Generic sildenafil products like Cenforce contain the same active ingredient and produce the same therapeutic effects as brand-name Viagra . When a generic version is approved by a competent regulatory authority and obtained through a licensed pharmacy,
Generic Viagra is generally well-tolerated, with most side effects being mild and temporary . Common side effects can include headache, facial flushing, stuffy or runny nose, upset stomach or indigestion, back or muscle pain, and mild vision changes such as seeing a blue tint or increased light sensitivity .