contraindicate
🇺🇸
/ˌkɑːntrəˈɪndɪkeɪt/
🇬🇧
/ˌkɒntrəˈɪndɪkeɪt/
To show that something should not be done or used, especially for medical reasons.
The doctor said that taking this medicine is contraindicated for people with allergies, so we shouldn't use it.