Paraphimosis is an emergency in which the foreskin gets stuck behind the glans. This only occurs to men who are uncircumcised.
·        Guys with a tight foreskin are at risk, when they retract the foreskin but cannot return it to its normal position. The foreskin forms a tight, constricting band of tissue. This impairs the blood flow, which results in a painful swelling of the glans and the foreskin.
·        It may happen if you pull the foreskin back during sex or cleaning, but also if you fall asleep with your foreskin retracted or after a physical exam in which the nurse or doctor forgets to return the foreskin to its original position.
·        If it ever happens to you, seek help immediately. Don’t wait till urination becomes difficult. Prompt attention and treatment is absolutely necessary. If you don't seek help penile gangrene and auto amputation (the penis falling off) may follow in days or weeks.
·        The GP will administer a local anaesthesia and massage the foreskin, reducing the swelling. If this is not enough to return the foreskin to its normal position, the doctor will make a small cut (dorsal slit) in the foreskin. If you want a formal circumcision this can be performed in an operating room at a later date.

How to bring your foreskin back yourself?

See also: phimosis and tight foreskin