Danger signal: When Your Penis Plays the ‘Stand-Up’ Routine Too Long
One of the most notable characteristics of the penis is its ability to be flexible and rigid, soft and hard. However, sometimes it can become hard and stay that way for hours on end. If it remains erect for more than four hours, it's usually referred to as priapism (a similar condition can also occur with the clitoris). But don't mistake this for a convenient or manly situation. Priapism often comes with pain, swelling, and a bluish-purple hue, and it can cause difficulty in urination. If left untreated, it can even lead to erectile dysfunction. So, what causes priapism?
