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.
Humans who have taken Benadryl know that one of its side effects is a sedative one. In fact, the active ingredient in Benadryl, diphenhydramine, is sometimes prescribed to both humans and cats for this effect. It also has an anti-nausea effect, which can be useful in preventing nervous cats from getting sick.