Drug Administration Routes in Pharmacology
Explore the various routes of drug administration in pharmacology and toxicology, discussing factors influencing the selection of administration routes such as drug characteristics and patient conditions. Learn about the different paths through which drugs and substances enter the body, with considerations for absorption rates, patient preferences, and more.
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Presentation Transcript
Routes of Drug Administration Subject: Pharmacology & Toxicology Dr. Ajay Kumar Gupta University Institute of Pharmacy, C.S.J.M. University, Kanpur (U.P.) India
Routes of Drug Administration A route of administration in pharmacology and toxicology is the path by which a drug, fluid, poison, or any other substance is getting entered in the body. Most of the drugs can be administered by different routes. Drug and Patient related factors determine the selection of routes for drug administration - Characteristics of the drug (solid/ liquid/gas; solubility, stability, pH, irritancy). Site for drug action localized and approachable or generalized and not approachable. Rate of absorption of the drug from different routes. Effect of gastric pH, digestive enzymes and first-pass metabolism. Condition of the patient (unconscious, vomiting). Doctor s /patient s choice (sometimes).
