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Viagra (sildenafil)

Disclaimer: The information about this medication is not exhaustive and is not intended as medical advice. We disclaim reliability of this information and mistakes it could contain. Please consult your doctor before using Viagra (sildenafil).

What is ……

Viagra is one of the most popular and effective ED treatment pills. It is a brand name for medicine with an active ingredient sildenafil or sildenafil citrate. The patent for Viagra held by Pfizer, Inc. expired in June 2013, allowing for various pharmaceutical manufacturers to produce licensed brands of sildenafil.

As long as doctors write prescriptions using the medical name of the active ingredient, sildenafil, and not a brand name, pharmacists are free to supply any of the available sildenafil brands (or sildenafil generic products).

Since the patent of Viagra expired, pharmaceutical companies supplying sildenafil now compete mainly on price, making generic products less expensive than the original product. Cheap ED medication is now available online. Some online suppliers offer lower prices than others. The original brand of sildenafil, Viagra, is

still available, but at the same high price as before, despite the shrinking of its market share. Pfizer has also launched a generic sildenafil product.

In our store you can buy generic sildenafil online (20, 40, 60, 80 and 100 mg) as well as branded Viagra in the form of 25, 50 and 100 mg tablets. We offer only high-quality products from out partner pharmacies and drug suppliers; all drugs are approved by the FDA.

How it works

Sildenafil inhibits or blocks the cGMP-specific phosphodiesterase type 5 (PDE5) which is responsible for degradation of cGMP in the corpus cavernosum located around the penis. Penile erection during sexual stimulation is caused by increased penile blood flow resulting from the relaxation of penile arteries and corpus cavernosum smooth muscle. This response is mediated by the release of nitric oxide (NO) from nerve terminals and endothelial cells, which stimulates the synthesis of cGMP in smooth muscle cells. Cyclic GMP causes smooth muscle relaxation and increased blood flow into the corpus cavernosum. The inhibition of phosphodiesterase type 5 (PDE5) by sildenafil enhances erectile function by increasing the amount of cGMP.

Sildenafil acts solely in relation to phosphodiesterase-5. It does not impact heart, brain and other major organs. Pharmacokinetic parameters of the drug give evidence to the high absorption. In average, it is needed about an hour to reach a peak content of sildenafil. The time for intimacy should be planned in these time frames.

Side effects

Negative reactions to sildenafil most often occur if the drug is used for the first time. Usually side effects from Viagra (sildenafil) are mild or moderate. But if they appear regularly, you should stop taking the drug and consult a doctor.

The most common side effects of sildenafil include:

  • headache,
  • flushing (redness of the face),
  • blurred vision, impaired color perception, hypersensitivity to light,
  • dizziness,
  • stuffy nose,
  • digestive disorder.

Rare side effects may include:

  • nausea,
  • pain in the eye area,
  • increased heart rate,
  • skin rash and peeling,
  • eye irritation,
  • drowsiness,
  • ringing in the ears,
  • dry mouth,
  • pain in the joints and back muscles,
  • red eyes,
  • chest pain,
  • priapism – prolonged erection for more than 4 hours. In this case you should get urgent medical help.

Very rare side effects may include:

  • heart attack,
  • stroke,
  • bleeding nose,
  • increase or decrease in blood pressure,
  • fainting,
  • weakening or loss of hearing.

Popular questions

How can I calculate dosage?

Calculation of dosage depends on many factors. The recommended dose of Viagra is 25-100 mg taken 30-60 minutes prior to sexual contact. The tablet should be taken with plenty of water.

If you do not get the expected result after taking the dose, consult with your doctor. Your doctor will determine the most effective dose for you. Do not take a dose of Viagra more than the doctor prescribed. If, in your opinion, you need to increase the dose, consult with your doctor.

How long does Viagra stay effective?

After taking the drug, the onset of erection should start in about 30 minutes, and its effect can last up to 4-5 hours. Viagra will work faster if you have not eaten before taking the pills. The combination with fatty food will worsen the absorption and delay the onset of action of the drug.

How often can I take Viagra?

Viagra can be used daily, if necessary, although it is important to remember that you should never take Viagra tablets more than recommended, even if you take the lowest dosage of the drug.

Can I use Viagra with alcohol and tobacco?

Since alcoholic drinks can hardly be considered as stimulating sexual activity, it is not recommended to use Viagra with alcohol. Taking alcohol can lead to a temporary inability to achieve an erection. To get the maximum benefit from the

medication, it is not recommended to consume large amounts of alcohol before taking Viagra (sildenafil generic).

The impact of tobacco varies from one man to another. If you are a smoker, you can only understand if the drug is working for you or not when you start taking the pills. To be safe, it is recommended not to smoke while taking the drug and follow the recommendations of your doctor.

I took Viagra once, but it did not work. Does this mean that it does not suit me?

For most men, Viagra works after the first or second dose. The best effect is observed after the third or fourth dose, so it is very important to continue the treatment. Of course, you must adhere to the recommendations of your doctor on the use of Viagra (sildenafil generic).

How effective is Viagra?

Viagra improves erection in 76% of cases.

Where can I buy Viagra?

You can buy Viagra online or in your local pharmacy. When buying online, it is recommended to check if the online store sells genuine drugs supplied by reputable vendors. Buy best ED meds at an affordable price in our online store without worrying about getting fake pills to treat your ED problem.

Absorption

After oral administration, sildenafil is rapidly absorbed. The average maximum concentration of free sildenafil in the blood plasma (Cmax) when taken on an empty stomach is reached on average within 60 minutes (from 30 minutes to 2 hours). The combination with fatty food will worsen the absorption and delay the onset of action of the drug. The Cmax decreases on average by 29%, and the time to reach the maximum concentration (Tmax) increases by 60 minutes, however the degree of absorption does not change significantly.

Contraindications

Allergic reaction to medication ingredients.

Cardiovascular diseases (breast-pang, low or high blood pressure, coronary heart disease).

Serious kidneys and liver diseases.

Heart attack or stroke in the last 6 months.

Rare hereditary eye diseases (retinitis pigmentosa).

Anatomical deformation of the penis (cavernous fibrosis).

Sickle cell anemia.

Patients under 18 years old and women.

Warning and precautions

Please note that sexual activity can be dangerous to health in the case of severe cardiovascular diseases. Therefore, if you have a heart disease that interferes with normal sexual activity, the use of Viagra and other similar top ED pills is contraindicated.

Patients with priapism (or painful prolonged erection not related to sexual arousal) should use Viagra with caution. We recommend immediately consult with a doctor if erection lasts for more than 4 hours. If no timely assistance is provided in such situation, it may result in complete impotence.

Using Viagra with grapefruit juice may increase the levels of the drug in your blood and trigger side effects. It is also preferable not to use Viagra with alcoholic drinks and tobacco. The impact of tobacco varies from one man to another. If you are a smoker, you can only understand if the drug is working for you or not when you start taking the pills. To be safe, it is recommended not to smoke while taking the drug and follow the recommendations of your doctor.

Sildenafil should not be used with other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

Since no studies on the effects on the ability to drive and use machines have been performed and since using Viagra (sildenafil) can cause vision problems, it is necessary to be aware of the individual reaction to this drug. This is especially true when starting to use Viagra or when changing its dosage.

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