<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I??e been experiencing premature ejaculation, an ache all over my body, and pain in my penis. I should also mention that I??e been using drugs and have had an allergic reaction in the past.  <response>: Based on your symptoms, it sounds like you may be experiencing priapism. This is a prolonged erection that can be painful and is often caused by sickle cell disease, drug use or an allergic reaction. 