In the field of health sciences, specifically pharmacology, it is said that a dose is that amount of an element to which a person is exposed, for a certain period, usually doses are measured in milligrams and they are calculated depending on the weight of the individual to whom it is going to be supplied, their age and the reaction to it, in order to proceed to establish the number of times that a substance must be consumed, which is usually done with accompaniment of food or drink. In general, as the doses increase in the same way, so does its effect.

With regard to drugs, these are usually shown to the public in two different ways, the first is in a single dose where the drug must be identified with its expiration date and other regulations and as its name indicates , should be consumed only once, this is generally the most used presentation in hospital centers, this is due to the ease with which they are supplied without mentioning that a mistake in the dose of said medication is less likely. For its part, the second is the presentation in various doses.

On the other hand, overdose refers to those cases in which a medication is supplied in doses higher than those indicated by the doctor, or failing that, above what the body can assimilate, which in many cases can trigger fatal consequences for the affected.

For its part, the doses can be classified into several types, for example therapeutic, which is the dose that the body requires in order to be able to correct any type of condition or discomfort, there are also the so-called useless ones, because they do not have no type of short-term result in the organism, finally there is the toxic dose, it is the one that can be harmful to the organism, which ends up causing the death of the affected person.