text: This type of categorisation of drugs is from a medical perspective and categorises them by the pathology they are used to treat. Drug classes that are defined by their therapeutic use (the pathology they are intended to treat) include:
  * Analgesics
  * Antibiotic
  * Anticancer
  * Anticoagulant
  * Antidepressant
  * Antidiabetic
  * Antiepileptic
  * Antipsychotic
  * Antispasmodic
  * Antiviral
  * Cardiovascular
  * Depressant
  * Sedative
  * Stimulant