Can I buy any other ED medications over the counter? Many people using this medication do not have serious side effects. If you notice other effects not listed above, contact your doctor or pharmacist. These factors may affect how you should use Viagra Sildenafil. We even offer same-day delivery in select locations.A prescription from your GP may allow you to get Viagra (or unbranded Sildenafil) for a lower cost than over-the-counter Viagra Connect. It’s also advisable to speak to your GP if you have other health concerns in addition to your ED: it could be that your ED is a symptom of a more serious condition. Brand name VIAGRA is the original little blue pill, first introduced in Canada in In , generic manufacturers were allowed to create their own versions, resulting in a multitude of companies offering generic versions of VIAGRA. According to Health Canada, the generic medication should contain chemically identical, medicinal ingredients and . Sildenafil – Oral Topic Contents Uses Other Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage Pronunciation: sil-DEN-a-fil Common Brand Name (s): Viagra Important: How To Use This Information This is a summary and does NOT have all possible information about this product.