This document discusses intravenous infusion methods and their administration. It covers injection sites like peripheral and central veins. Infusion methods include continuous drip, intermittent, and various pump-based options. Potential issues with infusion include physical incompatibilities seen with mixing, chemical incompatibilities from degradation, and therapeutic incompatibilities causing unintended outcomes. Factors like pH, temperature, dilution, and mixing order affect compatibility. Safety considerations involve physical hazards from phlebitis to infection, mechanical hazards from equipment issues, and therapeutic hazards such as overdose or toxicity.