Vidalista 40 mg should be taken approximately 30 minutes before sexual activity. It can be taken with or without food. The effects of tadalafil can last up to 36 hours, providing a prolonged window for sexual activity. Common side effects include headaches, flushing, nasal congestion, back pain, and indigestion. Less common but serious side effects can include prolonged erections (priapism), sudden vision changes, or hearing loss.
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