URIs
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þ Aspirin, acetaminophen (Tylenol) and ibuprofen effects on URI
 - suppresses serum neutralizing antibodies (little effect on present
   infection but may decrease immunity for subsequent infections).
 - increases nasal symptoms
 - maybe increases viral shedding
 [Graham NMH, et al.  Adverse effects of aspirin, acetaminophen, and ibuprofen
 on immune function, viral shedding, and clinical status in
 Rhinovirus-infected volunteers.  J Inf Dis 1990;162:1277-1282.]