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.
Diphenhydramine is also used to relieve cough caused by minor throat or airway irritation. Diphenhydramine is also used to prevent and treat motion sickness, and to treat insomnia (difficulty falling asleep or staying asleep).