Vilitra 10 mg usually starts working within 30–60 minutes, and its effects last for about 4–6 hours. Compared with tadalafil-based medicines such as Tadalafil, vardenafil has a shorter duration but is often considered effective for on-demand use. Common side effects include headache, flushing, nasal congestion, dizziness, indigestion, and mild back pain. These effects are usually temporary and dose-related. It should not be used with nitrate medications or certain heart drugs, as this can cause a dangerous drop in blood pressure.

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