**1. Introduction**

Analgesics are medicines that relieve pain or in other words they are drugs that are used to provide pain relief. When we browse the topic on analgesics we will also come across

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the term narcotic as first analgesics as they were narcotics, and their derivatives and analogs were chemically based on the morphine molecule [1]. Additionally, analgesics may include nonsteroidal anti‐inflammatory drugs (NSAIDs) and paracetamol (acetamin‐ ophen). Practically, the term may also include others like tricyclic antidepressants and substances such as gabapentin, although they are not commonly classified as analgesics [1]. It should be well differentiated that usually analgesics give symptomatic relief, but have no effect on the body condition, although NSAIDs are beneficial in both reducing pain and inflammation.
