Meaning of Side Effect (What it is, Concept and Definition)

Side effect it is the consequence that the ingestion of a certain drug can cause to the individual's body, that is, a effect that parallels that of the absorbed drug substance.

Drugs that have side effects are intended for the treatment of a specific set of pathologies, however, due to the activity and contact of substances in these remedies, the body can manifest itself in different ways unwanted items.

Among the most common side effects of most medications are:

  • dizziness
  • headaches
  • somnolence
  • vomit
  • loss of hair
  • skin cracks
  • skin rashes
  • temporary amnesia

Normally, when the drug has side effects, these should be detailed in the drug package insert.

Side effect and adverse effect

A side effect is any type of different response of the body to substances contained in the drug, which are parallel to those desired or expected by the drug.

The so-called adverse effect is any response to the drug that is unwanted or harmful to the patient.

The main difference between the side effect it's the adverse effect

(also known as ADR - Adverse Drug Reaction) is that in the latter case, the consequences are always considered harmful, while a side effect, depending on the situation, can be beneficial.

Example: Someone who takes an anti-allergy and is not sleepy. One of the main side effects of antihistamines is drowsiness, which in this case can be a beneficial consequence for someone who has difficulty sleeping.

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