acetaminophen
max daily dose: 4000 mg. Preferred agent for viral infections in children.
ibuprofen
max daily dose 3200mg (1200 OTC)
naproxen
max daily dose: 1000 (OTC 600) mg
aspirin
max daily dose: 6000 (4000 OTC)
guaifenesin
expectorant- incredient in many OTC cold meds
pseudophedrine
alpha-1 agonist- decongestant