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Types of Prescription Drugs

Prescription drugs can be grouped into different classification systems. A commonly used system developed in 1959 is called the AHFS (American Hospital Formulary Service) Pharmacologic-Therapeutic Classification System. Drugs are classified in a four-tier system; there are 30 primary classifications and hundreds of sub-classifications. Prescription drugs are grouped according to similar action and chemical structure.

  1. Anti-Infective Agents

    • Anti-infective agents are a commonly used type of prescription drug. Drugs in this class include antibiotics, anti-fungals and anti-virals.

    Cardiovascular Drugs

    • Cardiovascular drugs regulate heart rhythm, control blood pressure and lower cholesterol. There are nine secondary classifications in this group.

    Central Nervous System Agents

    • Many central nervous system agents require additional governmental regulation due to the potential for abuse. Opioids, barbiturates, sedatives and hypnotics fall under this classification.

    Respiratory Tract Agents

    • Respiratory tract agents are used to treat various respiratory illnesses. Antihistamines and bronchodilators are in this classification.

    Miscellaneous Therapeutic Agents

    • Prescription drugs that do not fit into any of the other 29 primary classifications are grouped as miscellaneous therapeutic agents. Sub-classes include antidotes, anti-gout preparations, anti-Parkinsonian agents and immunosuppressive agents.

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References

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