Definition

Noun: The branch of pharmacology or medicine concerned with the determination of appropriate doses of drugs and medicines. It involves the study of dosage, including the quantities, frequency, and conditions under which a medicinal substance should be administered.

Usage

Posology is a technical term used primarily in medical, pharmaceutical, and pharmacological contexts. It refers to the science and principles behind calculating safe and effective drug dosages for patients, which can vary based on factors like age, weight, and health condition.

Examples

• The doctor's expertise in posology was crucial in prescribing the correct antibiotic dosage for the pediatric patient.
• A fundamental understanding of posology is essential for clinical pharmacists when reviewing medication orders.
• The course module on posology covered how to adjust doses for patients with renal impairment.

Advanced Usage

• Posological considerations: Refers to the various factors (e.g., pharmacokinetics, patient specifics) that must be taken into account when determining a dose.
  • The treatment plan failed due to a lack of proper posological considerations for the elderly population.

Variants and Related Words

• Posological (adjective): Pertaining to posology.
  • The posological data was clearly presented in the drug monograph.
• Dosage (noun): The size, frequency, and number of doses of a medicine to be administered. This is a core concept within posology.
• Pharmacology (noun): The broader science of drugs, which encompasses posology.

Synonyms

• Dosage determination
• Dose calculation
• Dosing (in a technical/medical sense)

Notes

While closely related, posology is the science or study of dosage, whereas dosage typically refers to the specific dose or regimen itself. There are no common idioms or phrasal verbs associated with this specialized academic term.

Noun

1. the pharmacological determination of appropriate doses of drugs and medicines