Concentrations of 10 ppm can be endured for only a few minutes and cause profuse lacrimation in all people. 10ppm的浓度，只需几分钟，就会使所有的人流泪不止。
Bronchial carcinoid tumors may be manifested by severe and prolonged flushing episodes, facial and periorbital edema, excessive lacrimation, salivation, tachycardia, and hypotension. 支气管类癌综合征可以表现为严重的长时间的潮红、面部和眶周水肿、过度流泪、心动过速或低血压。
His left limbs, face is numb, left eye lacrimation, fatigue, difficulty ambulating without significant causes. No weight loss, no change of appetite. Poor sleep pattern. No lymadenopathy. 左侧肢体脸部、嘴角麻木，左眼流泪、乏力，行走困难，无明显诱因。体重未减，饮食正常，睡眠较差，无淋巴结肿大。
