One reason: The drugs she was taking made her so sick she would vomit them back up that basically she was being undermedicated, according to Dr. Seaworth, who treated her.
WSJ: TB's Global Resurgence Amplifies U.S. Risk
undermedicated:
under- +? medicated
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。