Orange juice can be consumed for coughing, but it should be consumed sparingly when the cough is intense, as high sugar levels can aggravate cough symptoms. Cough patients may have gastrointestinal symptoms, such as nausea and vomiting, so it is not recommended to consume foods that aggravate gastrointestinal symptoms, such as eggs and milk. Cough patients with febrile symptoms are at risk of inducing hypokalemia due to heavy urination and excessive sweating. Clinically, it is recommended to use foods or fruits rich in potassium, such as bananas, oranges, tangerines, etc. Clinically, cough patients are not recommended to use foods high in sugar, salt and grease, which can lead to aggravation of cough symptoms.