 [ Symptoms ] i can not maintain an erection at the time me and my partner are about to have sex what could be the problem  i am still able to orgasm  i just can not maintain an erection without continued stimulation as soon as we are about to have sex i lose my erection [ Disease ] i am sorry to hear you are going through this i hope it helps you to know that this is not an uncommon problem the situation you are describing falls under the broad umbrella term  erectile dysfunction  many things can cause erectile dysfunction from lack of sleep to medications to poor blood flow to the penis it is not uncommon for erectile dysfunction to occur in men as they age i suggest you see a health care provider about this please do not be embarrassed to consult a professional as i said erectile dysfunction is very common and your health care provider will be able to figure out if some underlying condition is contributing to the problem or not also your health care provider may be able to prescribe pills to help you keep and maintain an erection wishing you all the best