Tadalafil 20mg is a commonly prescribed dose used for the treatment of erectile dysfunction (ED) in men. It works by increasing blood flow to the penile tissues, helping achieve and maintain a firm erection during sexual activity. Tadalafil 20mg dose is typically taken only when needed, about 30 to 60 minutes before intercourse, and its effects can last up to 36 hours, which is why it is often called the “weekend pill.” It should not be taken more than once in 24 hours. The dosage may vary depending on individual health conditions, age, and response to treatment, so it is important to follow a healthcare professional’s advice. Tadalafil 20mg should be avoided with alcohol excess and nitrate-based medications to reduce the risk of side effects such as headache, dizziness, or low blood pressure.