On the other hand, it is also said that he often produced too strong drugs by using drug materials near to powerful medicines like mercury and took them like household medicines, and therefore, he was admonished by drug specialists (by the way, mercury was used as a drug for treating syphilis, and it is surmised that he suffered from syphilis).
逆にしばしば水銀など劇薬まがいの薬剤を利用して強過ぎる薬を調合し、常備薬のように服用したため、専門家から諌言されていたとも言われる（なお、当時水銀は梅毒の治療薬に用いられていたため、家康が梅毒であったと推測できる）。