Can children drink water infused with Astragalus (Huang Qi)?
Generally speaking, children can drink water infused with Huang Qi (Astragalus), but it should be done under the guidance of a physician and in appropriate amounts. Detailed explanations are as follows:

Huang Qi is slightly warm in nature, sweet in taste, and enters the lung, spleen, liver, and kidney meridians. It functions to strengthen the middle jiao and replenish vital energy (Qi). If a child presents with symptoms such as Qi deficiency and fatigue, night sweats, or general weakness, or suffers from chronic physical weakness with night sweats, or Qi-deficiency diarrhea, an appropriate amount of Huang Qi water may be added to the child's regimen. Huang Qi can effectively alleviate these symptoms and help the child regain strength.
However, for children with special constitutions or specific diseases, such as excessive internal damp-heat, fever, or the early stages of a cold, drinking Huang Qi-infused water is not recommended, as it may exacerbate internal damp-heat or interfere with the treatment of the illness. Before giving Huang Qi water to a child, it is advisable to consult a qualified traditional Chinese medicine practitioner to determine whether it is suitable based on the child's specific condition and to establish an appropriate dosage.
In daily life, it is also recommended to ensure children get sufficient sleep and engage in moderate physical activity, both of which contribute to maintaining good health.