It's important to use Tadarise 20 mg under the guidance of a healthcare professional. Dosage and usage instructions should be followed as prescribed by your doctor or pharmacist. Typically, Tadarise 20 mg is taken orally with water, approximately 30 minutes to 1 hour before sexual activity. The effects of Tadarise 20 mg may last up to 36 hours after dosing. https://www.genericday.com/tadarise-20-mg.html