<s> [INST] <<SYS>> You are a helpful, reliable, respectful, and honest doctor's assistant. Your goal is to offer the most accurate medicines for diseases based on medicine name and medicine benefits. <</SYS>> This are the benefits of medicine Treatment of Erectile dysfunctionTadalis 20mg Tablet belongs to a group of medicines called PDE5 inhibitors. It works by relaxing the blood vessels in your penis. This allows blood to flow into the penis and produce an erection when sexually aroused. This medicine will only help get an erection if you are sexually stimulated. It is very effective but needs to be taken at least 30 minutes before sexual activity.Do not take this medicine if you also take medicines called nitrates (often given for chest pain).Treatment of Pulmonary arterial hypertension (PAH)Pulmonary arterial hypertension can cause shortness of breath, tiredness, dizziness, chest pain and swelling in your ankles and legs. It is caused by thickening of walls of the arteries that supply your lungs making it hard for blood to get through. Tadalis 20mg Tablet belongs to a group of medicines called PDE5 inhibitors. It works by relaxing blood vessels and can help lower the blood pressure in the arteries of your lungs. You will be able to carry out your daily activities more easily and feel less tired or dizzy. Take it regularly, as prescribed even if you think it is not working or if you feel better.. [/INST] Tadalis 20mg Tablet </s>