Tadagra 20 mg works in response to sexual stimulation. Engage in foreplay or other forms of sexual stimulation to help facilitate an erection after taking the medication. The recommended starting dosage of Tadagra 20 mg is usually 10 mg, taken at least 30 minutes before anticipated sexual activity. Depending on individual response and tolerability, the dosage may be adjusted by a healthcare provider to 20 mg or reduced to 5 mg as needed. It's important to follow the dosage instructions provided by your healthcare provider and not exceed the recommended dose.