Approved for medical use in 2015, Avibactam-Ceftazidime combination antibiotic medicine is typically given by injection into a vein. Plus, it is used to treat “complicated intra abdominal infections, urinary tract infections, and pneumonia” in adults and children (provided they’re not less than 3 months old). In order to ensure that this medication is safe for you, tell your doctor beforehand if you’ve ever had kidney disease, or a stomach/intestinal disorder, or if you are allergic to any penicillin antibiotic. You should also tell them if you are pregnant or breastfeeding to get their medical advice on whether or not you should use the medicine in question. As for the common side effects of Avibactam-Ceftazidime combination medicine, they include nausea, vomiting, and diarrhea. This medicine can also cause serious side effects such as confusion, hallucinations, convulsions, and severe abdominal pain. Of course, seeking medical care is highly recommended if you experience any of these serious side effects.