If you have BPD, you may struggle with intense anger and a short temper. You may also have trouble controlling yourself once the fuse is lit—yelling, throwing things, or becoming completely consumed by rage. It’s important to note that this anger isn’t always directed outwards. You may spend a lot of time feeling angry at yourself.HelpGuide.org
Inappropriate, intense anger or problems controlling anger.NIMH
Inappropriate, intense anger, such as frequently losing your temper, being sarcastic or bitter, or having physical fights.Mayo Clinic
Inappropriate, intense or uncontrollable anger—often followed by shame and guilt.NAMI
This is one of nine traits used to diagnose borderline personality disorder. Many are common to other disorders, and you should seek professional guidance (if accessible) if you are concerned about a diagnosis.