This is a symptom with regurgitation of undigested food retained in the stomach for a longer time. For example, breakfast food may be regurgitated in the evening.

Recipe 1: Sugarcane juice 700 ml and fresh ginger juice 100 ml.
Administration: The mixed juice of sugarcane and ginger is drunk 3 times per day.
Indication: The mixed juice can be used to treat repeated regurgitation of breakfast food by mouthfuls in the evening or regurgitation of supper food by mouthfuls in the morning.

Recipe 2: An adequate amount of apple peel.
Administration: A decoction of apple peel may be constantly drunk.
Indication: Apple peel contains vitamin C and many nutrients, and can be used to treat regurgitation.

Recipe 3: An adequate amount of radish and a small amount of honey.
Administration: The radish is pounded and fried with the honey for oral intake after careful chewing.
Indication: Radish can transport Qi downward, adjust the stomach and resolve phlegm to treat regurgitation.
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Source: http://www.tcmadvisory.com/