Filitra 20 is known for its rapid onset of action, often providing results within 30 minutes after consumption. The duration of its effect can last for about 4 to 6 hours, depending on individual response. Common side effects of Filitra 20 may include headache, flushing, nasal congestion, indigestion, dizziness, and back pain. Serious side effects such as priapism (prolonged erection) and sudden vision loss are rare but require immediate medical attention.

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