contraindicated
adjective medical specialized uk/ˌkɒn.trəˈɪn.dɪ.keɪ.tɪd/ us/ˌkɑːn.trəˈɪn.dəˌkeɪ.t̬ɪd/
（对某种药物或疗法的）禁忌的
used to say that a drug or treatment should not be used in a particular situation as it is likely to harm the patient
Most X-rays are contraindicated in pregnancy. 在怀孕期间大部分X光照射都是禁忌的。