Extra Super Vidalista is typically taken orally with water, as prescribed by a healthcare provider, usually about 1-3 hours before anticipated sexual activity. Common side effects may include headache, dizziness, nausea, flushing, indigestion, and nasal congestion. Serious side effects such as priapism (prolonged erection), sudden vision or hearing loss, or allergic reactions are rare but require immediate medical attention if experienced.