Viagra 100mg (Sildenafil) is the trade name of a drug that is used to treat erectile dysfunction. It relaxes the muscles in the walls of blood vessels, increasing blood flow in the penis.
Before using the drug, it is necessary to consult with a doctor who will select the correct dosage and regimen. The drug has a number of contraindications, which must be read before use. There may be side effects that need to be reported to the doctor.
It is not recommended to use the drug in conjunction with other prescription drugs without consulting a doctor.
The drug must be kept out of the reach of children. The drug has other application features that you need to familiarize yourself with before taking it.
* Please note that this information is not complete and may not take into account all contraindications and features of the drug. For complete information, you must refer to the official instructions for the drug or consult a doctor.
Here are some studies that might interest you:
- A study of the efficacy and safety of sildenafil in patients with erectile dysfunction in Canada. This study was conducted in 2003 and showed that sildenafil is an effective and safe drug for the treatment of erectile dysfunction in Canadian patients. The results of the study were published in the Canadian Journal of Urology.
- A multicenter, double-blind, randomized trial comparing sildenafil with placebo in patients with erectile dysfunction. The study was conducted in several Canadian medical centers in 1996-1999. It has shown that sildenafil significantly improves erection in patients with erectile dysfunction. The results of the study have been published in several medical journals, including The Journal of Urology and The Journal of Sexual Medicine.
- Review of clinical trials of sildenafil in Canada. This review was prepared by the Canadian Medicines Agency (Health Canada) in 2014. It presents the results of clinical trials of the drug conducted in Canada, and concludes that it is safe and effective.