What is Generic Viagra?
Viagra (generic name sildenafil) became popular in sexual health industry in 1998 and known as the "little blue pill." as Viagra pills are blue and diamond-shaped. The first-ever erectile dysfunction drug and its primary competitor Levitra (vardenafil) take effect in about 30 minutes and can last about four and five hours, respectively.
A pill for impotence is a dream-come-true for so many men, says "Through the millennia it has been man's dream: take a pill and get a better erection.".
In February 2007, it was announced that Boots the Chemist would trial over the counter sales of Viagra in stores in Manchester, England. Men aged between 30 and 65 would be eligible to buy four tablets after a consultation with a pharmacist.

Who should take Generic Viagra?
Clinical studies have shown Viagra, Levitra and Cialis to be similar in effectiveness — about 75 percent of men can expect to be helped, by one estimate, though the drugs often fail to help those whose impotence is caused by prostatectomy surgery to remove all or part of their prostate. Viagra absorption may be slowed by consumption of food, especially fatty food.
Before taking any of these drugs, men should tell their doctor about:
•Allergies to any drugs
•Any medical conditions they have and medications they are taking, including prescription, nonprescription and dietary supplements. One drug of particular concern is nitroglycerin or a long-acting nitrate for angina (chest pain), which can cause dangerously low blood pressure in combination with Viagra or Levitra.
•Sildenafil is metabolised by hepatic enzymes and excreted by both the liver and kidneys. If taken with a high-fat meal, there may be a delay in absorption of sildenafil and the peak effect might be reduced slightly as the plasma concentration will be lowered.

What is the right dose of Generic Viagra?
Generic Viagra should be taken one hour before when you expect to have sex.If you are sexually stimulated, Generic Viagra can help you get an erection about 30 to 60 minutes after taking it. Based on toleration and effectiveness, the dose may be increased under the advise of your physician.

What are the normal side effects of Generic Viagra?
As with all prescription drugs, proper dosage is at the discretion of a licensed medical doctor. The dose of sildenafil is 25 mg to 100 mg taken once per day between 30 minutes and 4 hours prior to sexual intercourse. Side effects aren't common but can include headache, upset stomach, flushing, nasal congestion, back pain in the case of Cialis, and blue color-distorted vision from Viagra. Call your doctor for severe or long-lasting forms of these symptoms, or if you experience rash, painful erection, prolonged erection, fainting, chest pain, or itching or burning during urination. Amongst sildenafil's serious adverse effects are priapism, severe hypotension, myocardial infarction, ventricular arrhythmias, sudden death, stroke and increased intraocular pressure.
The popular conception that Viagra-type drugs cause heart attack is not supported by the evidence. Older men suffering from impotence, though, may be susceptible to heart attack from physical activity — including sexual activity — that causes extra strain on the body.

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