Making the world better, one answer at a time. Angel Dust is one of the street names of Phencyclidine, or PCP. It is a drug formerly used as an anesthetic agent, exhibitinghallucinogenic and neurotoxic effects.
A blow to the rib cage can cause either a fracture or bruising to the membrane that covers the bone (periosteum). Both can be very painful, and it is very often hard to distinguish the difference, even with a X-ray.
Bone cancer is another serious condition which leads to the development of rib cage pain. The condition of pneumonia can also lead to the development of rib cage pain. Whooping cough and tuberculosis are two other serious conditions that present itself with the symptom of rib cage pain.