contraindicate

/ˌkɒntrəˈɪndɪkeɪt/ (bre, ipa) · /ˌkɑːntrəˈɪndɪkeɪt/ (ame, ipa) · /ˌkän-trə-ˈin-də-ˌkāt/ (ame, mw)

contraindicate — verb

  • contraindicatepresent simple I / you / we / they
  • contraindicateshe / she / it
  • contraindicatedpast simple
  • contraindicating-ing form

1. to show that a drug, treatment, or procedure is not safe for a patient because o

1.動詞及物C2
釋義

to show that a drug, treatment, or procedure is not safe for a patient because of another illness, allergy, or condition

例句

Nora's severe penicillin allergy contraindicated the antibiotic her dentist had planned to prescribe.

active: condition + contraindicate + drug

The standard chemotherapy drug was contraindicated because of Gabriel's liver failure.

passive: treatment + be contraindicated + because of condition

同義詞
  • advise against

    broader and less technical; can be used outside medicine

  • rule out

    focuses on removing an option from consideration, not specifically on medical unsuitability

  • preclude

    formal and wider in meaning; often used beyond health contexts

文法句型

condition + contraindicate + drug/treatment

drug/treatment + be contraindicated + in/for + situation/group

用法筆記

Often appears in passive form in medical notes and warning labels, especially with 'for' or 'in'. In active clauses, the subject is usually a disease, allergy, test result, or patient state that makes the treatment unsafe.

常見錯誤

❌The doctor contraindicated me to take ibuprofen.
✅The doctor said ibuprofen was contraindicated for me.
💡'contraindicate' usually describes the drug or condition, and it does not take a to-infinitive.
❌This cream is contraindicated with children under two.
✅This cream is contraindicated for children under two.
💡use 'for' to name the people who should not use it.