Bronchorrhea is the production of more than 100 mL per day of watery sputum. ^[1] Chronic bronchitis is a common cause, but it may also be caused by asthma, ^[2] pulmonary contusion, ^[3] bronchiectasis, tuberculosis, cancer, scorpion stings, severe hypothermia and poisoning by organophosphates and other poisons. Massive bronchorrhea may occur in either bronchioloalveolar carcinoma, or in metastatic cancer that is growing in a bronchioloalveolar pattern. ^{[1] [4] [5]} It commonly occurs in the setting of chest wall trauma, in which setting it can cause lobar atelectasis. ^[6]

Diagnosis

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Treatment

Treatment options for bronchorrhea vary depending on the inciting cause; they include:

• gefitinib - epidermal growth factor receptor tyrosine kinase inhibitor ^{[7] [8] [9] [10] [11]}
• indomethacin ^{[12] [13] [14]}
• corticosteroids ^[15]
• octreotide ^[16]
• radiation therapy ^[17]
• bronchoscopy as is often done in the post traumatic setting. ^[6]

References