What is drug?

What Does drug Mean

It is interesting that we begin by discovering the etymological origin of the term drug. Thus, we can state that it is a word that derives from the Greek, specifically from "pharmakon", which can be translated as "medicine".

According to the dictionary of the Royal Spanish Academy ( RAE ), drug is synonymous with medicine : a substance that is used in the prevention, relief or cure of a disease and in the repair of its sequelae .
A drug is a synthetic or natural material that, due to its properties, can cause a functional or anatomical effect in a living being . The component that has toxic or pharmacological properties is called the active principle .

The chemical composition of the drugs is known exactly, so that they can be precisely dosed to achieve the desired effects. This allows us to know what physiological or functional changes they will produce in the body once its intake has been completed.
The health authorities of a nation only authorize the marketing and distribution of a drug when there are sufficient studies and trials about its effects in a large number of individuals. In this way, the possibility that the result will be adverse is minimized.
At present we can establish that there are two fundamental types of drugs if we consider what your purchase. Thus, on the one hand, there are those that can only be bought in pharmacies with a medical prescription, that is, the doctor must have prescribed it through the relevant document so that his patient can acquire it. These are drugs that will be used in a treatment that will have its corresponding medical control.
On the other hand, there are those that are sold freely, that is, without the need for a prescription. And it is considered that they are safe drugs and that they can be used for specific and common ailments among the population such as a simple headache, for example.
If we take into account, on the other hand, what its use is, we find a great variety of types of drugs. Among them are the following:

-Antiallergic drugs, which are responsible for ending the negative effects that an allergic reaction has had.

-Pain relievers, whose function is to relieve physical pain.

-Anti-inflammatory, which seek to reduce inflammation, as its name suggests.

-Laxatives, which are prescribed with the clear objective of ending a situation of constipation.

-Antipyretics, that what they do is lower the fever.
Beyond what is indicated by the RAE in its dictionary, in the field of pharmacy the notion of medicine is often used to refer to a product in which one or more drugs (with active principles) are combined with substances that are not active at the pharmacological level (the excipients ). Excipients help to produce, store, transport and dispense drugs, although the effects are produced exclusively by the active ingredients of the drugs.

The paracetamol is an example of drug. In this case, the drug is used to relieve pain (it is analgesic) and to fight fever (it has antipyretic properties).

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