Common INSPRA side effects include: Coughing, Diarrhea, Dizziness, Fatigue, Flu-like symptoms, Hyperkalemia (high blood potassium), Increased creatinine Inspra [package insert].New York, NY: Pfizer; 2002. Dr. Sheehy (BSc Molecular Biology, PharmD) works a clinical pharmacist specializing in cardiology, oncology, and ambulatory care. He’s a board-certified pharmacotherapy specialist (BCPS), and his experience working one-on-one with patients to fine tune their medication and therapy plans for optimal results makes him a valuable subject matter expert for our pharmacy.Read More....