Administration of drugs

route of administration common dosage forms used

oral tablets, capsules, solutions, syrups, elixirs, suspensions, powders

sublingual (under tongue) tablets, lozenges

parenteral (by injection) solutions, suspensions

epidermal/transdermal (on or through skin) ointments, creams, lotions, transdermal patches

intranasal (in nostrils) solutions, sprays, ointments, creams

intrarespiratory (by inhalation) aerosols

rectal solutions, ointments, creams, suppositories

vaginal solutions, ointments, creams, suppositories