Many men find that at some point they can't get or stay hard. This means they either: Can't get an erection when they want to (can't get hard); OR; Can't keep. It's up to you to decide if not getting hard-enough erections is something Why can't I get and keep an erection? sure the meds I requested were right for me and the follow up email from. There are a lot of reasons you can get ED, from high Some medications may make getting an erection difficult.