Therapeutic incompatibilities are sometimes referred to using which two interaction concepts relating to the body's action on the drug?

Answer

Pharmacokinetic or Pharmacodynamic interactions

Therapeutic incompatibility focuses on interactions occurring after administration, inside the patient's body, which alter the expected therapeutic outcome, even if the mixed solution appeared stable beforehand. These internal interactions are scientifically classified by examining how the body processes the drugs. Pharmacokinetic interactions describe what the body does to the drug, involving processes such as absorption, distribution, metabolism (like enzyme inhibition), and excretion. Pharmacodynamic interactions describe what the drug does to the body, typically concerning the drug's mechanism of action at the target site, such as receptor binding or signaling pathways. Both concepts are vital for clinical awareness when multiple medications are prescribed concurrently.

Therapeutic incompatibilities are sometimes referred to using which two interaction concepts relating to the body's action on the drug?
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