VIAGRA (sildenafil citrate). Best price for generic viagra

Drug Information: Indications, Side Effects, Warnings

Category:  Erectile dysfunction

Clinical-pharmacological group:

What is Viagra? It is medication for the treatment of erectile dysfunction. PDE5 inhibitor.

The main ingredient: Sildenafil (in the form of citrate). It is scientific name for viagra.cheap Viagra 50 mg (brand)

Sildenafil (in form of citrate) — 25 mg

Natural Viagra. Composition, structure and packing:

Tablets. The coated blue. Rhomboid. Slightly biconcave. Have rounded edges. Are engraved «Pfizer» on one side and «VGR 25″ — on the other.

Other ingredients: microcrystalline cellulose — 78,291 mg of calcium hydrogen phosphate — 26,097 mg croscarmellose sodium — 7.5 mg of magnesium stearate — 3 mg.

The composition of the coating film *: Opadry Blue OY-LS-20921 (hypromellose, lactose, triacetin, titanium dioxide (E171), aluminum-based lacquer indigo carmine (E132)) — 3.75 mg Opadry clear YS-2-19114-A (Valium, triacetin) — 1.125 mg.

Sildenafil (in form of citrate) — 50 mg

Composition, structure and packing:

Natural Viagra. The coated blue. Rhomboid. Slightly biconcave. Have rounded edges. Are engraved «Pfizer » on one side and «VGR 50″ — on the other.

Other ingredients: microcrystalline cellulose — 156,581 mg, calcium hydrogen phosphate — 52,194 mg croscarmellose sodium — 15 mg, magnesium stearate — 6 mg.

The composition of the coating film *: Opadry Blue OY-LS-20921 (hypromellose, lactose, triacetin, titanium dioxide (E171), aluminum-based lacquer indigo carmine (E132)) — 7.5 mg and Opadry clear YS-2-19114-A (Valium, triacetin) — 2.25 mg.

Sildenafil (in form of citrate) - Viagra 100 mg

Composition, structure and packing Natural Viagra:

The coated blue. Rhomboid. Slightly biconcave. Have rounded edges. Are engraved «Pfizer» on one side and «VGR 100″ — on the other.

Other ingredients: microcrystalline cellulose — 313,162 mg, calcium hydrogen phosphate — 104,388 mg croscarmellose sodium — 30 mg, magnesium stearate — 12 mg.

The composition of the coating film *: Opadry Blue OY-LS-20921 (hypromellose, lactose, triacetin, titanium dioxide (E171), aluminum-based lacquer indigo carmine (E132)) — 15 mg and Opadry clear YS-2-19114-A (Valium, triacetin) — 4.5 mg.

By coating may be added to 30 ug / g of vanillin and / or biotin; the weight of one or both components of the tablet coating may be increased to: 0.75 mg; 1.5 mg; 3 mg for dosages: 25 mg, 50 mg and 100 mg, respectively.

Pharmacological action:

Sildenafil is a potent selective inhibitor of cGMP-specific phosphodiesterase type 5 (PDE5). During sexual stimulation occurs release of nitric oxide (NO) in the cavernous body. This increases the level of cGMP. There comes a relaxation of smooth muscle of the corpus cavernosum. Blood flow to the penis increases. Sexual stimulation is a prerequisite for the effectiveness of Viagra.

 

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Clinical data:

Cardiac:

If the patient has taking sildenafil at dosages up to 100 mg, the significant changes in the ECG in healthy volunteers don’t revealed. The maximum decrease in systolic blood pressure (supine after taking sildenafil 100 mg) was 8.3 mm Hg. The maximum decrease in diastolic blood pressure — 5.3 mm Hg (under the same conditions). A more pronounced effect of the drug on blood pressure has patients, taking nitrates.

 

Studies of visual impairment:

Some patients after 1 hours after taking of sildenafil 100 mg had an impaired ability to distinguish shades of color (blue / green). These deviations are absent at 2 hours after taking of Viagra.

 

Studies have confirmed that Viagra helps to achieve and maintain an erection that is sufficient for satisfactory sexual intercourse.
These results were sent on mission demonstrated in all of the study. The result has been confirmed in studies of long-term (more than one year).

 

Among patients reported improved erections in the treatment of Viagra, were:
59% of patients with diabetes, 43% of patients undergoing radical prostatectomy and 83% of patients with spinal cord injuries (compared with 16%, 15% and 12% in the placebo group, respectively).

 

59% of patients with diabetes, 43% of patients who underwent radical prostatectomy and 83% of patients with spinal cord injuries reported about improved erections.

 

How does Viagra work?

 

Pharmacokinetics:

The pharmacokinetics of sildenafil is linear.

Absorption:

After intake, sildenafil is rapidly absorbed.

The rate of absorption of the drug is reduced by a fatty meal.

 

Metabolism:

Sildenafil is metabolized in the liver

 

Deducing from an organism:
Sildenafil is excreted as metabolites, mainly in the feces (about 80% of the dose) and urine (about 13% of the dose).

 

Age has no clinically significant effect on the incidence of side effects.

Viagra dosage:

The drug is taken orally.

For most patients, the recommended dose is 50 mg for about 1 hour prior to sexual activity. The dose may be increased to 100 mg or decreased to 25 mg.

The maximum recommended dose is 100 mg. The maximum recommended multiplicity of application — 1 times / day.

Elderly patients do not require dose adjustment.

In renal insufficiency, mild to moderate severity:

-Correction dose is not required

In renal failure, severe:

— Sildenafil dose should be reduced to 25 mg.

In patients with liver damage (e.g., in cirrhosis):

— The dose should be reduced to 25 mg.

