Can diabetics take 999 Cold and Flu Relief Granules orally?

Patient's question:

Cold

Doctor's answer:

Diseases characterized by external pathogen invasion, primarily manifesting as fever with chills, headache and body pain, nasal congestion with runny nose, throat irritation, and cough.
Advice: It is best not to take this.
500 grams of cabbage hearts, chopped into fine pieces; 120 grams of white radish, sliced into thin pieces. Add 800 milliliters of water and cook until it reduces to 400 milliliters. Then add an appropriate amount of brown sugar. Take 200 milliliters each time, twice a day.