reproductive forces and to increase blood flow in genitals. Viagra was the first drug developed for the treatment of erectile dysfunction. Company engaged in the development of Pfizer (USA) in 1992.

Pfizer is known as a leader pharmaceutical company, founded in 1849 in Brooklyn, the company developing new drugs for the treatment of cancer, cardiovascular disease and diabetes. It operates more than in 150 countries over the world.

Today, the original Viagra is the most popular mean to overcome impotence. In its formula is used active ingredient sildenafil, which has given the international drug name. Scientists attributed Sildenafil 100mg to a selective inhibitor of phosphodiesterase. Once in the body, it relaxes smooth muscles substance of penis. At the same time provides a strong flow of blood to the penis. As a result (if any sexual contact) a men gets an erection. Without natural excitation sildenafil does not cause an erection. Admission of Viagra does not negate the sensory perception.

Viagra was first created solution for men to overcome difficulties with impotence, which can appear in any man because of various reasons. On the development of impotence can affect psychological stress, traumas, environmental conditions, etc. Viagra helps to cope with erectile dysfunction of any degree of severity.

The drug is available as blue tablets in dosage of 25mg, 50mg, and 100mg in blisters. The usual dose of 100mg is taken in orally about 1 hour before sex activity one time a day, but not more often that it is directed.

Viagra tablets are contraindicated if you:

  • are already taking any other drugs called nitrates or other ED medicines
  • are allergic or have abnormal reaction to sildenafil
  • are not 18 years old
  • are woman
  • have heart diseases, have had a stroke, have bleeding problems, liver or kidney diseases, leukemia or anemia, or other medical conditions

Viagra can cause such side effects:

  • headache or flushing
  • nausea
  • stomach upset
  • rash
  • problems with vision
  • back or muscle pain
  • dizziness

There are still at least 2 popular drugs to treat erectile dysfunction in men, which may be called analogues of Viagra: Levitra 20mg and Cialis 20mg.


Brief description of Viagra

Active ingredient Dosage day (pills) Operating time (h) Onset of action (min) Allow simultaneous reception Not allow simultaneous reception Contraindications Side effects
Sildenafil 1 4 30-60 alcohol, fatty food, nitrates, HIV protease inhibitors, alpha-blockers, similar medicines or treatments for ED heart diseases, stroke, bleeding problems, liver or kidney diseases, leukemia or anemia, or other medical conditions headache or flushing, nausea, stomach upset, rash, problems with vision,dizziness