Please note: If you have any heart or kidney diseases then you can not take TADALAFIL or SILDENAFIL. You should be healthy without any disease and with normal blood pressure. If you have any other medical problem then consult respective doctor, before starting medicine. You should not take alcohol with medicines and also avoid driving at night. Stop smoking if you smoke, or any other addiction. Don't take any nutritional supplements. Take only natural foods. Don't take any other sex related medicine. This prescription does not replace a consultation and physical examination in person. Since you are not examined physically, in case of an emergency you should immediately attend a hospital. Each medicine can have side effect in particular persons, if any side effects or adverse reactions occur then immediately stop the medicines and attend to nearby medical emergency facility. It is online prescription and you are not examined physically so no legal proceedings will be entertained, even then all the legal proceedings will be limited to the courts in Kolkata, West Bengal, India. This prescription is made in the best interest of the user and is the result of over 35 years of experience of the doctor.