... from topically applied sites(e.g., ointments, creams, ophthalmic, ear, and nasal preparation) Pharmacology: Principles and Practice # 2009, Elsevier, Inc. All Rights Reserved.98. The ability ... described in Tables 2.1 and 2.2, and by using Table 2.3. Tables 2.1 and 2.2 comparethe approximate relationship of surface area and weights of individuals of average body dimensions, and are based on ... amount and/ or type of food present attime of ingestion), and destruction of the drug by acidreaction in the stomach and/ or by GI enzymes.The uncertainty of drug maintenance is in thehands of...