Overdose:

In single dose of the drug at a dose of 800 mg:

— Standard side effects

Treatment: symptomatic therapy.

 

Pregnancy and lactation:

The registered Indications: The preparation is not intended for use in women.

 

Viagra side effects:

 

Nervous system: headache

Cardiovascular system: vasodilation (flushing)

Often (When testing samples of Viagra):

Nervous system: dizziness

Authority of changes:

In vision (blurred vision, sensitivity to light change): hromatopsiya (mild and transient, mostly change the perception of color shades)

Side effects of Viagra in Cardiovascular system: palpitations

Respiratory system: rhinitis (nasal congestion)

Digestive System: indigestion

Allergic reactions: hypersensitivity reactions (including rash).

CNS: seizures.

On the part of the cardiovascular system: tachycardia, decreased blood pressure, fainting, epistaxis.

From the digestive system: vomiting.

On the part of the organ of vision: eye pain, eye redness / injection sclera.

On the part of the reproductive system: prolonged erection and / or priapism.

Indications for use:

— The treatment of erectile dysfunction characterized by the inability to achieve or maintain an erection of the penis sufficient for satisfactory sexual intercourse.

Sildenafil is effective only during sexual stimulation.

Viagra reviews confirm the high quality of the drug in the treatment of erectile dysfunction.

Contraindications (Please note that, if you decide to take Viagra free trial):

— Application in patients receiving nitric oxide donator, organic nitrates or nitrites in any form (sildenafil enhances the hypotensive effects of nitrates);

— The simultaneous use of the drug with other drugs for the treatment of erectile dysfunction (safety and efficacy of combination therapy has not been studied);

— Childhood and adolescence to 18 years;

— Women;

— Hypersensitivity to sildenafil or any component of the drug.

Under medical supervision (Use Viagra generic):

 

 

— Use in patients with anatomical deformation of the penis (including with angulation, cavernous fibrosis or Peyronie’s disease);

— In diseases predisposing to priapism (such as sickle cell anemia, multiple myeloma, leukemia, thrombocytopenia);

— Diseases accompanied by bleeding;

— With acute gastric ulcer and duodenal ulcer;

— Hereditary retinitis pigmentosa;

— heart failure, unstable angina, migrated in the last 6 months of myocardial infarction, stroke, severe, life-threatening arrhythmias, hypertension (blood pressure more than 170/100 mm Hg) or hypotension (blood pressure less than 90/50 mmHg) .

 

Sexual activity is a risk in the presence of heart disease. Therefore, before beginning any therapy for erectile dysfunction doctor should refer the patient to the examination of the cardiovascular system.

Sexual activity is undesirable in patients:

-heart failure, unstable angina, transferred in the last 6 months of myocardial infarction or stroke

— Life-threatening arrhythmias, hypertension (BP> 170/100 mm Hg) or hypotension (blood pressure <90/50 mm Hg .st.).

Cardiovascular complications:

In the application of sildenafil for the treatment of erectile dysfunction was reported about serious cardiovascular complications, including myocardial infarction, unstable angina, sudden cardiac death, ventricular arrhythmia, hemorrhagic stroke, transient ischemic attack, hypertension and hypotension.

Hearing impairment

Some patients have reported a sudden deterioration or loss of hearing. This deviation is due to the use of all PDE5 inhibitors, including sildenafil. Most of these patients had risk factors for sudden deterioration or loss of hearing.

Visual impairment:

-Cases of anterior ischemic optic neuropathy (as a cause of deterioration or loss of vision in the application of all PDE5 inhibitors, including sildenafil.)

Bleeding:

There were cases of more frequent nosebleeds.

Only by prescription.

 

Viagra price:

 

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The most popular questions:

  1. How long does it take for viagra to work?

— The preparation starts an hour after taking of the tablet. An erection occurs after sexual stimulation.

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  2. Can I use Viagra and alcohol at the same time?

Viagra should not be taken with alcohol.

  1. Can women take Viagra?

Viagra is not indicated for the treatment of women, but in some cases women Viagra causes a stronger sexual arousal in women. Women’s Viagra is also used as a male. Female Viagra has the same contraindications as Viagra for men.

  1. Does Viagra make you last longer in bed?

Yes. Viagra works for 6 hours.

  1. How to take viagra?

The maximum daily dose is one tablet per day. Before taking this pill does not take fatty foods and alcohol.

  1. How long does Viagra take to work?

Take the pill about 1 hour before sexual activity. If you wish, you may take it between 30 minutes to 5 hours before sexual activity.

  1. Where can i buy Viagra?

— In any drugstore or online store. If you live in the US, and want to buy canadian viagra, use the Internet.

  1. Can I buy Viagra no prescription?

Yes, some online stores offer this service.

  1. Does generic viagra work?

The generic name of Viagra is sildenafil. Sildenafil causes a rush of blood to the penis, causing an erection.

  1. What isherb viagra?

Herb Viagra (herbal Viagra) is a natural analogue of Viagra. Natural Viagra is made up of herbal ingredients. The composition of the natural Viagra «Herb Viagra» (Herbal Viagra): deer antlers, deer penis, ginseng, etc. Herb Viagra works as an alternative to generic viagra.

 

  1. levitra vs viagra: which is better?

Levitra is an alternative to Viagra. Levitra is used to treat erectile dysfunction and impotence. Levitra has some contraindications. If you are unsure, choose Levitra or Viagra, consult your doctor.

  1. What best viagra alternative over the counter (otc viagra)

— sildenafil (Viagra)

— tadalafil (Cialis)

— vardenafil (Levitra and Staxyn)

 

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