For children, the use of herbal medicinal drugs for treatment of acute respiratory diseases is widespread. After many decades or centuries of experience they are assumed to be safe, but the scientific proof is still rather weak for most of them. The few studies performed so far, are often not available, as they are usually not published in peer-reviewed journals. The postmarketing surveys and observational studies of recent years, which are presented in the following article, however, do not reveal any new unknown risk.