Substitution
Substitution (Medicine)
Substitution (pronounced: suhb-sti-too-shun) in the field of medicine refers to the practice of replacing one drug with another that has a similar therapeutic effect. This is often done when the original drug is not available, too expensive, or causes adverse side effects.
Etymology
The term 'substitution' originates from the Latin word 'substitutio', which means 'to put in place of another'. In the medical context, it refers to the replacement of one drug with another.
Related Terms
- Therapeutic substitution: This is a type of substitution where the substituted drug has a different chemical structure but the same therapeutic effect.
- Generic substitution: This refers to the substitution of a brand-name drug with a generic version that has the same active ingredients.
- Biosimilar substitution: This is the substitution of a biological product with a biosimilar product that has been approved by the regulatory authorities.
- Pharmacy substitution: This is the practice of substituting a prescribed drug with another drug by the pharmacist, usually under the regulations of the local health authority.
- Adverse drug reaction: This is a harmful or unpleasant reaction, resulting from the use of a drug, which may lead to the need for substitution.
- Drug interaction: This is a situation in which a substance affects the activity of a drug, referring to the effects of a drug being changed by the presence of another drug, herbal medicine, food, drink, or by some environmental chemical.
See Also
External links
- Medical encyclopedia article on Substitution
- Wikipedia's article - Substitution
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