Most men occasionally fail to get or keep an erection. This is usually caused by stress, tiredness, anxiety or drinking too much alcohol, and it's nothing to worry about. If it happens more often, it may be caused by physical or emotional problems https://erekciq.net/impotentnost. Treatments for erectile dysfunction are much better than they used to be, and the problem often goes away. There are specific treatments for some of the causes of erectile dysfunction. It's more likely to be an emotional problem if you only have erection problems some of the time.