 [ Symptoms ] why do i now have a lack of sensitivity in my penis it is not numb but takes a longer time to achieve orgasm  i do not have difficulty getting an erection i have plenty of energy throughout the day and t tests ok i have not taken medications for 4 6 months celebrex percocet tramadol effexor i currently take 2000iu of vitamin d daily vaginal intercourse works fine but oral sensation lack of is what seems unexplainable to me  over the last 2 5 years i have had a few cortizone injections in my shoulder and knee but no major injury to my back [ Disease ] my granddaughter experience this in the worse way numerous hospital stays test er visits surgeries including removal of gall bladder but the pain would continue someone not a doctor told us to stop giving her anything that contained gluten we were so tired of nothing working that we gave it a shot every single item that she touched or ate was gluten free after 3 months the pain disappeared along with the depression tiredness and lack of sleep due to all this pain today one year later if she touches even a small amount of gluten the pain and everything else comes back gluten is in almost everything including make up seasonings lotions ketchup if you are in that much pain then get serious about gluten free it can not hurt you just perhaps make you better it takes time to get all the toxins out but you just might get well