然而，有些草药的药用价值是很低的，甚至有一些如果和其他药或者非处方药一起用的话会有危险。
However, some herbal preparations sold are pretty worthless and others can be dangerous in certain conditions or mixed with prescription or OTC medications.
因为扎那米韦是吸入的药物，身体系统吸收的较少，所有如果对孕妇药用可行的话一些专家更倾向于扎那米韦。
Because zanamivir is an inhaled medication and has less systemic absorption, some experts prefer zanamivir over oseltamivir for use in pregnant women when feasible.
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