What is required before substituting a solid medication for a liquid?

Substituting a solid medication for a liquid requires a doctor's order because it ensures that such a change is medically appropriate for the patient's condition and treatment plan. The physician has the clinical expertise to evaluate the patient's needs, including the specific medication form that will be most effective and safe. This verification process is crucial, as different forms of medication can have differing dosage strengths, absorption rates, and effects on the patient.

While other professionals, such as nurses and pharmacists, play important roles in the medication administration process and can provide valuable insights, it ultimately falls to the physician to authorize any changes to the medication form, ensuring adherence to medical protocols and guidelines for patient safety. Consent from the patient is essential for treatment, but it does not specifically address the clinical decision-making required for medication formulation changes.