Using the text and the Internet, such as the PDR website, classify each of the following drugs and include a generic name, if possible. Also, list the clinical usage of each and the adverse effects that could arise. Use the Classifying Drugs Template when completing this assignment. APA format is not required, but solid academic writing is expected.

Classification of Drugs: Generic Names, Clinical Usage and Adverse Effects


Classification of drugs is a crucial task in pharmacology as it provides a systematic categorization of medications based on their therapeutic actions and chemical structures. This classification facilitates the understanding of the therapeutic uses and potential adverse effects of each drug. In this assignment, we will classify a selection of drugs, including their generic names, clinical usage, and adverse effects.

Drug Classification 1: Aspirin

Generic Name: Acetylsalicylic acid

Clinical Usage: Aspirin belongs to the class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). It is primarily used for its analgesic (pain-relieving), anti-inflammatory, and antipyretic (fever-reducing) effects. Aspirin is commonly prescribed for the treatment of mild to moderate pain, such as headaches, toothaches, muscle aches, and menstrual cramps. It is also used to reduce inflammation in conditions like arthritis. Additionally, low-dose aspirin is prescribed for its antiplatelet effect in the prevention of cardiovascular events, such as heart attacks and strokes.

Adverse Effects: Despite its therapeutic benefits, aspirin may cause several adverse effects. Common adverse effects include gastrointestinal upset (such as stomach pain, indigestion, and heartburn), gastrointestinal bleeding, and a risk of gastric ulcers. Aspirin can also increase the risk of bleeding, particularly when it is taken in combination with other medications that affect blood clotting. In rare cases, aspirin may cause allergic reactions or exacerbate asthma symptoms.

Drug Classification 2: Lorazepam

Generic Name: Lorazepam

Clinical Usage: Lorazepam belongs to the class of drugs known as benzodiazepines, which are central nervous system (CNS) depressants. It is primarily used for its anxiolytic (anti-anxiety), sedative, and anticonvulsant properties. Lorazepam is commonly prescribed for the short-term treatment of anxiety disorders, such as generalized anxiety disorder and panic disorder. Additionally, it is used as a preoperative sedative and for the management of acute alcohol withdrawal symptoms.

Adverse Effects: Like other benzodiazepines, lorazepam can cause various adverse effects. Common side effects include drowsiness, dizziness, confusion, and impaired coordination. It may also cause paradoxical reactions, such as increased anxiety, agitation, and aggression. Long-term use or high doses of lorazepam can lead to physical dependence and withdrawal symptoms upon discontinuation. Overdose or misuse of lorazepam can result in respiratory depression, coma, or even death.

Drug Classification 3: Metformin

Generic Name: Metformin

Clinical Usage: Metformin belongs to the class of drugs called biguanides, which are oral antidiabetic medications. It is primarily used for the management of type 2 diabetes mellitus. Metformin works by reducing the amount of glucose produced by the liver and increasing the sensitivity of body tissues to insulin. It is often prescribed as a first-line treatment in combination with lifestyle modifications, such as diet and exercise, to control blood sugar levels in individuals with type 2 diabetes.

Adverse Effects: Metformin is generally well-tolerated, but it may cause certain adverse effects. Common side effects include gastrointestinal upset (such as nausea, vomiting, diarrhea, and abdominal discomfort), metallic taste in the mouth, and decreased appetite. In rare cases, metformin can cause lactic acidosis, a serious condition characterized by the buildup of lactic acid in the blood. This is more likely to occur in individuals with kidney or liver impairment, as well as in those who consume excessive amounts of alcohol.


In summary, the classification of drugs provides valuable information about their generic names, clinical usage, and potential adverse effects. Aspirin, classified as a nonsteroidal anti-inflammatory drug, is used for its analgesic, anti-inflammatory, and antipyretic effects. Lorazepam, a benzodiazepine, is prescribed as an anxiolytic, sedative, and anticonvulsant. Metformin, a biguanide, is commonly used for the management of type 2 diabetes mellitus. It is important to understand the classification and associated adverse effects of drugs to ensure safe and effective medication use.

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