 [ Symptoms ] my 2 yr old son has a very red and swollen penis painful to touch he peed without any complaints what can this be  he is not circumcised [ Disease ] i am not sure what this is but it sounds serious it appears that you have taken your son to the doctor already to get some answers and that they have ruled out several things talk to your doctor again as you need to get to the bottom of his health problems if you feel your doctor is not taking this seriously you could try another one ask for a recommendation from family and friends and make sure you have copies of his records and test results trust your instincts if you feel something is wrong then find someone who is willing to help