Do not take Viagra if you: Are taking any medicine that contains nitrates in any form oral, sublingual [under the tongue], skin-patch, or by spray or inhalation. We are supplying brand Viagra in quantities of 8 tablets, which will be 2 blisters pack of 4 pills. Permanent Residence. If approved, the provider will issue a prescription. Read our editorial process. While most men tolerate Viagra well, some men may develop moderate side effects such as headaches, flushing, or nasal congestion.Canada Pharmacy is one of Canada’s leading online mail order pharmacies with many satisfied patients since We have dedicated ourselves to providing our patients with quality, safe medications at affordable prices, and more importantly, ensuring that their health and well being is our first priority. Best Low Cost: GoodRx Fastest Delivery: Blink Health: Sesame Sign Up Now Key Specs Cost: Consultation prices vary based on the prescriber; $5 generic prescriptions Medical Consultation Required: Yes Medications Prescribed: Viagra, Cialis, sildenafil, tadalafil Generic offered: Yes Why We Chose It. Depending on your symptoms and needs, you may be prescribed Viagra, sildenafil, Cialis, tadalafil, Stendra, paroxetine, or a combination of tadalafil and sildenafil, available as mints or pills. Prices range from $3 to $ per dose or $82 to $ for a monthly supply, depending on the medication.