contraindication

IPA/ˌkɒntrəˌɪndɪˈkeɪʃn/
IPA/ˌkɑːntrəˌɪndɪˈkeɪʃn/

contraindication — noun

  • contraindicationsingular
  • contraindicationsplural

1. A medical fact about a patient — such as a condition they already have, a medici

1.名詞C1
釋義

A medical fact about a patient — such as a condition they already have, a medicine they are already taking, or a past bad reaction — that means a certain treatment should not be used because it could cause harm.

例句

Sofie's allergy to penicillin was a contraindication for the new antibiotic.

collocation: contraindication for + treatment name

The doctor checked Daniel's chart for any contraindications before scheduling the surgery.

plural: check for any contraindications

同義詞
  • risk factor

    broader term; raises the chance of illness in general, not tied to a specific treatment decision

  • exclusion criterion

    used in clinical trials and research, not in everyday medical conversation

  • warning sign

    much more general; can apply to any risky situation, not only medical treatment

反義詞
  • indication

    a medical reason TO use a treatment; the direct opposite of a contraindication

文法句型

contraindication + for + noun/noun phrase

用法筆記

The preposition 'for' introduces the treatment being blocked (a contraindication for aspirin); using 'to' in this pattern is not standard English.

常見錯誤

❌The doctor found a contraindication to prescribe the drug.
✅The doctor found a contraindication for prescribing the drug.
💡Use 'for' + noun or gerund, not 'to' + infinitive.
❌Her fever was a contraindication.' (too vague — what treatment?)
✅Her fever was a contraindication for the vaccine.
💡Always name the treatment the contraindication blocks.