The infectious agents associated with neonatal sepsis have changed since the mid-20th century. During the 1950s, S aureus and E coli were the most common bacterial pathogens among neonates in the United States.
Common diphenhydramine side effects may include: 1  dizziness, drowsiness, loss of coordination; 2  dry mouth, nose, or throat; 3  constipation, upset stomach;  dry eyes, blurred vision; 1  or. day-time drowsiness or hangover feeling after night-time  use.
Stop using diphenhydramine and call your doctor at once if you have: 1  pounding heartbeats or fluttering in your chest; 2  painful or difficult urination; 3  little or no urinating; 4  confusion, feeling like you might pass out; or. 5  tightness in your neck or jaw, uncontrollable movements of your tongue.