What are the differences between Sinfidel and Viagra in terms of effectiveness and side effects?

Sinfidel and Viagra are both medications used to treat erectile dysfunction, but they have different active ingredients. Viagra contains sildenafil, while Sinfidel contains avanafil. In terms of effectiveness, both medications are generally effective in treating erectile dysfunction, but individual responses may vary. As for side effects, common side effects of Viagra include headache, flushing, and indigestion, while common side effects of Sinfidel include headache, flushing, and nasal congestion. It is important to consult with a healthcare provider to determine which medication may be more suitable for you based on your individual health needs.