Tadarise 10 mg (tadalafil) can generally be taken by some people who smoke, but smoking can affect both the safety and effectiveness of the medicine. Smoking damages blood vessels and reduces nitric oxide activity, which can contribute to erectile difficulties. This may make tadalafil seem less effective over time. Tadalafil can lower blood pressure slightly, and smoking (especially heavy smoking) can increase cardiovascular strain. The combination is not automatically dangerous for everyone, but people with heart disease or Tadarise 10 mg problems need extra caution. Avoid using tadalafil with nitrate medicines (such as nitroglycerin for chest pain), regardless of smoking status, because it can cause a dangerous blood-pressure drop. You should be especially careful and seek medical advice before using tadalafil if you: Have chest pain, heart disease, recent heart attack, or stroke Have uncontrolled high or low blood pressure Take blood pressure medicines or alpha-blockers Smoke heavily and have symptoms like shortness of breath or chest discomfort If you tell me your age, how much you smoke (e.g., cigarettes/day), and whether you have any heart or blood pressure issues, I can give more tailored safety information.