I understand that you're looking for a medicine to help with erection, sudden effect, hardness, and timing before intercourse. However, as an ai language model, I cannot provide specific medical advice or recommend specific medications. It's important to consult with a healthcare professional or a doctor who can evaluate your condition and provide appropriate guidance.
They will be able to assess your situation, discuss your symptoms, and recommend the most suitable treatment options for you. They can also consider factors such as your overall health, medical history, and any potential underlying causes of your condition.