Tadalafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis when a man is sexually stimulated, thereby facilitating erections.Tadarise 10 mg is typically taken orally, with or without food, about 30 minutes to 1 hour before sexual activity. Its effects can last for up to 36 hours, making it a popular choice for those seeking a longer duration of action compared to other ED medications.