It acts after sexual stimulation by relaxing the blood vessels and allowing more blood flow into the penis. Heart conditions: If you have or have had heart disease or a heart attack or stroke, you should speak to your doctor before taking any medication for erectile dysfunction. Viagra sildenafil citrate is indicated for the treatment of erectile dysfunction in male adults. Kidney Disease or reduced kidney function may cause Viagra Sildenafil to build up in the body, causing side effects. That’s not to say there aren’t just as many illegitimate sites. For further information and aid, you can contact our Customer Service at or email us at customerservice canadawidepharmacy.When you buy from an unknown company, you run the risk of getting counterfeit medicines. By some estimates, more than half of all ED drugs sold online are fakes. Some of these drugs include. There’s only one way to get brand name VIAGRA — by asking for it by name when filling your prescription at the pharmacy. VIAGRA, still here. And virtually the same price as generics. The medication Viagra is manufactured by Pfizer Canada Inc and it comes in 25 mg, 50 mg and mg dosage forms in a blister pack of 4 tablets. We are supplying brand Viagra in quantities of 8 tablets, which will be 2 blisters pack of 4 pills. The generic form of Viagra (Sildenafil) is available in dosage forms of 25 mg, 50 mg and mg.