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.
During this period your rib's membrane, called the periosteum, will heal, helping to reduce the often agonising discomfort you experience. Typical medications to take would be paracetamol, or acetaminophen. NSAIDS (Nonsteroidal anti-inflammatory drugs), can help. Ibuprofen, Aspirin, diclofenac, etc.