INTRAPAM-500 INJECTION is used in severe bacterial infections. It is used in infections of various body parts like skin and soft tissues, urinary tract, blood, brain and lungs (pneumonia). INTRAPAM-500 INJECTION is an antibiotic. It kills bacteria by preventing them from forming the bacterial protective covering (cell wall) which is needed for them to survive. Common side Effects of INTRAPAM-500 INJECTION Rash, Headache, Vomiting, Nausea, Itching, Diarrhea, Injection site inflammation, Anemia (low number of red blood cells), Sepsis, Constipation, Apnea (absence of breathing), Shock.