A case of severe pneumonitis with alveolar hemorrhage associated with herbal medicines.

We report a case of pneumonitis with alveolar hemorrhage induced by herbal medicines. A 73-year-old female was admitted to our hospital due to dyspnea and the presence of an abnormal shadow on the chest roentgenogram. She had received treatment with numerous drugs, including the following herbal medicines: Seisin-renshi-in, Chotosan, Rikkunshi-to, and Shakuyakukannzo-to. Chest radiography revealed diffuse ground-glass shadows in both lungs. The bronchoalveolar lavage fluid was progressively bloody. In addition, culture did not show the presence of microorganisms in the fluid. Moreover, there were no findings suggestive of rheumatic disease or vasculitides. Based on this evidence, we suspected drug-induced diffuse alveolar hemorrhage. She discontinued the use of all previous agents, and received treatment with corticosteroids. Her respiratory condition and the chest roentgenogram improved. According to the timing of administration and rechallenge with other drugs, the herbal medicines were suspected to be the causative drugs. Among those, Seisin-renshi-in was the most suspicious. Firstly, Seisin-renshi-in contains Ougon (skullcap), which is known to cause pneumonitis. Secondly, a drug lymphocyte stimulation test was positive for Seisin-renshi-in. This is the first report indicating that Seisin-renshi-in may cause diffuse alveolar hemorrhage. Diffuse alveolar hemorrhage due to herbal medicines is a rare but emergent disorder. Therefore, treating physicians should be aware that ...
Source: Journal of Nippon Medical School - Category: Universities & Medical Training Authors: Tags: J Nippon Med Sch Source Type: research

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