Viagra is an oral drug used to restore the erectile function in men. Viagra online information is available from numerous sources, and it is highly recommended to browse through at least a few of them before you look for Viagra online for sale.

Safety Canadian Viagra online information comprises Viagra side effects, Viagra compatibility, Viagra contraindications and safe dosage.

Low doses of Viagra online have fewer side effects and if a lower dose works for you, a higher dose probably will not make much difference. The most cost effective way to buy Viagra is to buy 100mg pills and use a knife to cut the pill into four pieces of 25mg each. The maximum dose for Viagra is 100mg and exceeding the recommended dose of Viagra Canada pharmacy may increase the risk of possible side effects.

The effects of Viagra Canada start working within 1 hour of taking and lasts up to 5 hours.
Viagra should not be taken more than once a day and you have to wait at least 24 hours before taking it again. Viagra should not be combined with other ED drugs like Levitra or Cialis.

Viagra online Canadian pharmacy works even after eating a light meal. A hearty fatty meal significantly slows down the absorption of Viagra and makes it less effective.

Before you buy Viagra online from Canada you should know that Viagra does not work well after drinking even moderate amounts of alcohol. Heavy drinking is a proven cause of erectile dysfunction and greatly increases the risk of suffering side effects. Avoid drinking alcohol while you are planning to take Viagra.

The most common side effects of Viagra online reporters point out headache, facial flushing, stuffy or runny nose and sore stomach. These side effects usually disappear within a few hours. If you have other serious side effects, you should contact your doctor or seek medical attention. All symptoms, except for headache, greatly reduce with a lower dose. Try to take as little as you can and Viagra over several months of use, the frequency and intensity of side effects may decrease as your body adjusts to the medication.

Serious side effects directly caused by Viagra in Canada are rare and usually occur only if a pre-existing medical condition is causing an adverse reaction. In this case, contact your doctor or seek medical attention.
Serious side effects from Viagra may include changes in vision such as blurring or sudden flashes of light, ringing in the ears or sudden loss, chest pain, pain spreading to the arm or shoulder, nausea, sweating, irregular heartbeat, swelling of your ankles or feet, shortness of breath, feeling light-headed or fainting and a painful erection that lasts for more than five hours.

The best way to reduce the side effects of Viagra is to take a lower dose. The lower dose of  Canadian pharmacy Viagra you take, the less likely that you will experience side effects. Keeping your body hydrated with plenty of water can help prevent muscle cramps and headaches. The side effects with Viagra should be mild and should go away in a few hours. If side effects are severe or last for a longer time, you should contact a doctor immediately.