<s>[INST] Hi I hope this question doesnt freak you out, of course your the professional i should be the one embarrassed. My question is do i need to seek medical attention, because when I get a erection my left testicle moves up inside me and all that is hanging is the right testicle????? [/INST] Hello,It's normal physiology. During Erection, testicles go upwards, it's normal.Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Shyam B. Kale, General & Family Physician </s>