contraindication

Thân thiện

A doctor reviews a patient's chart for any contraindication before prescribing a new medication.

Definition

1. Noun:
   • (Medicine) A reason not to use a specific treatment: A contraindication is a specific condition or factor that serves as a reason to withhold a certain medical treatment, drug, or procedure because it may be harmful to the patient.

Usage

• A contraindication is a formal medical term used to identify situations where a particular course of action is not advised due to potential risks.
• It is often discussed in the context of drug prescriptions, vaccinations, or surgical procedures.
• Common structures: "X is a contraindication for Y" or "Y is contraindicated in patients with X."

Examples

• Noun:
  • Severe liver disease is a contraindication for this medication.
  • The doctor checked for any contraindications before administering the vaccine.
  • A known allergy to penicillin is an absolute contraindication to its use.

Advanced Usage

• "Absolute contraindication": A situation where a treatment must never be used because the risks overwhelmingly outweigh any possible benefits.
  • Pregnancy is an absolute contraindication for that chemotherapy drug.
• "Relative contraindication": A situation where a treatment may be used with caution if the potential benefits are judged to outweigh the risks.
  • Advanced age is often considered a relative contraindication for major surgery.

Variants and Related Words

• Contraindicate (verb): To serve as a reason against giving a particular treatment.
  • Her current illness may contraindicate the use of anesthesia.
• Contraindicated (adjective): Describing a treatment that is not advised.
  • That drug is contraindicated in patients with kidney failure.

Synonyms

• Proscription: A formal forbidding or prohibition (more general, not exclusively medical).
• Prohibition: The act of forbidding something.

Antonyms

• Indication: A reason to use a particular treatment or procedure.

Học thuật

Noun

1. (medicine) a reason that makes it inadvisable to prescribe a particular drug or employ a particular procedure or treatment