What are some good home remedies for treating children's diarrhea?

Patient's question:

What are the secrets to treating children's diarrhea?

Doctor's answer:

Syndrome differentiation and treatment
Spleen and stomach deficiency is often characterized by persistent diarrhea, loose and odorless stools, undigested food in the stool, diarrhea after eating, poor appetite, sallow complexion, fatigue, and lack of energy. Treatment can include 10 grams of Astragalus, 12 grams of Poria, 12 grams of Chinese Yam, 10 grams of roasted Coix Seed, 10 grams of Terminalia Chebula, and 10 grams of roasted Hawthorn, decocted into a tea, taken once daily.
Spleen and kidney yang deficiency is often characterized by persistent diarrhea, watery stools, cold limbs, pale complexion, and weak spirit. Treatment can include 3 grams of prepared ginger, 3 grams of prepared Aconite, 10 grams of Terminalia Chebula, 10 grams of roasted White Atractylodes, and 12 grams of Chinese Yam, decocted into a tea, taken once daily.
Single herbs, effective formulas, and Chinese patent medicines
Fuzi Lizhong Pills are used for persistent diarrhea due to spleen and kidney yang deficiency.
Sannin Bai Zhu Powder is used for persistent diarrhea due to spleen deficiency.
Roasted Hawthorn, Chicken Gizzard, and Roasted Chinese Yam are mixed in a 1:1:2 ratio, ground into a fine powder, and taken 2 grams at a time, three times daily, for persistent diarrhea due to spleen deficiency.
Topical application of Chinese medicine:
Clove (1 part) and Cinnamon Bark (2 parts) are ground into a fine powder. Take 3 grams at a time, mixed with vinegar to form a paste, applied to the navel, wrapped with gauze, and secured with a bandage, used once nightly.
Intramuscular injection of medication:
Astragalus Injection (1 mL) is injected into both ST36 (Zusanli) points once daily for 7 days. Suitable for diarrhea due to spleen deficiency.
Massage
The most common technique is Wrist-Back Rubbing (Nie Ji). Starting from the sacral region, the massage is performed up to the neck. Using both thumbs and index fingers, the skin is gently lifted and pulled upward, while the thumbs move toward the index fingers, pushing evenly to the neck. Each session lasts 15 minutes and is performed once daily. Due to children's delicate skin, massage can be lubricated with ginger juice, garlic juice, or wintergreen oil.